/* ══════════════════════════════════════════
   LAYOUT
══════════════════════════════════════════ */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ══════════════════════════════════════════
   HEADER
══════════════════════════════════════════ */
.app-header {
    background: linear-gradient(135deg, var(--bg-input) 0%, #23253a 100%);
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(var(--rgb-purple), 0.15);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: opacity var(--transition-fast);
}
.logo-link:hover { opacity: 0.8; transform: none; }

.flame-icon {
    font-size: 1.5rem;
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 6px rgba(var(--rgb-orange), 0.35));
    animation: floaty 3.6s ease-in-out infinite;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.logo-link:hover .flame-icon {
    transform: scale(1.18) rotate(-8deg);
    filter: drop-shadow(0 0 12px rgba(var(--rgb-orange), 0.6));
}

.app-title {
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--gradient-title);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    letter-spacing: -0.3px;
}

/* ── Widget de previsão do tempo (topo à direita) ─────────────── */
.weather-widget {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(var(--rgb-cyan), 0.08);
    border: 1px solid rgba(var(--rgb-cyan), 0.18);
    color: var(--text-primary, #f8f8f2);
    cursor: default;
    user-select: none;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}
.weather-widget:hover {
    background: rgba(var(--rgb-cyan), 0.14);
    border-color: rgba(var(--rgb-cyan), 0.35);
}
.weather-widget .weather-icon {
    font-size: 1.25rem;
    color: var(--cyan, #8BE9FD);
    line-height: 1;
}
.weather-widget .weather-info {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}
.weather-widget .weather-temp {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}
.weather-widget .weather-city {
    font-size: 0.7rem;
    color: var(--text-secondary, #bdbdd0);
    max-width: 9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 600px) {
    .weather-widget { padding: 0.3rem 0.55rem; gap: 0.45rem; }
    .weather-widget .weather-city { display: none; }
    .weather-widget .weather-icon { font-size: 1.1rem; }
}

/* ── Shell com iframe (a casca permanece entre as páginas) ─ */
.shell-body {
    margin: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.shell-frame {
    flex: 1 1 auto;
    width: 100%;
    border: 0;
    display: block;
    background: var(--bg-primary, #282A36);
}
.shell-content {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
}
/* Página carregada dentro do iframe: some com o header/navbar próprios,
   pois a casca (shell) já os exibe de forma persistente no topo. */
html.fb-framed .app-header,
html.fb-framed .tab-navigation:not(.calc-subnav) { display: none !important; }

html.fb-framed .calc-subnav { top: 0; }

/* ── Agrupador dos widgets do topo (direita) ──────────────────── */
.header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

/* ══════════════════════════════════════════
   TAB NAVIGATION
══════════════════════════════════════════ */
.tab-navigation {
    background: rgba(var(--rgb-bg-input), 0.98);
    border-bottom: 1px solid rgba(var(--rgb-bg-secondary), 0.45);
    position: sticky;
    top: 53px;
    z-index: 90;
    backdrop-filter: blur(8px);
}

.tab-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
    overflow-x: auto;
    padding: 0 1.25rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: 0.1rem;
}
.tab-container::-webkit-scrollbar { display: none; }

.tab-button {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--fg-secondary);
    padding: 0.75rem 0.9rem;
    cursor: pointer;
    transition: color 0.15s, background 0.15s, border-color 0.15s;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 500;
    border-radius: 0;
    margin-bottom: -1px;
    position: relative;
    flex-shrink: 0;
}
.tab-button:hover {
    background: rgba(var(--rgb-overlay), 0.04);
    color: var(--fg-primary);
}
.tab-button.active {
    color: var(--accent-purple);
    border-bottom-color: var(--accent-purple);
    font-weight: 600;
    background: rgba(var(--rgb-purple), 0.06);
}
.tab-button i {
    font-size: 0.82rem;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.tab-button:hover i { transform: translateY(-1px) scale(1.15); }
a.tab-button { text-decoration: none; }

/* Separador vertical */
.tab-sep {
    width: 1px;
    background: rgba(var(--rgb-comment), 0.3);
    margin: 0.6rem 0.25rem;
    align-self: stretch;
    flex-shrink: 0;
}

/* Ferramentas (Home, PDF Tools, Normas…) */
.tab-button.tab-page:hover {
    border-bottom-color: rgba(var(--rgb-cyan), 0.4);
    color: var(--accent-cyan);
}
.tab-button.tab-page.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
    background: rgba(var(--rgb-cyan), 0.05);
    font-weight: 600;
}

/* Projetos — destaque laranja */
.tab-button.tab-projetos:hover {
    border-bottom-color: rgba(var(--rgb-orange), 0.4);
    color: var(--accent-orange);
}
.tab-button.tab-projetos.active {
    color: var(--accent-orange);
    border-bottom-color: var(--accent-orange);
    background: rgba(var(--rgb-orange), 0.06);
    font-weight: 600;
}

/* ── Dropdown de Calculadoras ──────────────────────────────── */
.tab-dropdown {
    position: relative;
    display: flex;
    align-items: stretch;
    flex-shrink: 0;
}
.tab-dd-arrow {
    font-size: 0.58rem !important;
    margin-left: 0.15rem;
    transition: transform 0.2s;
    opacity: 0.6;
}

/* Menu movido para <body> via JS — usa position:fixed para escapar do overflow */
.tab-dd-menu {
    position: fixed;
    background: #1a1b28;
    border: 1px solid rgba(var(--rgb-bg-secondary), 0.7);
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
    min-width: 220px;
    display: flex;
    flex-direction: column;
    z-index: 9999;
    padding: 0.35rem 0;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px) scale(0.97);
    transform-origin: top left;
    transition: opacity 0.16s ease, visibility 0.16s,
                transform 0.24s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
}
.tab-dd-menu.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.tab-dd-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.52rem 1rem;
    color: var(--fg-secondary);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-8px);
    transition: background 0.12s, color 0.12s, padding-left 0.15s ease,
                opacity 0.22s ease, transform 0.22s ease;
}
.tab-dd-menu.open .tab-dd-item {
    opacity: 1;
    transform: translateX(0);
}
/* Entrada em cascata dos itens do dropdown */
.tab-dd-menu.open .tab-dd-item:nth-child(1)  { transition-delay: 0.02s; }
.tab-dd-menu.open .tab-dd-item:nth-child(2)  { transition-delay: 0.05s; }
.tab-dd-menu.open .tab-dd-item:nth-child(3)  { transition-delay: 0.08s; }
.tab-dd-menu.open .tab-dd-item:nth-child(4)  { transition-delay: 0.11s; }
.tab-dd-menu.open .tab-dd-item:nth-child(n+5)  { transition-delay: 0.14s; }
.tab-dd-menu.open .tab-dd-item:nth-child(n+8)  { transition-delay: 0.18s; }
.tab-dd-menu.open .tab-dd-item:nth-child(n+11) { transition-delay: 0.22s; }
.tab-dd-item:hover {
    background: rgba(var(--rgb-purple), 0.1);
    color: var(--accent-purple);
    padding-left: 1.15rem;
}
.tab-dd-item i {
    font-size: 0.78rem;
    width: 15px;
    text-align: center;
    color: var(--accent-purple);
    opacity: 0.65;
    flex-shrink: 0;
}
.tab-dd-item:hover i { opacity: 1; }

/* Linha divisória entre grupos do dropdown */
.tab-dd-divider {
    height: 1px;
    background: rgba(var(--rgb-bg-secondary), 0.4);
    margin: 0.3rem 0;
}

/* Sub-nav interna da página de calculadoras — fica logo abaixo do navbar compartilhado */
.calc-subnav {
    top: 98px; /* 53px header + ~45px tab-navigation */
    z-index: 80;
}

.calc-project-panel {
    margin: 0 0 1.25rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    background: var(--bg-card);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.calc-project-panel[hidden] { display: none; }
.calc-project-copy {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    flex: 1;
    min-width: 240px;
}
.calc-project-copy > i {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    background: rgba(var(--rgb-cyan), 0.1);
    flex-shrink: 0;
}
.calc-project-copy strong {
    display: block;
    color: var(--fg-primary);
    font-size: 0.86rem;
    line-height: 1.2;
}
.calc-project-copy span,
.calc-project-status {
    color: var(--fg-secondary);
    font-size: 0.76rem;
    line-height: 1.35;
}
.calc-project-select-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 240px;
}
.calc-project-select-wrap span {
    color: var(--fg-secondary);
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.calc-project-select-wrap select {
    min-height: 36px;
}

.calc-save-box {
    border-top: 1px solid var(--border-subtle);
    background: rgba(var(--rgb-bg), 0.56);
    padding: 0.9rem 1rem;
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
    gap: 0.75rem;
    align-items: end;
}
.calc-save-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.calc-save-field label {
    color: var(--fg-secondary);
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.calc-save-field input,
.calc-save-field select {
    min-height: 36px;
    width: 100%;
}
.calc-save-status {
    grid-column: 1 / -1;
    min-height: 1rem;
    color: var(--fg-secondary);
    font-size: 0.74rem;
}

@media (max-width: 760px) {
    .calc-project-panel {
        margin: 0 0 1rem;
    }
    .calc-save-box {
        grid-template-columns: 1fr;
    }
}

/* ══════════════════════════════════════════
   TAB CONTENT
══════════════════════════════════════════ */
.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(8px);
}
.tab-content.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.25s ease-out forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════
   MAIN CONTENT
══════════════════════════════════════════ */
.main-content {
    flex: 1;
    padding: 2rem 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* ══════════════════════════════════════════
   TOOL PAGE CHROME
   Cabeçalho compartilhado das calculadoras e
   enquadramentos. Cada página mantém classes
   próprias; o visual vem daqui.
══════════════════════════════════════════ */
.battery-page,
.hydrant-page,
.nozzle-page,
.egress-page,
.enq-page,
.ca-page,
.it25-page,
.tempo-page {
    max-width: 1400px;
}

.tool-hero,
.battery-hero,
.hydrant-hero,
.nozzle-hero,
.enq-hero,
.ca-hero,
.it25-hero,
.egress-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
    gap: 1rem;
    align-items: stretch;
    margin: 0 0 1.25rem;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    box-shadow: none;
    overflow: visible;
}

.tool-hero--solo,
.egress-head {
    grid-template-columns: 1fr;
}

.tool-hero > *,
.battery-hero > *,
.hydrant-hero > *,
.nozzle-hero > *,
.enq-hero > *,
.ca-hero > *,
.it25-hero > *,
.egress-head > div:first-child {
    position: relative;
    overflow: hidden;
    padding: 1.35rem 1.5rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    background: var(--bg-card);
    box-shadow: var(--shadow-card);
}

.tool-hero > *::before,
.battery-hero > *::before,
.hydrant-hero > *::before,
.nozzle-hero > *::before,
.enq-hero > *::before,
.ca-hero > *::before,
.it25-hero > *::before,
.egress-head > div:first-child::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.8;
}

.tool-kicker,
.battery-kicker,
.hydrant-kicker,
.nozzle-kicker,
.enq-kicker,
.ca-kicker,
.it25-kicker,
.egress-kicker {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0 0 0.4rem;
    color: var(--accent-cyan);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.tool-hero h1,
.battery-hero h1,
.hydrant-hero h1,
.nozzle-hero h1,
.enq-hero h1,
.ca-hero h1,
.it25-hero h1,
.egress-head h1 {
    margin: 0 0 0.5rem;
    color: var(--fg-primary);
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.tool-hero p:not(.tool-kicker):not(.battery-kicker):not(.hydrant-kicker):not(.nozzle-kicker):not(.enq-kicker):not(.ca-kicker):not(.it25-kicker):not(.egress-kicker),
.battery-hero p:not(.battery-kicker),
.hydrant-hero p:not(.hydrant-kicker),
.nozzle-hero p:not(.nozzle-kicker),
.enq-hero > div:first-child > p:last-of-type,
.ca-hero-copy > p:not(.ca-kicker),
.it25-hero-copy > p:not(.it25-kicker) {
    max-width: 760px;
    margin: 0;
    color: var(--fg-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
}

.hydrant-source,
.enq-hero-note,
.ca-source,
.it25-source {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
}

.hydrant-source > i,
.enq-hero-note > i,
.ca-source > i,
.it25-source > i {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    flex: 0 0 44px;
    border-radius: 10px;
    color: var(--accent-cyan);
    background: rgba(var(--rgb-cyan), 0.1);
    font-size: 1.15rem;
}

.hydrant-source span,
.hydrant-source small,
.enq-hero-note span,
.ca-source span,
.ca-source small,
.it25-source span,
.it25-source small {
    display: block;
    color: var(--fg-secondary);
    font-size: 0.72rem;
}

.hydrant-source strong,
.enq-hero-note strong,
.ca-source strong,
.it25-source strong {
    display: block;
    margin: 0.12rem 0 0.25rem;
    color: var(--fg-primary);
    font-size: 0.92rem;
}

.battery-formula,
.nozzle-formula-box {
    display: grid;
    gap: 0.45rem;
    align-content: center;
}

.battery-formula span,
.nozzle-formula-box span {
    color: var(--fg-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.battery-formula strong,
.nozzle-formula-box strong {
    color: var(--accent-cyan);
    font-size: 1rem;
    font-weight: 700;
    font-family: "Fira Code", Consolas, ui-monospace, monospace;
}

.nozzle-formula-box small {
    color: var(--fg-secondary);
    font-size: 0.78rem;
    line-height: 1.45;
}

.egress-head .egress-actions {
    margin-top: 1rem;
}

@media (max-width: 900px) {
    .tool-hero,
    .battery-hero,
    .hydrant-hero,
    .nozzle-hero,
    .enq-hero,
    .ca-hero,
    .it25-hero,
    .egress-head {
        grid-template-columns: 1fr;
    }

    .tool-hero h1,
    .battery-hero h1,
    .hydrant-hero h1,
    .nozzle-hero h1,
    .enq-hero h1,
    .ca-hero h1,
    .it25-hero h1,
    .egress-head h1 {
        font-size: 1.45rem;
    }
}

/* ══════════════════════════════════════════
   CARDS
══════════════════════════════════════════ */
.card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
    border-color: rgba(var(--rgb-purple), 0.22);
    box-shadow: 0 10px 36px rgba(0, 0, 0, 0.38),
                0 0 28px rgba(var(--rgb-purple), 0.05);
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.8;
}

.card-header {
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-subtle);
}
.card-title {
    color: var(--fg-primary);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.625rem;
}
.card-title i { color: var(--accent-purple); }
.card-description {
    color: var(--fg-secondary);
    margin: 0.5rem 0 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ══════════════════════════════════════════
   CALCULATION SELECTOR (select above forms)
══════════════════════════════════════════ */
.calculation-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
    padding: 0.875rem 1.125rem;
    background: var(--bg-input);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.calculation-selector label {
    color: var(--fg-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}
.calculation-selector select {
    flex: 1;
    border: none;
    background: var(--bg-input);
    color: var(--fg-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    box-shadow: none;
    border-radius: 6px;
}
.calculation-selector select:focus {
    box-shadow: none;
    outline: none;
}

/* ══════════════════════════════════════════
   FORMS
══════════════════════════════════════════ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    align-items: start;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 0;
}
.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--fg-secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 0.6875rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--fg-primary);
    font-size: 0.9375rem;
    transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}
.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236272a4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}
.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent-purple);
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--rgb-purple), 0.14);
}
.form-group input::placeholder { color: rgba(var(--rgb-comment), 0.5); }

.form-group.error input,
.form-group.error select {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(var(--rgb-red), 0.1);
}
.form-group.success input,
.form-group.success select {
    border-color: rgba(var(--rgb-green), 0.5);
}
.form-validation {
    font-size: 0.75rem;
    color: var(--accent-red);
    margin-top: 0.2rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
    grid-column: 1 / -1;
}

/* Point groups (curva de operacao) */
.point-group {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}
.point-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.75rem;
    align-items: end;
}

/* ══════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════ */
.btn {
    padding: 0.65rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    transition: all var(--transition-smooth);
    border: none;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.2px;
    line-height: 1.4;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.22);
    transform: scale(0);
    animation: ripple-animation 0.55s linear;
    pointer-events: none;
}
@keyframes ripple-animation {
    to { transform: scale(4); opacity: 0; }
}

.btn:active { transform: translateY(1px) !important; }
.btn:focus  { outline: none; }
.btn:focus-visible { outline: 2px solid var(--accent-cyan, #8be9fd); outline-offset: 2px; }

/* ── Botão de cálculo — tema fogo ─────────────────────────────────── */
.btn-primary {
    background: linear-gradient(135deg, #e0631f 0%, #d63a3a 100%);
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
    box-shadow: 0 2px 16px rgba(var(--rgb-red), 0.4),
                inset 0 1px 0 rgba(var(--rgb-overlay), 0.15);
}

/* Shimmer deslizante — simula calor */
.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(
        105deg,
        transparent 30%,
        rgba(255, 255, 255, 0.18) 50%,
        transparent 70%
    );
    background-size: 220% 100%;
    animation: btn-fire-shimmer 2.8s ease-in-out infinite;
    pointer-events: none;
}
@keyframes btn-fire-shimmer {
    0%   { background-position: -220% center; }
    100% { background-position:  220% center; }
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ec7326 0%, #e23f3f 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(var(--rgb-red), 0.6),
                0 0 0 2px rgba(255, 140, 66, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
    filter: brightness(1.05);
}
.btn-primary:active,
.btn-primary:focus:not(:focus-visible) {
    box-shadow: 0 2px 10px rgba(var(--rgb-red), 0.45);
    outline: none;
}

/* ── Partículas de chama ──────────────────────────────────────────── */
.flame-particle {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    line-height: 1;
    user-select: none;
    animation: flame-rise var(--fdur, 0.9s) var(--fdelay, 0s) ease-out both;
    will-change: transform, opacity;
}
@keyframes flame-rise {
    0%   { opacity: 1;   transform: translateY(0px)   translateX(var(--fdx,  0px)) scale(1);    }
    35%  { opacity: 0.9; transform: translateY(-22px)  translateX(var(--fdx2, 0px)) scale(0.88); }
    100% { opacity: 0;   transform: translateY(-75px)  translateX(var(--fdx3, 0px)) scale(0.25); }
}

.btn-secondary {
    background: transparent;
    color: var(--fg-secondary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--fg-primary);
    border-color: var(--fg-secondary);
    transform: translateY(-1px);
}
.btn-secondary:active,
.btn-secondary:focus:not(:focus-visible) {
    transform: translateY(0);
    outline: none;
}

.btn-success {
    background: var(--gradient-accent);
    color: var(--bg-input);
    box-shadow: 0 2px 12px rgba(var(--rgb-green), 0.2);
}
.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: var(--glow-green);
    filter: brightness(1.06);
}
.btn-success:active,
.btn-success:focus {
    transform: translateY(0);
    outline: none;
}

.fireblock-dialog {
    align-items: center;
    background: rgba(5, 7, 12, 0.58);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    display: flex;
    inset: 0;
    justify-content: center;
    opacity: 0;
    padding: 1rem;
    pointer-events: none;
    position: fixed;
    transition: opacity 0.18s ease, visibility 0.18s ease;
    visibility: hidden;
    z-index: 10020;
}

.fireblock-dialog.show {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

.fireblock-dialog-card {
    align-items: center;
    background:
        linear-gradient(180deg, rgba(var(--rgb-overlay), 0.08), rgba(var(--rgb-overlay), 0.025)),
        rgba(24, 27, 36, 0.92);
    border: 1px solid rgba(235, 250, 255, 0.16);
    border-radius: 8px;
    box-shadow:
        inset 0 1px 0 rgba(var(--rgb-overlay), 0.12),
        0 24px 70px rgba(0, 0, 0, 0.48);
    display: grid;
    gap: 1rem;
    grid-template-columns: 42px minmax(0, 1fr);
    max-width: 430px;
    padding: 1.15rem;
    transform: translateY(8px) scale(0.98);
    transition: transform 0.18s ease;
    width: min(430px, 100%);
}

.fireblock-dialog.show .fireblock-dialog-card {
    transform: translateY(0) scale(1);
}

.fireblock-dialog-icon {
    align-items: center;
    background: rgba(var(--rgb-cyan), 0.1);
    border: 1px solid rgba(var(--rgb-cyan), 0.25);
    border-radius: 8px;
    color: var(--accent-cyan);
    display: flex;
    height: 42px;
    justify-content: center;
    width: 42px;
}

.fireblock-dialog.is-danger .fireblock-dialog-icon {
    background: rgba(var(--rgb-red), 0.12);
    border-color: rgba(255, 132, 132, 0.26);
    color: #ffb0b0;
}

.fireblock-dialog-copy h2 {
    color: var(--fg-primary);
    font-size: 1rem;
    line-height: 1.25;
    margin: 0 0 0.25rem;
}

.fireblock-dialog-copy p {
    color: var(--fg-secondary);
    font-size: 0.84rem;
    line-height: 1.4;
    margin: 0;
    white-space: pre-line;
}

.fireblock-dialog-actions {
    display: flex;
    gap: 0.55rem;
    grid-column: 1 / -1;
    justify-content: flex-end;
}

.fireblock-dialog-btn {
    border-radius: 8px;
    font-size: 0.86rem;
    font-weight: 700;
    min-height: 38px;
    padding: 0 1rem;
}

.fireblock-dialog-cancel {
    background: rgba(var(--rgb-bg-secondary), 0.36);
    border: 1px solid rgba(var(--rgb-comment), 0.38);
    color: var(--fg-primary);
}

.fireblock-dialog-confirm {
    background: linear-gradient(135deg, rgba(var(--rgb-cyan), 0.82), rgba(var(--rgb-green), 0.75));
    border: 1px solid rgba(190, 250, 255, 0.36);
    color: #111820;
}

.fireblock-dialog.is-danger .fireblock-dialog-confirm {
    background: linear-gradient(135deg, rgba(255, 120, 120, 0.88), rgba(var(--rgb-red), 0.95));
    border-color: rgba(255, 176, 176, 0.42);
    color: #fff;
}

.fireblock-dialog-btn:focus-visible {
    outline: 2px solid rgba(var(--rgb-cyan), 0.72);
    outline-offset: 2px;
}

@media not all {
/* Liquid Glass global controls */
:root {
    --liquid-fill:
        linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(var(--rgb-overlay), 0.055) 42%, rgba(var(--rgb-overlay), 0.02)),
        radial-gradient(circle at 22% 8%, rgba(255, 255, 255, 0.58), transparent 22%),
        radial-gradient(circle at 82% 92%, rgba(var(--rgb-cyan), 0.13), transparent 40%),
        rgba(var(--rgb-overlay), 0.055);
    --liquid-fill-hover:
        linear-gradient(180deg, rgba(255, 255, 255, 0.27), rgba(var(--rgb-overlay), 0.075) 44%, rgba(var(--rgb-overlay), 0.025)),
        radial-gradient(circle at 22% 8%, rgba(255, 255, 255, 0.7), transparent 24%),
        radial-gradient(circle at 82% 92%, rgba(var(--rgb-cyan), 0.18), transparent 42%),
        rgba(var(--rgb-overlay), 0.075);
    --liquid-edge:
        conic-gradient(from 210deg,
            rgba(255, 255, 255, 0.95),
            rgba(var(--rgb-cyan), 0.45) 16%,
            rgba(255, 255, 255, 0.2) 32%,
            rgba(var(--rgb-comment), 0.2) 50%,
            rgba(255, 255, 255, 0.7) 70%,
            rgba(255, 255, 255, 0.98));
    --liquid-edge-warm:
        conic-gradient(from 210deg,
            rgba(255, 255, 255, 1),
            rgba(255, 224, 184, 0.72) 18%,
            rgba(255, 255, 255, 0.22) 36%,
            rgba(var(--rgb-orange), 0.22) 54%,
            rgba(255, 255, 255, 0.84) 74%,
            rgba(255, 255, 255, 1));
    --liquid-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.58),
        inset 0 -1px 1px rgba(var(--rgb-overlay), 0.12),
        inset 0 -16px 28px rgba(var(--rgb-overlay), 0.035),
        0 12px 30px rgba(0, 0, 0, 0.22);
}

.btn,
.tab-button,
.btn-nav,
.btn-step-reset,
.btn-add-card,
.btn-detalhe-link,
.btn-traduzir,
.icon-button,
.tool-button,
.panel-toggle,
button:not(.tag-chip button):not(.sidebar-tag-chip button):not(.feature-card) {
    -webkit-backdrop-filter: blur(28px) saturate(190%) contrast(108%) !important;
    backdrop-filter: blur(28px) saturate(190%) contrast(108%) !important;
    background: var(--liquid-fill) !important;
    border: 1px solid transparent !important;
    border-radius: 12px !important;
    box-shadow: var(--liquid-shadow) !important;
    color: var(--fg-primary);
    isolation: isolate;
    overflow: hidden;
    position: relative;
    text-shadow: none !important;
    transition:
        transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1),
        background 0.18s ease,
        box-shadow 0.18s ease,
        color 0.18s ease !important;
}

.btn::before,
.tab-button::before,
.btn-nav::before,
.btn-step-reset::before,
.btn-add-card::before,
.btn-detalhe-link::before,
.btn-traduzir::before,
.icon-button::before,
.tool-button::before,
.panel-toggle::before,
button:not(.tag-chip button):not(.sidebar-tag-chip button):not(.feature-card)::before {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.18) 38%, transparent 62%) !important;
    border-radius: inherit;
    clip-path: polygon(4% 4%, 96% 4%, 82% 38%, 18% 48%);
    content: '' !important;
    inset: 1px !important;
    opacity: 0.74;
    pointer-events: none;
    position: absolute !important;
    z-index: 0;
}

.btn::after,
.tab-button::after,
.btn-nav::after,
.btn-step-reset::after,
.btn-add-card::after,
.btn-detalhe-link::after,
.btn-traduzir::after,
.icon-button::after,
.tool-button::after,
.panel-toggle::after,
button:not(.tag-chip button):not(.sidebar-tag-chip button):not(.feature-card)::after {
    background: var(--liquid-edge) !important;
    border-radius: inherit;
    box-shadow: none !important;
    content: '' !important;
    inset: 0 !important;
    opacity: 0.95;
    padding: 1.2px;
    pointer-events: none;
    position: absolute !important;
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    mask-composite: exclude;
    z-index: 1;
}

.btn > *,
.tab-button > *,
.btn-nav > *,
.btn-step-reset > *,
.btn-add-card > *,
.btn-detalhe-link > *,
.btn-traduzir > *,
.icon-button > *,
.tool-button > *,
.panel-toggle > *,
button:not(.tag-chip button):not(.sidebar-tag-chip button):not(.feature-card) > * {
    position: relative;
    z-index: 2;
}

.btn:hover,
.tab-button:hover,
.btn-nav:hover:not(:disabled),
.btn-step-reset:hover,
.btn-add-card:hover,
.btn-detalhe-link:hover,
.btn-traduzir:hover:not(:disabled),
.icon-button:hover,
.tool-button:hover,
.panel-toggle:hover,
button:not(.tag-chip button):not(.sidebar-tag-chip button):not(.feature-card):hover {
    background: var(--liquid-fill-hover) !important;
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.68),
        inset 0 -1px 1px rgba(255, 255, 255, 0.16),
        inset 0 -16px 30px rgba(var(--rgb-overlay), 0.045),
        0 14px 34px rgba(var(--rgb-cyan), 0.13),
        0 10px 26px rgba(0, 0, 0, 0.22) !important;
    color: var(--fg-primary) !important;
    filter: none !important;
    transform: translateY(-1px) scale(1.025) !important;
}

.btn-primary,
.btn-success,
.tab-button.active,
.tool-button.active {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(var(--rgb-overlay), 0.065) 44%, rgba(var(--rgb-overlay), 0.025)),
        radial-gradient(circle at 24% 10%, rgba(255, 255, 255, 0.72), transparent 26%),
        radial-gradient(circle at 80% 90%, rgba(var(--rgb-orange), 0.28), transparent 42%),
        rgba(255, 118, 86, 0.28) !important;
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.68),
        inset 0 -1px 1px rgba(255, 255, 255, 0.18),
        inset 0 -16px 30px rgba(var(--rgb-overlay), 0.05),
        0 13px 34px rgba(var(--rgb-red), 0.23),
        0 9px 24px rgba(0, 0, 0, 0.22) !important;
    color: var(--fg-primary) !important;
}

.btn-primary::after,
.btn-success::after,
.tab-button.active::after,
.tool-button.active::after {
    background: var(--liquid-edge-warm) !important;
}

.btn:active,
.tab-button:active,
.btn-nav:active,
.btn-step-reset:active,
.btn-add-card:active,
.btn-detalhe-link:active,
.btn-traduzir:active,
.icon-button:active,
.tool-button:active,
.panel-toggle:active,
button:not(.tag-chip button):not(.sidebar-tag-chip button):not(.feature-card):active {
    transform: translateY(0) scale(0.98) !important;
}

.tag-chip button,
.sidebar-tag-chip button {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
}

/* Keep headers/navigation in the original flat style */
.tab-navigation .tab-button::before,
.tab-navigation .tab-button::after {
    content: none !important;
    display: none !important;
}

.tab-navigation .tab-button {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: transparent !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    color: var(--fg-secondary) !important;
    margin-bottom: -1px !important;
    padding: 0.75rem 0.9rem !important;
    transform: none !important;
}

.tab-navigation .tab-button:hover {
    background: rgba(var(--rgb-overlay), 0.04) !important;
    color: var(--fg-primary) !important;
    transform: none !important;
}

.tab-navigation .tab-button.active {
    background: rgba(var(--rgb-purple), 0.06) !important;
    border-bottom-color: var(--accent-purple) !important;
    color: var(--accent-purple) !important;
}

.tab-navigation .tab-button.tab-page:hover {
    border-bottom-color: rgba(var(--rgb-cyan), 0.4) !important;
    color: var(--accent-cyan) !important;
}

.tab-navigation .tab-button.tab-page.active {
    background: rgba(var(--rgb-cyan), 0.05) !important;
    border-bottom-color: var(--accent-cyan) !important;
    color: var(--accent-cyan) !important;
}

.tab-navigation .tab-button.tab-projetos:hover {
    border-bottom-color: rgba(var(--rgb-orange), 0.4) !important;
    color: var(--accent-orange) !important;
}

.tab-navigation .tab-button.tab-projetos.active {
    background: rgba(var(--rgb-orange), 0.06) !important;
    border-bottom-color: var(--accent-orange) !important;
    color: var(--accent-orange) !important;
}

nav.tab-navigation.calc-subnav button.tab-button,
nav.tab-navigation.calc-subnav button.tab-button:hover,
nav.tab-navigation.calc-subnav button.tab-button.active {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: transparent !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    margin-bottom: -1px !important;
    transform: none !important;
}

nav.tab-navigation.calc-subnav button.tab-button::before,
nav.tab-navigation.calc-subnav button.tab-button::after {
    content: none !important;
    display: none !important;
}

nav.tab-navigation.calc-subnav button.tab-button:hover {
    background: rgba(var(--rgb-overlay), 0.04) !important;
    color: var(--fg-primary) !important;
}

nav.tab-navigation.calc-subnav button.tab-button.active {
    background: rgba(var(--rgb-purple), 0.06) !important;
    border-bottom-color: var(--accent-purple) !important;
    color: var(--accent-purple) !important;
}

nav.tab-navigation .tab-dropdown button.tab-button,
nav.tab-navigation .tab-dropdown button.tab-button:hover,
nav.tab-navigation .tab-dropdown button.tab-button.active,
nav.tab-navigation .tab-dropdown button.tab-dd-trigger {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: transparent !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    margin-bottom: -1px !important;
    transform: none !important;
}

nav.tab-navigation .tab-dropdown button.tab-button::before,
nav.tab-navigation .tab-dropdown button.tab-button::after,
nav.tab-navigation .tab-dropdown button.tab-dd-trigger::before,
nav.tab-navigation .tab-dropdown button.tab-dd-trigger::after {
    content: none !important;
    display: none !important;
}

nav.tab-navigation .tab-dropdown button.tab-button:hover,
nav.tab-navigation .tab-dropdown button.tab-dd-trigger:hover {
    background: rgba(var(--rgb-overlay), 0.04) !important;
    color: var(--fg-primary) !important;
}

nav.tab-navigation .tab-dropdown button.tab-button.active,
nav.tab-navigation .tab-dropdown button.tab-dd-trigger.active {
    background: rgba(var(--rgb-purple), 0.06) !important;
    border-bottom-color: var(--accent-purple) !important;
    color: var(--accent-purple) !important;
}

}

/* ══════════════════════════════════════════
   RESULTS
══════════════════════════════════════════ */
.result-container {
    margin-top: 2rem;
    background: var(--bg-input);
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    display: none;
}
.result-container.has-content {
    display: block;
    animation: fadeInUp 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}
.result-container.result-success {
    border-color: rgba(var(--rgb-green), 0.2);
}
.result-container.result-error {
    border-color: rgba(var(--rgb-red), 0.2);
}

.result-header {
    padding: 0.875rem 1.375rem;
    background: rgba(var(--rgb-bg), 0.6);
    border-bottom: 1px solid var(--border-subtle);
}
.result-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.result-title i { font-size: 0.8rem; }

.result-value {
    padding: 1.125rem 1.375rem;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--fg-primary);
    border-bottom: 1px solid var(--border-subtle);
    line-height: 1.3;
}
.result-unit {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--accent-cyan);
    margin-left: 0.25rem;
}

.result-details {
    padding: 1rem 1.375rem;
}
.result-details h4 {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--fg-secondary);
    margin: 0 0 0.875rem;
    font-weight: 600;
}
.result-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.625rem;
}
.result-details li {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    background: rgba(var(--rgb-bg-secondary), 0.2);
    padding: 0.625rem 0.875rem;
    border-radius: 6px;
    margin: 0;
    border: 1px solid var(--border-subtle);
}
.result-details li .label {
    font-size: 0.72rem;
    color: var(--fg-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.result-details li .value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-green);
}

.trapezio-visual {
    margin-top: 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    background: rgba(var(--rgb-bg), 0.34);
    padding: 0.75rem;
}
.trapezio-visual svg {
    display: block;
    width: 100%;
    max-width: 520px;
    height: auto;
    margin: 0 auto;
}
.trapezio-visual text {
    fill: var(--fg-primary);
    font-size: 12px;
    font-weight: 600;
}
.trapezio-shape {
    fill: rgba(var(--rgb-cyan), 0.16);
    stroke: var(--accent-cyan);
    stroke-width: 3;
}
.trapezio-measure,
.trapezio-side {
    stroke: var(--accent-orange);
    stroke-width: 2;
    stroke-linecap: round;
}
.trapezio-measure.dashed {
    stroke: var(--accent-green);
    stroke-dasharray: 6 5;
}
.trapezio-note {
    margin-top: 0.5rem;
    color: var(--fg-secondary);
    font-size: 0.82rem;
    text-align: center;
}

.result-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0 0 10px 10px;
}

.result-text {
    padding: 1.125rem 1.375rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    line-height: 1.5;
}
.result-text.result-error {
    background: rgba(var(--rgb-red), 0.07);
    color: var(--accent-red);
}
.result-text.result-success {
    background: rgba(var(--rgb-green), 0.07);
    color: var(--accent-green);
}

/* Isolamento result section */
.result-section {
    margin-top: 2rem;
    background: var(--bg-input);
    border-radius: 10px;
    border: 1px solid rgba(var(--rgb-green), 0.2);
    overflow: hidden;
    padding: 1.375rem;
}
.result-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-subtle);
}
.result-item:last-child { border-bottom: none; }
.result-item strong {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--fg-secondary);
}
.result-item .result-value {
    padding: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-cyan);
    border-bottom: none;
}

.calc-details {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.875rem;
    color: var(--fg-secondary);
    line-height: 1.7;
}

/* ══════════════════════════════════════════
   TOAST NOTIFICATIONS
══════════════════════════════════════════ */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.8rem 1.125rem;
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--fg-primary);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
    z-index: 1000;
    opacity: 0;
    transform: translateY(18px) scale(0.92);
    transition: opacity 0.2s ease,
                transform 0.34s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 0.875rem;
    font-weight: 500;
    max-width: 300px;
    border: 1px solid var(--border-subtle);
    pointer-events: none;
}
.toast.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}
.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error   { border-left: 3px solid var(--accent-red); }
.toast.warning { border-left: 3px solid var(--accent-yellow); }
.toast.info    { border-left: 3px solid var(--accent-cyan); }
.toast .toast-close { margin-left: 0.4rem; padding: 0 0.2rem; border: 0; background: transparent; color: inherit; opacity: 0.7; cursor: pointer; font-size: 1.1rem; line-height: 1; }
.toast .toast-close:hover { opacity: 1; }

/* ══════════════════════════════════════════
   PLATFORM UI — fora da rota de Líquidos Igníferos
══════════════════════════════════════════ */
html.platform-ui-enabled {
    --fg-secondary: #9ba3c7;
    --text-muted: #9ba3c7;
    --text-secondary: #9ba3c7;
    --comment: #9ba3c7;
}

.fireblock-dialog-leave {
    background: rgba(var(--rgb-red), 0.08);
    border: 1px solid rgba(var(--rgb-red), 0.42);
    color: var(--accent-red);
}

/* Navegação agrupada — catálogo único da plataforma */
.legacy-navigation[hidden] { display: none !important; }
.platform-navigation {
    overflow: visible;
    z-index: 110;
}
.platform-nav-container {
    max-width: 1420px;
    min-height: 48px;
    overflow: visible;
    align-items: stretch;
    gap: 0.2rem;
}
.platform-nav-groups {
    display: flex;
    align-items: stretch;
    gap: 0.2rem;
}
.platform-nav-group { position: relative; display: flex; }
.platform-nav-home,
.platform-brain-link,
.platform-nav-trigger {
    min-height: 48px;
}
.platform-nav-trigger .platform-nav-arrow {
    margin-left: 0.25rem;
    font-size: 0.65rem;
    transition: transform 0.18s ease;
}
.platform-nav-group.open .platform-nav-arrow { transform: rotate(180deg); }
.platform-nav-panel {
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    z-index: 1500;
    width: min(340px, calc(100vw - 1rem));
    max-height: min(680px, calc(100vh - 118px));
    overflow-y: auto;
    padding: 0.55rem;
    border: 1px solid rgba(var(--rgb-cyan), 0.24);
    border-radius: 12px;
    background: rgba(var(--rgb-bg-input), 0.99);
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.48);
}
.platform-nav-panel[hidden] { display: none !important; }
.platform-nav-panel--wide {
    width: min(720px, calc(100vw - 1rem));
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.25rem 0.6rem;
}
.platform-nav-group.open .platform-nav-panel--wide { display: grid; }
.platform-nav-section {
    grid-column: 1 / -1;
    margin: 0.55rem 0.45rem 0.22rem;
    color: var(--fg-secondary);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.platform-nav-section:first-child { margin-top: 0.2rem; }
.platform-nav-item {
    min-height: 54px;
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.65rem;
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--fg-primary);
    text-decoration: none;
}
.platform-nav-item:hover,
.platform-nav-item:focus-visible,
.platform-nav-item.active {
    border-color: rgba(var(--rgb-cyan), 0.2);
    background: rgba(var(--rgb-cyan), 0.08);
    color: var(--accent-cyan);
}
.platform-nav-item > i { text-align: center; color: var(--accent-cyan); }
.platform-nav-item span { display: grid; min-width: 0; gap: 0.12rem; }
.platform-nav-item strong { font-size: 0.82rem; }
.platform-nav-item small { overflow: hidden; color: var(--fg-secondary); font-size: 0.68rem; text-overflow: ellipsis; white-space: nowrap; }
.platform-search-trigger,
.platform-mobile-menu-toggle {
    min-height: 38px;
    align-self: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    margin-left: auto;
    padding: 0.48rem 0.7rem;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    background: rgba(var(--rgb-bg-secondary), 0.28);
    color: var(--fg-secondary);
    font: inherit;
    font-size: 0.76rem;
    cursor: pointer;
}
.platform-search-trigger:hover,
.platform-mobile-menu-toggle:hover {
    border-color: rgba(var(--rgb-cyan), 0.42);
    color: var(--accent-cyan);
}
.platform-search-trigger kbd {
    padding: 0.12rem 0.3rem;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.18);
    font-size: 0.62rem;
}
.platform-mobile-menu-toggle { display: none; margin-left: 0; }
.command-palette-input { min-width: 0; display: grid; gap: 0.2rem; }
.command-palette-input strong { color: var(--fg-primary); font-size: 0.72rem; }
.command-clear-search {
    min-height: 36px;
    margin-top: 0.3rem;
    padding: 0.4rem 0.75rem;
    border: 1px solid rgba(var(--rgb-cyan), 0.3);
    border-radius: 7px;
    background: transparent;
    color: var(--accent-cyan);
    cursor: pointer;
}

@media (max-width: 900px) {
    .platform-navigation { padding-inline: 0.45rem; }
    .platform-nav-container { position: relative; width: 100%; justify-content: flex-start; }
    .platform-mobile-menu-toggle { display: inline-flex; order: 1; }
    .platform-nav-home { order: 0; }
    .platform-brain-link { order: 2; }
    .platform-search-trigger { order: 3; }
    .platform-nav-groups {
        position: absolute;
        top: calc(100% + 0.35rem);
        left: 0;
        right: 0;
        z-index: 1500;
        display: none;
        max-height: calc(100vh - 116px);
        overflow-y: auto;
        padding: 0.5rem;
        border: 1px solid rgba(var(--rgb-cyan), 0.24);
        border-radius: 12px;
        background: rgba(var(--rgb-bg-input), 0.99);
        box-shadow: 0 18px 55px rgba(0, 0, 0, 0.48);
    }
    .platform-nav-groups.mobile-open { display: grid; gap: 0.2rem; }
    .platform-nav-group { display: grid; }
    .platform-nav-trigger { width: 100%; justify-content: flex-start; }
    .platform-navigation .platform-nav-trigger span { display: inline; }
    .platform-nav-trigger .platform-nav-arrow { margin-left: auto; }
    .platform-nav-panel,
    .platform-nav-panel--wide {
        position: static;
        width: 100%;
        max-height: none;
        margin: 0.15rem 0 0.4rem;
        box-shadow: none;
        transform: none !important;
    }
    .platform-nav-group.open .platform-nav-panel--wide { display: block; }
    .platform-nav-item { min-height: 48px; }
}

@media (max-width: 620px) {
    .platform-brain-link span,
    .platform-nav-home span,
    .platform-search-trigger span,
    .platform-search-trigger kbd { display: none; }
    .platform-navigation .platform-brain-link,
    .platform-navigation .platform-nav-home,
    .platform-search-trigger { min-width: 44px; min-height: 44px; padding: 0; }
    .platform-mobile-menu-toggle { min-height: 44px; }
}

.platform-ui-enabled :focus-visible {
    outline: 3px solid rgba(var(--rgb-cyan), 0.82);
    outline-offset: 3px;
}

.platform-ui-enabled .header-command-trigger,
.platform-ui-enabled .header-project-trigger,
.platform-ui-enabled .header-utilities > summary {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.42rem 0.65rem;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    background: rgba(var(--rgb-bg-secondary), 0.24);
    color: var(--fg-secondary);
    font: inherit;
    font-size: 0.76rem;
    cursor: pointer;
}
.platform-ui-enabled .header-command-trigger:hover,
.platform-ui-enabled .header-project-trigger:hover,
.platform-ui-enabled .header-project-trigger.has-project,
.platform-ui-enabled .header-utilities > summary:hover {
    border-color: rgba(var(--rgb-cyan), 0.4);
    color: var(--accent-cyan);
}
.platform-ui-enabled .header-command-trigger kbd {
    padding: 0.12rem 0.3rem;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.18);
    color: var(--fg-secondary);
    font-size: 0.62rem;
}
.platform-ui-enabled .header-project-trigger {
    max-width: 210px;
}
.platform-ui-enabled .header-project-trigger span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.platform-ui-enabled .header-utilities {
    position: relative;
}
.platform-ui-enabled .header-utilities > summary {
    width: 36px;
    padding: 0;
    list-style: none;
}
.platform-ui-enabled .header-utilities > summary::-webkit-details-marker { display: none; }
.platform-ui-enabled .header-utilities-popover {
    position: absolute;
    top: calc(100% + 0.55rem);
    right: 0;
    z-index: 500;
    min-width: 260px;
    display: grid;
    gap: 0.55rem;
    padding: 0.65rem;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    background: rgba(var(--rgb-bg-input), 0.98);
    box-shadow: 0 16px 46px rgba(0, 0, 0, 0.42);
}
.platform-ui-enabled .header-utilities-popover .weather-widget {
    width: 100%;
    margin: 0;
}

.platform-ui-enabled .tab-navigation { position: sticky; }
.platform-ui-enabled .tab-navigation.has-overflow::before,
.platform-ui-enabled .tab-navigation.has-overflow::after {
    content: '';
    position: absolute;
    inset-block: 0;
    z-index: 94;
    width: 54px;
    pointer-events: none;
}
.platform-ui-enabled .tab-navigation.has-overflow::before { left: 0; background: linear-gradient(90deg, rgba(var(--rgb-bg-input), .98), transparent); }
.platform-ui-enabled .tab-navigation.has-overflow::after { right: 0; background: linear-gradient(270deg, rgba(var(--rgb-bg-input), .98), transparent); }
.platform-ui-enabled .nav-scroll-button {
    position: absolute;
    top: 50%;
    z-index: 96;
    width: 30px;
    height: 30px;
    display: none;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(var(--rgb-cyan), .25);
    border-radius: 50%;
    background: #252734;
    color: var(--accent-cyan);
    box-shadow: 0 4px 14px rgba(0,0,0,.3);
    transform: translateY(-50%);
    cursor: pointer;
}
.platform-ui-enabled .tab-navigation.has-overflow .nav-scroll-button { display: grid; }
.platform-ui-enabled .nav-scroll-button--previous { left: 8px; }
.platform-ui-enabled .nav-scroll-button--next { right: 8px; }
.platform-ui-enabled .nav-scroll-button:disabled { opacity: 0; pointer-events: none; }

.platform-ui-enabled .command-palette {
    position: fixed;
    inset: 0;
    z-index: 30000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: min(14vh, 110px) 1rem 1rem;
    background: rgba(10, 11, 16, 0.72);
    backdrop-filter: blur(7px);
}
.platform-ui-enabled .command-palette.show { display: flex; }
.platform-ui-enabled .command-palette-card {
    width: min(680px, 100%);
    max-height: min(680px, 76vh);
    overflow: hidden;
    border: 1px solid rgba(var(--rgb-cyan), 0.3);
    border-radius: 14px;
    background: #252734;
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
}
.platform-ui-enabled .command-palette-head {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.7rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--accent-cyan);
}
.platform-ui-enabled .command-palette-head input {
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--fg-primary);
    font: inherit;
    font-size: 1rem;
    outline: none;
}
.platform-ui-enabled .command-palette-hint {
    color: var(--fg-secondary);
    font-size: 0.68rem;
}
.platform-ui-enabled .command-palette-close {
    min-width: 48px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.25rem 0.45rem;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.18);
    color: var(--fg-secondary);
    font: inherit;
    font-size: 0.68rem;
    cursor: pointer;
}
.platform-ui-enabled .command-palette-close:hover,
.platform-ui-enabled .command-palette-close:focus-visible {
    border-color: rgba(var(--rgb-cyan), 0.4);
    color: var(--accent-cyan);
}
.platform-ui-enabled .command-palette-close i { font-size: 0.72rem; }
.platform-ui-enabled .command-palette-hint { margin: 0; padding: 0.55rem 1rem 0; }
.platform-ui-enabled .command-palette-results { max-height: min(560px, 62vh); overflow-y: auto; padding: 0.55rem; }
.platform-ui-enabled .command-result-group { margin: 0.45rem 0.5rem 0.25rem; color: var(--fg-secondary); font-size: 0.64rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.platform-ui-enabled .command-result {
    width: 100%;
    display: grid;
    grid-template-columns: 28px 1fr auto;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 0.7rem;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--fg-primary);
    text-align: left;
    cursor: pointer;
}
.platform-ui-enabled .command-result:hover,
.platform-ui-enabled .command-result:focus-visible { background: rgba(var(--rgb-cyan), 0.09); }
.platform-ui-enabled .command-result > i:first-child { color: var(--accent-cyan); text-align: center; }
.platform-ui-enabled .command-result > i:last-child { color: var(--fg-secondary); font-size: 0.7rem; }
.platform-ui-enabled .command-result span { display: grid; gap: 0.12rem; min-width: 0; }
.platform-ui-enabled .command-result strong,
.platform-ui-enabled .command-result small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.platform-ui-enabled .command-result small { color: var(--fg-secondary); font-size: 0.7rem; }
.platform-ui-enabled .command-empty { min-height: 190px; display: grid; place-content: center; justify-items: center; gap: .45rem; color: var(--fg-secondary); text-align: center; }

.platform-ui-enabled .required-mark { color: var(--accent-orange); font-weight: 800; }
.platform-ui-enabled .field-invalid input,
.platform-ui-enabled .field-invalid select,
.platform-ui-enabled .field-invalid textarea,
.platform-ui-enabled [aria-invalid="true"] {
    border-color: var(--accent-red) !important;
    box-shadow: 0 0 0 2px rgba(var(--rgb-red), 0.12) !important;
}
.platform-ui-enabled .field-error {
    display: block;
    margin-top: 0.28rem;
    color: #ff9a9a;
    font-size: 0.72rem;
    line-height: 1.35;
}
.platform-ui-enabled .form-error-summary {
    grid-column: 1 / -1;
    margin: 0 0 1rem;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(var(--rgb-red), 0.45);
    border-left: 4px solid var(--accent-red);
    border-radius: 9px;
    background: rgba(var(--rgb-red), 0.08);
    color: var(--fg-primary);
}
.platform-ui-enabled .form-error-summary ul { margin: 0.5rem 0 0; padding-left: 1.1rem; }
.platform-ui-enabled .form-error-summary button { padding: 0; border: 0; background: transparent; color: #ffb0b0; text-align: left; text-decoration: underline; cursor: pointer; }

.platform-ui-enabled .module-subnav {
    position: sticky;
    top: 101px;
    z-index: 82;
    min-height: 48px;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 max(1rem, calc((100vw - 1400px) / 2));
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(36, 38, 50, 0.98);
    backdrop-filter: blur(9px);
}
.platform-ui-enabled .module-subnav-scroll { min-width: 0; display: flex; overflow-x: auto; scrollbar-width: none; }
.platform-ui-enabled .module-subnav-scroll::-webkit-scrollbar { display: none; }
.platform-ui-enabled .module-subnav-item {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: 0 .85rem;
    border-bottom: 2px solid transparent;
    color: var(--fg-secondary);
    font-size: .76rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
}
.platform-ui-enabled .module-subnav-item:hover { color: var(--fg-primary); background: rgba(var(--rgb-overlay), .035); }
.platform-ui-enabled .module-subnav-item.active { color: var(--accent-cyan); border-bottom-color: var(--accent-cyan); background: rgba(var(--rgb-cyan), .055); }
.platform-ui-enabled .lembretes-people { display: flex; align-items: center; gap: .4rem; padding-right: 1rem; }
html.fb-framed.platform-ui-enabled .module-subnav { top: 0; }

@media (max-width: 900px) {
    .platform-ui-enabled .header-command-trigger span,
    .platform-ui-enabled .header-command-trigger kbd,
    .platform-ui-enabled .header-project-trigger span { display: none; }
    .platform-ui-enabled .header-command-trigger,
    .platform-ui-enabled .header-project-trigger { width: 36px; padding: 0; }
    .platform-ui-enabled .module-subnav { top: 101px; padding-inline: .35rem; }
    .platform-ui-enabled .lembretes-people { display: none; }
}

html.fb-framed.platform-ui-enabled .module-subnav { top: 0; }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 768px) {
    .app-header { padding: 0.75rem 0; }

    .main-content { padding: 1.25rem 1rem; }

    .card { padding: 1.25rem; }
    .card-header { margin-bottom: 1.25rem; }

    .form-grid { grid-template-columns: 1fr; }

    .form-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }

    .tab-button span { display: none; }
    .tab-button { padding: 0.875rem 0.875rem; }
    .tab-button i { font-size: 1.05rem; }

    .toast {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        max-width: none;
    }

    .result-details ul { grid-template-columns: 1fr; }

    .point-inputs { grid-template-columns: 1fr 1fr; }
    .point-inputs > :last-child { grid-column: 1 / -1; }
}

/* ══════════════════════════════════════════
   ELETRODUTO — RESULT CLASSES
══════════════════════════════════════════ */
.section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--fg-secondary);
    padding: 1rem 1.375rem 0.5rem;
}

.result-highlight {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 0.5rem 1.375rem 0;
    padding: 1rem 1.125rem;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
}
.result-highlight.success {
    background: rgba(var(--rgb-green), 0.1);
    border: 1px solid rgba(var(--rgb-green), 0.25);
    color: var(--fg-primary);
}
.result-highlight.success i  { color: var(--accent-green); margin-top: 2px; }
.result-highlight.success strong { color: var(--accent-green); font-size: 1.05rem; }
.result-highlight.error {
    background: rgba(var(--rgb-red), 0.08);
    border: 1px solid rgba(var(--rgb-red), 0.2);
    color: var(--accent-red);
}
.result-highlight.error i { color: var(--accent-red); margin-top: 2px; }

.info-box {
    padding: 0.75rem 1.375rem 1.25rem;
}
.info-note {
    font-size: 0.8125rem;
    color: var(--fg-secondary);
    line-height: 1.6;
    padding: 0.25rem 0;
}
.info-note + .info-note { padding-top: 0.375rem; }

/* ── Calculation tables ── */
.calculation-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin: 0 0 0.5rem;
}
.calculation-table th {
    background: rgba(var(--rgb-bg), 0.7);
    color: var(--fg-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 0.625rem 1.375rem;
    border-bottom: 1px solid var(--border-subtle);
    text-align: left;
}
.calculation-table td {
    padding: 0.5rem 1.375rem;
    border-bottom: 1px solid rgba(var(--rgb-bg-secondary), 0.2);
    color: var(--fg-primary);
}
.calculation-table tbody tr:last-child td { border-bottom: none; }
.calculation-table tbody tr:hover td { background: rgba(var(--rgb-bg-secondary), 0.12); }

.pump-catalog-section {
    padding: 0 1.375rem 1.375rem;
    overflow-x: auto;
}
.pump-catalog-section h4 {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--fg-secondary);
    margin: 0 0 0.875rem;
    font-weight: 600;
}
.pump-catalog-table {
    min-width: 940px;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
}
.pump-catalog-table strong {
    color: var(--accent-cyan);
}
.pump-catalog-select {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-width: 96px;
    min-height: 34px;
    padding: 0.4rem 0.65rem;
    border: 1px solid rgba(var(--rgb-cyan), 0.28);
    border-radius: 6px;
    background: rgba(var(--rgb-cyan), 0.08);
    color: var(--accent-cyan);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
}
.pump-catalog-select:hover {
    background: rgba(var(--rgb-cyan), 0.14);
}
.pump-catalog-select:disabled {
    cursor: default;
    border-color: rgba(var(--rgb-green), 0.35);
    background: rgba(var(--rgb-green), 0.1);
    color: var(--accent-green);
}
.pump-catalog-selected td {
    background: rgba(var(--rgb-green), 0.07) !important;
}
.pump-catalog-selected td:first-child {
    border-left: 3px solid var(--accent-green);
}
.pump-catalog-sub,
.pump-catalog-source {
    display: block;
    margin-top: 0.2rem;
    color: var(--fg-secondary);
    font-size: 0.76rem;
    line-height: 1.35;
}
.pump-catalog-source {
    margin-top: 0.55rem;
}
.pump-catalog-ok {
    color: var(--accent-green) !important;
    font-weight: 600;
}
.calc-catalog-note {
    padding: 0.75rem 0.9rem;
    border: 1px solid rgba(var(--rgb-cyan), 0.2);
    border-radius: 8px;
    color: var(--fg-secondary);
    background: rgba(var(--rgb-cyan), 0.06);
    font-size: 0.875rem;
    line-height: 1.5;
}
.calc-catalog-note.warning {
    border-color: rgba(var(--rgb-orange), 0.25);
    background: rgba(var(--rgb-orange), 0.07);
    color: var(--accent-orange);
}

/* Highlighted recommended row */
.calculation-table tr.recomendado td {
    background: rgba(var(--rgb-purple), 0.1) !important;
    font-weight: 600;
}
.calculation-table tr.recomendado td:first-child {
    border-left: 3px solid var(--accent-purple);
    color: var(--accent-purple);
}

/* Total row */
.calculation-table tr.total-row td {
    background: rgba(var(--rgb-bg-secondary), 0.2);
    font-weight: 600;
    border-top: 1px solid var(--border-color);
}

/* Status & taxa badges */
.status-adequado  { color: var(--accent-green); font-weight: 600; }
.status-inadequado { color: var(--accent-red);  font-weight: 600; }
.taxa-baixa  { color: var(--accent-green); }
.taxa-media  { color: var(--accent-yellow); }
.taxa-alta   { color: var(--accent-orange); }

/* ══════════════════════════════════════════
   CONVERSOR DE UNIDADES
══════════════════════════════════════════ */
.converter-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
    background: var(--bg-input);
    padding: 0.3rem;
    border-radius: 10px;
    width: fit-content;
}
.converter-tab {
    background: transparent;
    border: none;
    color: var(--fg-secondary);
    padding: 0.5rem 1.125rem;
    border-radius: 7px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all var(--transition-smooth);
}
.converter-tab:hover {
    color: var(--fg-primary);
    background: rgba(var(--rgb-bg-secondary), 0.4);
}
.converter-tab.active {
    background: var(--bg-card);
    color: var(--accent-purple);
    font-weight: 600;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
}

.converter-section { display: none; }
.converter-section.active { display: block; }

/* Converter layout: value | arrow | unit */
.converter-layout {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
}
.converter-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    font-size: 1.25rem;
    opacity: 0.7;
    padding-top: 1.5rem; /* align with inputs */
}
.converter-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.converter-value-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--fg-primary);
    transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
    box-sizing: border-box;
}
.converter-value-input:focus {
    border-color: var(--accent-purple);
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--rgb-purple), 0.14);
}
.converter-value-input::placeholder { color: rgba(var(--rgb-comment), 0.45); }
.converter-unit-select {
    width: 100%;
    padding: 0.6rem 2.25rem 0.6rem 0.875rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--fg-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236272a4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    cursor: pointer;
    transition: border-color var(--transition-smooth);
    box-sizing: border-box;
}
.converter-unit-select:focus {
    border-color: var(--accent-purple);
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--rgb-purple), 0.14);
}
.converter-unit-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--fg-secondary);
}
.converter-unit-select--large {
    padding-top: 0.875rem;
    padding-bottom: 0.875rem;
    font-size: 0.9375rem;
}

.converter-action {
    display: flex;
    gap: 0.75rem;
    padding-top: 0.25rem;
}

@media (max-width: 640px) {
    .converter-layout {
        grid-template-columns: 1fr;
    }
    .converter-arrow {
        padding-top: 0;
        transform: rotate(90deg);
        justify-self: center;
    }
}

/* ══════════════════════════════════════════════════════════════════════
   BLOCOS DE FÓRMULAS — reutilizável em todas as abas de calculadoras
   ══════════════════════════════════════════════════════════════════════ */

.formula-block {
    margin-top: 1.5rem;
}

.formula-block details {
    border: 1px solid rgba(var(--rgb-comment), 0.35);
    border-radius: 10px;
    overflow: hidden;
    background: rgba(var(--rgb-bg), 0.6);
}

.formula-block summary {
    padding: 0.7rem 1rem;
    cursor: pointer;
    background: rgba(var(--rgb-bg-secondary), 0.5);
    color: var(--fg-secondary);
    font-size: 0.88rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    user-select: none;
    list-style: none;
    transition: background 0.2s, color 0.2s;
}
.formula-block summary::-webkit-details-marker { display: none; }
.formula-block summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: auto;
    font-size: 0.75rem;
    transition: transform 0.2s;
}
.formula-block details[open] summary {
    color: var(--accent-cyan);
    background: rgba(var(--rgb-cyan), 0.07);
}
.formula-block details[open] summary::after { transform: rotate(180deg); }

.formula-body {
    padding: 1rem 1.25rem;
}

.formula-section {
    margin-bottom: 1.25rem;
}
.formula-section:last-child { margin-bottom: 0; }

.formula-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-purple);
    margin-bottom: 0.5rem;
}

.formula-eq {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    color: var(--accent-cyan);
    background: rgba(var(--rgb-cyan), 0.06);
    border-left: 3px solid var(--accent-cyan);
    padding: 0.5rem 0.85rem;
    border-radius: 0 6px 6px 0;
    margin: 0.4rem 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.formula-legend {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    margin-top: 0.5rem;
}
.formula-legend th {
    text-align: left;
    color: var(--fg-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.5rem;
    border-bottom: 1px solid rgba(var(--rgb-comment), 0.3);
}
.formula-legend td {
    padding: 0.3rem 0.5rem;
    color: var(--fg-primary);
    border-bottom: 1px solid rgba(var(--rgb-comment), 0.12);
    vertical-align: top;
}
.formula-legend td:first-child {
    font-family: 'Courier New', monospace;
    color: var(--accent-yellow);
    white-space: nowrap;
    width: 1%;
    padding-right: 1rem;
}
.formula-legend tr:last-child td { border-bottom: none; }

.formula-note {
    font-size: 0.8rem;
    color: var(--fg-secondary);
    background: rgba(var(--rgb-orange), 0.07);
    border-left: 3px solid var(--accent-orange);
    padding: 0.45rem 0.8rem;
    border-radius: 0 6px 6px 0;
    margin-top: 0.5rem;
    line-height: 1.5;
}
.formula-note strong { color: var(--accent-orange); }

/* Notas de aviso/norma abaixo de resultado */
.calc-notes {
    margin-top: 1.2rem;
    border: 1px solid rgba(var(--rgb-orange), 0.25);
    border-radius: 10px;
    overflow: hidden;
}
.calc-notes-header {
    background: rgba(var(--rgb-orange), 0.1);
    padding: 0.55rem 1rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-orange);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.calc-notes-body {
    padding: 0.75rem 1rem;
}
.calc-notes-body ul {
    margin: 0;
    padding-left: 1.2rem;
    font-size: 0.83rem;
    color: var(--fg-primary);
    line-height: 1.7;
}
.calc-notes-body ul li { margin-bottom: 0.25rem; }

/* ══════════════════════════════════════════
   HOME — grid de funcionalidades
   (movido do <style> inline de home.html)
══════════════════════════════════════════ */
.home-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    opacity: 0;
    animation: fadeInPage 0.5s ease-out forwards;
}

.welcome-section {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    padding: 2.75rem 2rem 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(var(--rgb-purple), 0.11) 0%, transparent 52%),
        radial-gradient(ellipse at 80% 0%, rgba(var(--rgb-pink), 0.07) 0%, transparent 52%),
        radial-gradient(ellipse at 50% 110%, rgba(var(--rgb-cyan), 0.05) 0%, transparent 60%),
        linear-gradient(180deg, rgba(34, 36, 50, 1) 0%, rgba(27, 29, 41, 1) 100%);
    border: 1px solid rgba(var(--rgb-purple), 0.16);
    box-shadow:
        0 24px 64px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(var(--rgb-overlay), 0.04);
    opacity: 0;
    transform: translateY(16px);
    animation: welcomeAppear 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.1s forwards;
}

.welcome-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        var(--accent-red) 0%, var(--accent-orange) 18%, var(--accent-yellow) 36%,
        var(--accent-green) 52%, var(--accent-cyan) 68%, var(--accent-purple) 84%, var(--accent-pink) 100%);
    border-radius: 20px 20px 0 0;
}

.welcome-section::after {
    content: '';
    position: absolute;
    bottom: -50px; right: -50px;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(var(--rgb-purple), 0.07) 0%, transparent 68%);
    pointer-events: none;
}

.hero-logo-mark {
    position: relative;
    z-index: 1;
    width: 68px;
    height: 68px;
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(255, 140, 66, 0.14), rgba(var(--rgb-red), 0.09));
    border: 1px solid rgba(255, 140, 66, 0.24);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    margin: 0 auto 1.1rem;
    box-shadow: 0 0 36px rgba(255, 140, 66, 0.16);
    animation: floaty 4.4s ease-in-out infinite;
}

.hero-logo-mark i {
    background: linear-gradient(145deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 8px rgba(var(--rgb-orange), 0.4));
}

.hero-overline {
    position: relative;
    z-index: 1;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent-orange);
    margin: 0 0 0.875rem;
    opacity: 0.9;
    animation: overlineIn 0.8s ease-out 0.2s both;
}

.welcome-title {
    position: relative;
    z-index: 1;
    font-size: 2.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-cyan) 45%, var(--accent-green) 70%, var(--accent-purple) 100%);
    background-size: 220% 220%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 0.875rem;
    line-height: 1.12;
    letter-spacing: -0.75px;
    animation: gradientShift 7s ease-in-out infinite alternate;
}

.welcome-subtitle {
    position: relative;
    z-index: 1;
    font-size: 0.975rem;
    color: var(--fg-secondary);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.75;
    opacity: 0;
    animation: subtitleAppear 0.6s ease-out 0.28s forwards;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                border-color 0.25s ease, box-shadow 0.25s ease;
    border: 1px solid var(--border-subtle);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    animation: cardAppear 0.45s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--card-gradient, var(--gradient-primary));
    opacity: 0.6;
    transition: opacity 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-6px) scale(1.015);
    border-color: color-mix(in srgb, var(--icon-color, #bd93f9) 42%, transparent);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.38),
                0 0 24px color-mix(in srgb, var(--icon-color, #bd93f9) 10%, transparent);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: var(--icon-bg, rgba(var(--rgb-purple), 0.12));
    color: var(--icon-color, var(--accent-purple));
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.25s ease;
    flex-shrink: 0;
}
.feature-card:hover .feature-icon {
    transform: scale(1.14) rotate(-5deg);
    box-shadow: 0 0 18px color-mix(in srgb, var(--icon-color, #bd93f9) 22%, transparent);
}
.feature-icon-svg {
    width: 25px;
    height: 25px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.feature-title {
    font-size: 1rem;
    color: var(--fg-primary);
    font-weight: 600;
    margin: 0;
}

.feature-description {
    color: var(--fg-secondary);
    font-size: 0.8125rem;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.feature-arrow {
    color: var(--fg-secondary);
    font-size: 0.75rem;
    opacity: 0.55;
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1),
                color 0.2s ease, opacity 0.2s ease;
    align-self: flex-end;
}
.feature-card:hover .feature-arrow {
    color: var(--icon-color, var(--accent-purple));
    opacity: 1;
    transform: translateX(5px);
}

/* Accent dos cards — substitui o style inline por card */
.feature-card--purple { --card-gradient: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan)); --icon-bg: rgba(var(--rgb-purple), 0.12); --icon-color: var(--accent-purple); }
.feature-card--cyan   { --card-gradient: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple)); --icon-bg: rgba(var(--rgb-cyan), 0.12); --icon-color: var(--accent-cyan); }
.feature-card--green  { --card-gradient: linear-gradient(90deg, var(--accent-green), var(--accent-cyan)); --icon-bg: rgba(var(--rgb-green), 0.12);  --icon-color: var(--accent-green); }
.feature-card--orange { --card-gradient: linear-gradient(90deg, var(--accent-orange), var(--accent-cyan)); --icon-bg: rgba(var(--rgb-orange), 0.12); --icon-color: var(--accent-orange); }
.feature-card--pink   { --card-gradient: linear-gradient(90deg, var(--accent-pink), var(--accent-purple)); --icon-bg: rgba(var(--rgb-pink), 0.12); --icon-color: var(--accent-pink); }
.feature-card--red    { --card-gradient: linear-gradient(90deg, var(--accent-red), var(--accent-orange)); --icon-bg: rgba(var(--rgb-red), 0.10);   --icon-color: var(--accent-red); }
.feature-card--yellow { --card-gradient: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange)); --icon-bg: rgba(var(--rgb-yellow), 0.10); --icon-color: var(--accent-yellow); }

@keyframes fadeInPage {
    to { opacity: 1; }
}
@keyframes welcomeAppear {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes subtitleAppear {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes cardAppear {
    to { opacity: 1; transform: translateY(0); }
}

.features-grid > * {
    animation-delay: calc(var(--animation-order) * 0.07s + 0.3s);
}

/* Após o primeiro filtro, cards reexibidos não repetem a animação de entrada */
.features-grid--filtrada > * {
    animation: none;
    opacity: 1;
    transform: none;
}

/* ── Filtro rápido de ferramentas (home) ── */
.tools-filter {
    position: relative;
    max-width: 480px;
    margin: 2rem auto 0;
}

.tools-filter-icon {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--fg-secondary);
    pointer-events: none;
    font-size: 0.875rem;
}

.tools-filter input {
    width: 100%;
    padding: 0.7rem 2.9rem;
    border-radius: 999px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    font-size: 0.9375rem;
}

.tools-filter input::placeholder {
    color: var(--fg-secondary);
}

.tools-filter-clear {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    color: var(--fg-secondary);
    padding: 0.3rem 0.65rem;
    border-radius: 50%;
    line-height: 1;
}

.tools-filter-clear:hover {
    background: var(--bg-hover);
    color: var(--fg-primary);
}

.tools-filter-empty {
    text-align: center;
    color: var(--fg-secondary);
    margin-top: 2rem;
    font-size: 0.9375rem;
}

@media (max-width: 1200px) {
    .features-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .welcome-title { font-size: 2.2rem; }
}
@media (max-width: 600px) {
    .home-container { padding: 1.5rem 1rem; }
    .welcome-section { padding: 2rem 1.25rem 1.75rem; border-radius: 16px; }
    .features-grid { grid-template-columns: 1fr; gap: 0.75rem; }
    .welcome-title { font-size: 1.8rem; letter-spacing: -0.4px; }
    .welcome-subtitle { font-size: 0.9rem; }
}


.calc-analysis-box {
    margin: 1rem 0;
    border: 1px solid rgba(var(--rgb-cyan), 0.22);
    background: rgba(var(--rgb-bg), 0.78);
    border-radius: 8px;
    padding: 1rem;
}

.calc-analysis-head {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--foreground);
}

.calc-analysis-head i {
    color: var(--accent-cyan);
    margin-top: 0.15rem;
}

.calc-analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 0.85rem;
}

.calc-analysis-grid > div {
    border: 1px solid rgba(var(--rgb-fg), 0.09);
    background: rgba(var(--rgb-bg-secondary), 0.34);
    border-radius: 6px;
    padding: 0.75rem;
}

.calc-analysis-grid span {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--accent-purple);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.calc-analysis-grid p {
    margin: 0;
    color: var(--foreground);
    line-height: 1.45;
}

.calc-analysis-alerts {
    margin: 0.85rem 0 0;
    padding-left: 1.25rem;
    color: var(--accent-yellow);
}

@media (max-width: 760px) {
    .calc-analysis-grid {
        grid-template-columns: 1fr;
    }
}

.npsh-suction-builder {
    grid-column: 1 / -1;
    padding: 1rem;
    border: 1px solid rgba(var(--rgb-cyan), 0.25);
    border-radius: 10px;
    background: rgba(var(--rgb-bg), 0.55);
}

.npsh-suction-heading,
.npsh-loss-section-header,
.npsh-suction-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.npsh-suction-heading h3,
.npsh-suction-heading p,
.npsh-loss-section-header small {
    margin: 0;
}

.npsh-suction-heading {
    align-items: flex-end;
    flex-wrap: wrap;
}

.npsh-suction-heading h3 {
    color: var(--accent-cyan);
    margin-bottom: 0.3rem;
}

.npsh-suction-heading p,
.npsh-loss-section-header small {
    color: var(--fg-secondary);
}

.npsh-flow-field {
    min-width: 220px;
    margin: 0;
}

.npsh-network-params {
    display: grid;
    flex: 1;
    grid-template-columns: repeat(3, minmax(150px, 1fr));
    gap: 0.65rem;
    min-width: min(100%, 560px);
}

.npsh-loss-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(var(--rgb-fg), 0.1);
}

.npsh-loss-section-header > div {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.btn-compact {
    padding: 0.48rem 0.75rem;
    font-size: 0.82rem;
}

.npsh-loss-row {
    display: grid;
    grid-template-columns: minmax(160px, 1.35fr) repeat(3, minmax(105px, 1fr)) 38px;
    align-items: end;
    gap: 0.65rem;
    margin-top: 0.75rem;
}

.npsh-loss-field label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--fg-secondary);
    font-size: 0.78rem;
}

.npsh-loss-field input,
.npsh-loss-field select {
    width: 100%;
}

.npsh-pieces-button {
    width: 100%;
    min-height: 38px;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--accent-cyan);
    cursor: pointer;
    text-align: left;
}

.npsh-pieces-button:hover {
    border-color: var(--accent-cyan);
}

.npsh-remove-row {
    height: 38px;
    border: 1px solid rgba(var(--rgb-red), 0.35);
    border-radius: 6px;
    background: rgba(var(--rgb-red), 0.08);
    color: var(--accent-red);
    cursor: pointer;
}

.npsh-remove-row:hover {
    background: rgba(var(--rgb-red), 0.18);
}

.npsh-suction-actions {
    margin-top: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.npsh-suction-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    color: var(--fg-secondary);
    font-size: 0.88rem;
}

.npsh-suction-preview strong {
    color: var(--accent-green);
}

.npsh-suction-preview.error {
    color: var(--accent-red);
}

.npsh-result-loss {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 0.75rem 0;
    padding: 0.7rem 0.85rem;
    border: 1px solid rgba(var(--rgb-green), 0.25);
    border-radius: 7px;
    background: rgba(var(--rgb-green), 0.06);
}

.npsh-result-loss span {
    color: var(--fg-secondary);
}

.npsh-pieces-modal[hidden] {
    display: none;
}

.npsh-pieces-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: grid;
    place-items: center;
    padding: 1rem;
    background: rgba(10, 10, 18, 0.76);
}

.npsh-pieces-dialog {
    width: min(640px, 100%);
    max-height: min(760px, 90vh);
    overflow: hidden;
    border: 1px solid rgba(var(--rgb-cyan), 0.3);
    border-radius: 10px;
    background: var(--bg-card);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

.npsh-pieces-header,
.npsh-pieces-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
}

body.npsh-modal-open {
    overflow: hidden;
}

.npsh-pieces-header {
    border-bottom: 1px solid var(--border-color);
    color: var(--accent-cyan);
}

.npsh-pieces-close {
    border: 0;
    background: transparent;
    color: var(--fg-secondary);
    cursor: pointer;
    font-size: 1.5rem;
}

.npsh-pieces-body {
    max-height: 60vh;
    overflow-y: auto;
    padding: 0.5rem 1rem;
}

.npsh-piece-row {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) 80px 145px;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid rgba(var(--rgb-fg), 0.08);
}

.npsh-piece-row input {
    width: 100%;
}

.npsh-piece-row small,
.npsh-pieces-loading {
    color: var(--fg-secondary);
}

.npsh-pieces-error {
    color: var(--accent-red);
}

.npsh-pieces-actions {
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 900px) {
    .npsh-loss-row {
        grid-template-columns: repeat(2, minmax(0, 1fr)) 38px;
    }

    .npsh-loss-row .npsh-loss-field:first-child {
        grid-column: 1 / -2;
    }
}

@media (max-width: 600px) {
    .npsh-suction-heading,
    .npsh-loss-section-header,
    .npsh-result-loss {
        align-items: stretch;
        flex-direction: column;
    }

    .npsh-flow-field {
        min-width: 0;
    }

    .npsh-network-params {
        grid-template-columns: 1fr;
    }

    .npsh-loss-row {
        grid-template-columns: 1fr 38px;
    }

    .npsh-loss-row .npsh-loss-field,
    .npsh-loss-row .npsh-loss-field:first-child {
        grid-column: 1;
    }

    .npsh-remove-row {
        grid-column: 2;
        grid-row: 1;
    }

    .npsh-piece-row {
        grid-template-columns: minmax(0, 1fr) 70px;
    }

    .npsh-piece-row small {
        grid-column: 1 / -1;
    }
}

/* NPSH workspace */
.npsh-card {
    padding: 0;
    overflow: visible;
}

.npsh-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.5rem 2rem 1.25rem;
    border-bottom: 1px solid var(--border-subtle);
}

.npsh-page-header .card-title {
    margin: 0.3rem 0 0.35rem;
}

.npsh-page-header .card-description {
    max-width: 670px;
    margin: 0;
}

.npsh-eyebrow,
.npsh-result-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--accent-cyan);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.npsh-header-formula {
    flex: 0 0 auto;
    min-width: 270px;
    padding: 0.9rem 1.1rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    background: var(--bg-input);
}

.npsh-header-formula span {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--fg-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.npsh-header-formula strong {
    color: var(--accent-cyan);
    font-size: 1rem;
    font-family: "Fira Code", Consolas, ui-monospace, monospace;
}

.npsh-card > .card-content {
    padding: 1.5rem 2rem 2rem;
}

.npsh-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 285px;
    align-items: start;
    gap: 1.25rem;
}

.npsh-form {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 1rem;
}

.npsh-step-card {
    padding: 1.15rem;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    background: linear-gradient(145deg, rgba(var(--rgb-bg-secondary), 0.34), rgba(var(--rgb-bg), 0.28));
}

.npsh-step-head {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.npsh-step-head > div {
    min-width: 0;
    flex: 1;
}

.npsh-step-head h3,
.npsh-step-head p {
    margin: 0;
}

.npsh-step-head h3 {
    color: var(--foreground);
    font-size: 1rem;
}

.npsh-step-head p {
    margin-top: 0.18rem;
    color: var(--fg-secondary);
    font-size: 0.8rem;
}

.npsh-step-number {
    display: grid;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    place-items: center;
    border: 1px solid rgba(var(--rgb-cyan), 0.32);
    border-radius: 10px;
    background: rgba(var(--rgb-cyan), 0.09);
    color: var(--accent-cyan);
    font-weight: 800;
}

.npsh-auto-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.38rem 0.55rem;
    border-radius: 999px;
    background: rgba(var(--rgb-green), 0.08);
    color: var(--accent-green);
    font-size: 0.7rem;
    white-space: nowrap;
}

.npsh-field-grid {
    display: grid;
    gap: 0.8rem;
}

.npsh-field-grid--four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.npsh-field-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.npsh-step-card .form-group,
.npsh-network-params .form-group {
    margin: 0;
}

.npsh-step-card label small,
.npsh-loss-field label small {
    color: var(--fg-secondary);
    font-weight: 500;
    text-transform: none;
}

.npsh-field-help {
    display: block;
    margin-top: 0.4rem;
    color: var(--fg-secondary);
    font-size: 0.72rem;
    line-height: 1.35;
}

.npsh-inline-note {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0.75rem 0 0;
    color: var(--fg-secondary);
    font-size: 0.74rem;
}

.npsh-inline-note i {
    color: var(--accent-cyan);
}

.npsh-derived-field input {
    color: var(--accent-cyan);
    font-weight: 700;
}

.npsh-input-with-icon {
    position: relative;
}

.npsh-input-with-icon i {
    position: absolute;
    z-index: 1;
    left: 0.7rem;
    top: 50%;
    color: var(--fg-secondary);
    transform: translateY(-50%);
}

.npsh-input-with-icon input {
    padding-left: 2.15rem;
}

.npsh-mode-fieldset {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.npsh-mode-fieldset legend {
    margin-bottom: 0.45rem;
    color: var(--fg-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.npsh-mode-selector {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
}

.npsh-mode-option {
    cursor: pointer;
}

.npsh-mode-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.npsh-mode-option > span {
    display: grid;
    min-height: 72px;
    grid-template-columns: 28px 1fr;
    align-content: center;
    column-gap: 0.45rem;
    padding: 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 9px;
    background: var(--bg-input);
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.npsh-mode-option i {
    grid-row: 1 / 3;
    align-self: center;
    color: var(--fg-secondary);
    font-size: 1rem;
}

.npsh-mode-option strong,
.npsh-mode-option small {
    display: block;
}

.npsh-mode-option strong {
    color: var(--foreground);
    font-size: 0.82rem;
}

.npsh-mode-option small {
    margin-top: 0.1rem;
    color: var(--fg-secondary);
    font-size: 0.68rem;
}

.npsh-mode-option input:checked + span {
    border-color: var(--accent-cyan);
    background: rgba(var(--rgb-cyan), 0.08);
    box-shadow: 0 0 0 1px rgba(var(--rgb-cyan), 0.1);
}

.npsh-mode-option input:checked + span i,
.npsh-mode-option input:checked + span strong {
    color: var(--accent-cyan);
}

.npsh-mode-option input:focus-visible + span,
#npsh button:focus-visible,
#npsh input:focus-visible,
#npsh select:focus-visible,
.npsh-pieces-dialog button:focus-visible,
.npsh-pieces-dialog input:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

.npsh-manual-loss {
    max-width: calc(50% - 0.4rem);
    margin-top: 0.85rem !important;
}

.npsh-manual-loss[hidden] {
    display: none !important;
}

.npsh-suction-builder {
    margin-top: 1rem;
    padding: 0;
    overflow: hidden;
    border-color: rgba(var(--rgb-cyan), 0.2);
    background: rgba(24, 26, 36, 0.45);
}

.npsh-suction-heading {
    padding: 1rem;
    background: rgba(var(--rgb-bg-secondary), 0.27);
}

.npsh-suction-heading h3 {
    font-size: 0.95rem;
}

.npsh-network-params {
    max-width: 610px;
}

.npsh-loss-section {
    margin: 0;
    padding: 1rem;
}

.npsh-loss-section-header {
    margin-bottom: 0.8rem;
}

.npsh-loss-row {
    display: block;
    margin-top: 0.7rem;
    overflow: hidden;
    border: 1px solid rgba(var(--rgb-fg), 0.1);
    border-radius: 10px;
    background: rgba(var(--rgb-bg), 0.72);
}

.npsh-segment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid rgba(var(--rgb-fg), 0.08);
    background: rgba(var(--rgb-bg-secondary), 0.28);
}

.npsh-segment-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.npsh-segment-title > span {
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border-radius: 8px;
    background: rgba(var(--rgb-purple), 0.12);
    color: var(--accent-purple);
    font-size: 0.72rem;
    font-weight: 800;
}

.npsh-segment-title strong,
.npsh-segment-title small {
    display: block;
}

.npsh-segment-title strong {
    color: var(--foreground);
    font-size: 0.82rem;
}

.npsh-segment-title small {
    margin-top: 0.08rem;
    color: var(--fg-secondary);
    font-size: 0.65rem;
}

.npsh-segment-actions {
    display: flex;
    gap: 0.35rem;
}

.npsh-segment-actions button {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(var(--rgb-bg), 0.6);
    color: var(--fg-secondary);
    cursor: pointer;
}

.npsh-segment-actions .npsh-remove-row {
    border-color: rgba(var(--rgb-red), 0.25);
    color: var(--accent-red);
}

.npsh-segment-fields {
    display: grid;
    grid-template-columns: minmax(180px, 1.3fr) 120px 145px minmax(175px, 1fr);
    align-items: end;
    gap: 0.65rem;
    padding: 0.8rem;
}

.npsh-pieces-button {
    display: flex;
    min-height: 40px;
    align-items: center;
    gap: 0.45rem;
}

.npsh-suction-actions {
    margin: 0;
    padding: 0.85rem 1rem;
    border-top: 1px solid rgba(var(--rgb-fg), 0.08);
    background: rgba(var(--rgb-bg-secondary), 0.18);
}

.npsh-suction-preview:not(:empty) {
    flex: 1;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    background: rgba(var(--rgb-green), 0.06);
}

.npsh-optional-field {
    margin-top: 0.8rem;
    border-top: 1px solid rgba(var(--rgb-fg), 0.08);
}

.npsh-optional-field summary {
    padding: 0.75rem 0 0;
    color: var(--fg-secondary);
    cursor: pointer;
    font-size: 0.78rem;
}

.npsh-optional-field .form-group {
    max-width: 50%;
    margin-top: 0.8rem;
}

.npsh-submit-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem;
    border: 1px solid rgba(var(--rgb-purple), 0.2);
    border-radius: 11px;
    background: rgba(var(--rgb-purple), 0.06);
}

.npsh-submit-bar > div:first-child {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--fg-secondary);
    font-size: 0.75rem;
}

.npsh-submit-bar > div:first-child i {
    color: var(--accent-purple);
}

.npsh-submit-actions {
    display: flex;
    gap: 0.55rem;
}

.npsh-primary-action {
    min-width: 225px;
}

.npsh-side-panel {
    position: sticky;
    top: 1.25rem;
    padding: 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    background: rgba(var(--rgb-bg), 0.76);
}

.npsh-side-panel-head {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.npsh-side-panel-head span,
.npsh-live-summary > span {
    color: var(--fg-secondary);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.npsh-side-panel-head strong {
    color: var(--foreground);
    font-size: 0.9rem;
}

.npsh-progress {
    height: 5px;
    margin: 0.7rem 0 0.9rem;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(var(--rgb-comment), 0.22);
}

.npsh-progress span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
    transition: width 0.25s ease;
}

.npsh-check-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.npsh-check-list li {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem;
    border-radius: 8px;
    background: rgba(var(--rgb-bg-secondary), 0.22);
}

.npsh-check-list li > i {
    display: grid;
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    place-items: center;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: transparent;
    font-size: 0.65rem;
}

.npsh-check-list li strong,
.npsh-check-list li small {
    display: block;
}

.npsh-check-list li strong {
    color: var(--fg-secondary);
    font-size: 0.76rem;
}

.npsh-check-list li small {
    margin-top: 0.08rem;
    color: rgba(var(--rgb-comment), 0.9);
    font-size: 0.65rem;
}

.npsh-check-list li.is-ready {
    background: rgba(var(--rgb-green), 0.05);
}

.npsh-check-list li.is-ready > i {
    border-color: rgba(var(--rgb-green), 0.32);
    background: rgba(var(--rgb-green), 0.1);
    color: var(--accent-green);
}

.npsh-check-list li.is-ready strong {
    color: var(--foreground);
}

.npsh-live-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px solid rgba(var(--rgb-fg), 0.08);
}

.npsh-live-summary > span {
    grid-column: 1 / -1;
}

.npsh-live-summary > div {
    min-width: 0;
    padding: 0.45rem;
    border-radius: 7px;
    background: rgba(var(--rgb-bg-secondary), 0.25);
}

.npsh-live-summary small,
.npsh-live-summary strong {
    display: block;
}

.npsh-live-summary small {
    color: var(--accent-purple);
    font-size: 0.68rem;
}

.npsh-live-summary strong {
    margin-top: 0.12rem;
    overflow: hidden;
    color: var(--foreground);
    font-size: 0.67rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.npsh-side-tip {
    display: flex;
    gap: 0.55rem;
    margin-top: 0.85rem;
    padding: 0.7rem;
    border-radius: 8px;
    background: rgba(var(--rgb-yellow), 0.05);
    color: var(--accent-yellow);
}

.npsh-side-tip p {
    margin: 0;
    color: var(--fg-secondary);
    font-size: 0.7rem;
    line-height: 1.4;
}

#npshResult {
    scroll-margin-top: 1rem;
}

#npshResult:focus {
    outline: none;
}

.npsh-result-shell {
    padding: 1.15rem;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    background: rgba(var(--rgb-bg), 0.72);
}

.result-container.result-warning {
    border-color: rgba(var(--rgb-yellow), 0.28);
}

.npsh-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.npsh-result-header h3 {
    margin: 0.2rem 0 0;
    color: var(--foreground);
    font-size: 1.15rem;
}

.npsh-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.42rem 0.65rem;
    border-radius: 999px;
    font-size: 0.73rem;
    font-weight: 800;
}

.npsh-result--adequado .npsh-status-badge {
    background: rgba(var(--rgb-green), 0.1);
    color: var(--accent-green);
}

.npsh-result--inadequado .npsh-status-badge {
    background: rgba(var(--rgb-red), 0.1);
    color: var(--accent-red);
}

.npsh-result--nao_avaliado .npsh-status-badge {
    background: rgba(var(--rgb-yellow), 0.1);
    color: var(--accent-yellow);
}

.npsh-result-hero {
    margin: 1rem 0;
    padding: 1rem;
    border-left: 3px solid var(--accent-cyan);
    border-radius: 0 10px 10px 0;
    background: rgba(var(--rgb-cyan), 0.05);
}

.npsh-result-hero > span,
.npsh-result-kpis span,
.npsh-result-loss span {
    display: block;
    color: var(--fg-secondary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.npsh-result-hero > strong {
    display: block;
    margin-top: 0.15rem;
    color: var(--accent-cyan);
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1;
}

.npsh-result-hero > strong small {
    margin-left: 0.35rem;
    color: var(--fg-secondary);
    font-size: 0.9rem;
}

.npsh-result-hero p {
    margin: 0.45rem 0 0;
    color: var(--fg-secondary);
    font-size: 0.78rem;
}

.npsh-result-kpis,
.npsh-result-loss {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}

.npsh-result-kpis > div,
.npsh-result-loss > div {
    padding: 0.75rem;
    border: 1px solid rgba(var(--rgb-fg), 0.08);
    border-radius: 9px;
    background: rgba(var(--rgb-bg-secondary), 0.25);
}

.npsh-result-kpis strong,
.npsh-result-loss strong {
    display: block;
    margin-top: 0.25rem;
    color: var(--foreground);
    font-size: 1rem;
}

.npsh-result-kpis small {
    color: var(--fg-secondary);
    font-size: 0.65rem;
}

.npsh-result-kpis .is-negative strong {
    color: var(--accent-red);
}

.npsh-result-loss {
    position: relative;
    margin: 0.75rem 0 0;
    padding: 0 0 1.6rem;
    border: 0;
    background: transparent;
}

.npsh-result-loss > small {
    position: absolute;
    bottom: 0;
    left: 0;
    color: var(--fg-secondary);
}

.npsh-result-recommendation {
    margin-top: 0.85rem;
}

.npsh-result-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
    margin-top: 0.8rem;
}

.npsh-result-details details {
    border: 1px solid rgba(var(--rgb-fg), 0.08);
    border-radius: 8px;
    background: rgba(var(--rgb-bg-secondary), 0.16);
}

.npsh-result-details summary {
    padding: 0.7rem;
    color: var(--fg-secondary);
    cursor: pointer;
    font-size: 0.76rem;
}

.npsh-result-details summary i {
    margin-right: 0.4rem;
    color: var(--accent-cyan);
}

.npsh-result-details .calc-details,
.npsh-result-explanation {
    padding: 0 0.75rem 0.75rem;
}

.npsh-result-explanation p {
    margin: 0 0 0.55rem;
    color: var(--fg-secondary);
    font-size: 0.75rem;
    line-height: 1.5;
}

.npsh-pieces-actions {
    position: sticky;
    bottom: 0;
    padding-bottom: max(0.85rem, env(safe-area-inset-bottom));
    background: var(--bg-card);
}

@media (max-width: 1180px) {
    .npsh-field-grid--four {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .npsh-segment-fields {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1000px) {
    .npsh-workspace {
        grid-template-columns: 1fr;
    }

    .npsh-side-panel {
        position: static;
    }

    .npsh-check-list {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .npsh-page-header,
    .npsh-submit-bar,
    .npsh-result-header {
        align-items: stretch;
        flex-direction: column;
    }

    .npsh-page-header,
    .npsh-card > .card-content {
        padding: 1rem;
    }

    .npsh-header-formula {
        width: 100%;
        min-width: 0;
    }

    .npsh-field-grid--four,
    .npsh-field-grid--two,
    .npsh-mode-selector,
    .npsh-segment-fields,
    .npsh-check-list,
    .npsh-result-kpis,
    .npsh-result-loss,
    .npsh-result-details {
        grid-template-columns: 1fr;
    }

    .npsh-auto-chip {
        display: none;
    }

    .npsh-manual-loss,
    .npsh-optional-field .form-group {
        max-width: none;
    }

    .npsh-submit-actions {
        flex-direction: column-reverse;
    }

    .npsh-submit-actions .btn,
    .npsh-primary-action,
    .npsh-loss-button {
        width: 100%;
        min-width: 0;
    }

    .npsh-suction-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .npsh-piece-row {
        padding: 0.75rem 0;
    }
}
.result-stale-warning {
    display: flex; gap: .65rem; align-items: flex-start; margin-bottom: .75rem; padding: .75rem;
    border: 1px solid rgba(var(--rgb-orange), .45); border-radius: 8px; color: var(--accent-orange); background: rgba(var(--rgb-orange), .08);
}
.result-is-stale { outline: 2px solid rgba(var(--rgb-orange), .28); }
.result-is-stale [aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
.it25-draft-recovery {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    margin: .75rem auto; padding: .75rem 1rem; max-width: 1400px;
    border: 1px solid rgba(var(--rgb-yellow), .35); border-radius: 10px; background: rgba(var(--rgb-yellow), .07);
}
.it25-draft-recovery > div { display: flex; align-items: center; gap: .6rem; }
.it25-draft-recovery span { display: grid; gap: .1rem; }
.it25-draft-recovery small { color: var(--fg-secondary); }
@media (max-width: 640px) {
    .it25-draft-recovery { align-items: stretch; flex-direction: column; }
    .it25-draft-recovery > div:last-child .btn { flex: 1; }
}
@media (pointer: coarse) {
    button, .btn, [role="button"], .tab-button { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ── Alternância de tema claro/escuro (cabeçalho) ─────────────── */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 999px;
    background: rgba(var(--rgb-purple), 0.1);
    border: 1px solid rgba(var(--rgb-purple), 0.25);
    color: var(--accent-purple);
    font-size: 1rem;
}
.theme-toggle:hover:not(.feature-card) {
    background: rgba(var(--rgb-purple), 0.18);
    border-color: rgba(var(--rgb-purple), 0.45);
}

/* ── Tema claro: superfícies com cor fixa ─────────────────────── */
:root[data-theme="light"] .app-header {
    background: linear-gradient(135deg, #ffffff 0%, #eceef6 100%);
    box-shadow: 0 2px 14px rgba(31, 33, 48, 0.08);
}
:root[data-theme="light"] .tab-dd-menu,
:root[data-theme="light"].platform-ui-enabled .nav-scroll-button,
:root[data-theme="light"].platform-ui-enabled .command-palette-card { background: var(--bg-card); }
:root[data-theme="light"].platform-ui-enabled .command-palette { background: rgba(31, 33, 48, 0.35); }
:root[data-theme="light"].platform-ui-enabled .module-subnav { background: rgba(255, 255, 255, 0.97); }
:root[data-theme="light"] .fireblock-dialog-card {
    background: var(--bg-card);
    border-color: var(--border-color);
}
:root[data-theme="light"] .fireblock-dialog.is-danger .fireblock-dialog-icon,
:root[data-theme="light"].platform-ui-enabled .field-error { color: var(--accent-red); }
:root[data-theme="light"] .welcome-section {
    background:
        radial-gradient(ellipse at 20% 0%, rgba(var(--rgb-purple), 0.08) 0%, transparent 52%),
        radial-gradient(ellipse at 80% 0%, rgba(var(--rgb-pink), 0.05) 0%, transparent 52%),
        linear-gradient(180deg, #ffffff 0%, #f1f2f9 100%);
    box-shadow: 0 12px 36px rgba(31, 33, 48, 0.08);
}
:root[data-theme="light"] .npsh-suction-builder { background: rgba(255, 255, 255, 0.7); }