/* Design System & Variáveis de Cores Premium */
:root {
    --transition-speed: 200ms;
    --transition-curve: cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Tema Escuro (Padrão de Alto Contraste Neon) */
    --bg-app: #030508;
    --bg-sidebar: #06090D;
    --bg-content: #06090D;
    --bg-card: rgba(12, 17, 26, 0.90);
    --border-color: rgba(0, 210, 255, 0.45);
    --border-hover: rgba(0, 210, 255, 0.75);
    --text-primary: #ffffff;
    --text-secondary: #c2d2e3;
    --text-muted: #7d90a6;
    --accent-color: #00D2FF;
    --accent-glow: rgba(0, 210, 255, 0.30);
    
    --bg-key: rgba(36, 48, 68, 0.95);
    --bg-key-hover: rgba(48, 64, 90, 0.98);
    --bg-key-active: rgba(60, 80, 112, 1);
    --text-key: #ffffff;
    
    --bg-key-fn: rgba(255, 255, 255, 0.08);
    --bg-key-op: rgba(0, 210, 255, 0.15);
    --text-key-op: #00D2FF;
    --bg-key-eq: linear-gradient(135deg, #0066FF, #00D2FF);
    --text-key-eq: #ffffff;
    
    --bg-display: radial-gradient(circle at 85% 65%, rgba(0, 210, 255, 0.22) 0%, transparent 65%), linear-gradient(180deg, #020305 0%, #06090D 100%);
    --shadow-display: inset 0 2px 8px rgba(0, 0, 0, 0.95);
    --text-display-primary: #e6f9ff;
    --text-display-secondary: #a0b7c9;
    --text-glow-display: 0 0 14px rgba(0, 210, 255, 0.60);

    --border-display-top: 1px solid rgba(0, 210, 255, 0.35);
    --border-display-bottom: 3px solid rgba(0, 210, 255, 0.65);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.85);
    --shadow-key: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 2px 4px rgba(0, 0, 0, 0.4), 0 0 1px rgba(0, 210, 255, 0.25);
}

body.light-theme {
    /* Tema Claro */
    --bg-app: #f3f4f6;
    --bg-sidebar: #ffffff;
    --bg-content: #ffffff;
    --bg-card: rgba(0, 0, 0, 0.02);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.16);
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --accent-color: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.1);
    
    --bg-key: #ffffff;
    --bg-key-hover: #f9fafb;
    --bg-key-active: #f3f4f6;
    --text-key: #111827;
    
    --bg-key-fn: #f3f4f6;
    --bg-key-op: rgba(37, 99, 235, 0.08);
    --text-key-op: #2563eb;
    --bg-key-eq: #2563eb;
    --text-key-eq: #ffffff;
    
    --bg-display: linear-gradient(180deg, #ffffff 0%, #f4f6f8 100%);
    --shadow-display: inset 0 2px 6px rgba(0, 0, 0, 0.04);
    --text-display-primary: #111827;
    --text-display-secondary: #4b5563;
    --text-glow-display: none;

    --border-display-top: 1px solid rgba(37, 99, 235, 0.15);
    --border-display-bottom: 2.5px solid rgba(37, 99, 235, 0.45);
    --shadow-inset: inset 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-key: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* --- ESTRUTURA GERAL --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    user-select: none;
    -webkit-user-select: none;
}

html, body {
    width: 100%;
    height: 100%;
    height: 100dvh;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

body {
    background: radial-gradient(circle at center, #0c121d 0%, #030508 100%);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color var(--transition-speed) ease;
}

body.light-theme {
    background: radial-gradient(circle at center, #f4f6f9 0%, #e2e8f0 100%);
}

.app-container {
    width: 420px;
    height: 600px;
    display: flex;
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    overflow: hidden;
    position: relative;
}

@media (max-width: 480px) {
    .app-container {
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        border-radius: 0;
        border: none;
    }
}

/* --- SIDEBAR LATERAL --- */
.sidebar {
    width: 65px;
    height: 100%;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 0;
    gap: 4px;
    z-index: 10;
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.sidebar-divider {
    width: 28px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 1px 0;
    opacity: 0.5;
    flex-shrink: 0;
}

.nav-item {
    width: 44px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) var(--transition-curve);
    position: relative;
}

.nav-icon {
    font-size: 15px;
    margin-bottom: 1px;
}

.nav-label {
    font-size: 6.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    display: block;
}

.nav-item:hover {
    background-color: var(--bg-key-hover);
    border-color: var(--border-color);
}

.nav-item.active {
    background-color: var(--accent-glow);
    border-color: rgba(79, 140, 255, 0.25);
    color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

body.light-theme .nav-item.active {
    border-color: rgba(37, 99, 235, 0.2);
}

.nav-item.active .nav-label {
    color: var(--accent-color);
}

/* --- CONTEÚDO PRINCIPAL --- */
.main-content {
    flex: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-content);
    overflow: hidden;
    position: relative;
}

/* --- CABEÇALHO --- */
.app-header {
    height: 50px;
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 8px;
}

.app-logo {
    font-size: 18px;
    color: var(--accent-color);
}

.app-name {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    gap: 6px;
}

.header-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition-speed) ease;
}

.header-btn:hover {
    background-color: var(--bg-key-hover);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* --- VISOR / DISPLAY --- */
.display-container {
    height: 100px;
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-end;
    border-top: var(--border-display-top);
    border-bottom: var(--border-display-bottom);
    background: var(--bg-display);
    box-shadow: var(--shadow-display);
    flex-shrink: 0;
    box-sizing: border-box;
}

.display-formula {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--text-display-secondary);
    min-height: 20px;
    word-break: break-all;
    text-align: right;
    width: 100%;
}

.display-result {
    font-family: 'JetBrains Mono', monospace;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-display-primary);
    word-break: break-all;
    text-align: right;
    width: 100%;
    margin-top: 4px;
    line-height: 1.1;
    overflow: hidden;
    text-shadow: var(--text-glow-display);
}

/* --- PAINÉIS DE TECLADO --- */
.keyboards-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.05);
}

.keyboard-pane {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.98);
    transition: opacity var(--transition-speed) var(--transition-curve), 
                transform var(--transition-speed) var(--transition-curve);
    padding: 8px 12px 12px 12px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.keyboard-pane.active {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
}

/* --- GRIDS DE TECLADO --- */
.keys-grid {
    display: grid;
    gap: 6px;
    width: 100%;
    height: 100%;
}

.simple-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(5, 1fr);
}

.scientific-grid {
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(9, 1fr);
}

.compact-pad {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 1fr);
    margin-top: auto;
    height: 160px;
    flex-shrink: 0;
}

/* --- TECLAS / BOTÕES --- */
.key-btn {
    background-color: var(--bg-key);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-key);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    outline: none;
    box-shadow: var(--shadow-key);
}

.key-btn:hover {
    background-color: var(--bg-key-hover);
    border-color: var(--border-hover);
}

.key-btn:active {
    background-color: var(--bg-key-active);
    transform: scale(0.96);
}

.key-btn:disabled {
    opacity: 0.22;
    cursor: not-allowed;
    pointer-events: none;
}

/* Teclas com estilos específicos */
.fn-key {
    background-color: var(--bg-key-fn);
    font-weight: 600;
}

.op-key {
    background-color: var(--bg-key-op);
    color: var(--text-key-op);
    font-weight: 600;
    font-size: 18px;
    border: 1px solid rgba(0, 210, 255, 0.55);
    text-shadow: 0 0 4px rgba(0, 210, 255, 0.4);
}

.op-key:hover {
    border-color: rgba(0, 210, 255, 0.85);
}

.sci-key {
    background-color: var(--bg-key);
    font-size: 13px;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.eq-key {
    background: var(--bg-key-eq);
    color: var(--text-key-eq);
    font-weight: 700;
    font-size: 20px;
    border: 1px solid rgba(0, 210, 255, 0.65);
    box-shadow: 0 4px 16px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

body.light-theme .eq-key {
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    border-color: var(--border-color);
}

/* Custom sizes */
.double {
    grid-column: span 2;
}

.double-right {
    grid-column: span 3;
    grid-row: span 1;
}

/* --- ELEMENTOS DE FORMULÁRIO (CONVERSORES, FINANÇAS, IMC) --- */
.panel-inputs-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    padding-right: 2px;
}

/* Estilo para barra de rolagem */
.panel-inputs-layout::-webkit-scrollbar {
    width: 4px;
}
.panel-inputs-layout::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.input-row {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 8px;
    width: 100%;
}

.input-row-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
    margin-bottom: 8px;
}

.input-wrap-half {
    flex: 1;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.input-wrap-third {
    flex: 1;
    min-width: 80px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.panel-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.panel-select, .panel-input, .panel-textarea {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 10px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-inset);
}

.panel-select:focus, .panel-input:focus, .panel-textarea:focus {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-inset), 0 0 0 3px var(--accent-glow);
}

.panel-textarea {
    resize: none;
    height: 65px;
}

/* --- CONVERSION BOX (UNIDADES & MOEDAS) --- */
.conversion-box {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    margin-bottom: 8px;
    box-shadow: var(--shadow-inset);
}

.box-field {
    display: flex;
    gap: 8px;
    align-items: center;
}

.box-field .panel-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 16px;
    font-weight: 600;
    padding: 4px 0;
    box-shadow: none;
}

.box-field .panel-input.output-val {
    color: var(--accent-color);
}

.unit-select {
    width: 100px;
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 4px 6px;
    font-size: 11px;
    font-weight: 600;
    outline: none;
}

.swap-divider {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin: 2px 0;
    cursor: pointer;
}

.swap-divider:hover {
    color: var(--accent-color);
}

/* --- SEÇÃO DE MOEDAS --- */
.currency-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4px;
    margin-bottom: 12px;
}

.currency-rate-info {
    font-size: 10px;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.sync-rates-btn {
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
}

.sync-rates-btn:hover {
    text-decoration: underline;
}

/* --- STATS GRID --- */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    margin-bottom: 8px;
    box-shadow: var(--shadow-inset);
}

.stats-item {
    font-size: 11px;
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.02);
    padding-bottom: 4px;
}

body.light-theme .stats-item {
    border-bottom-color: rgba(0,0,0,0.02);
}

.stats-item strong {
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

/* --- PORCENTAGEM & SUBTABS --- */
.percentage-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.mode-tabs {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3px;
    margin-bottom: 15px;
    width: 100%;
}

.tab-sub {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 0;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-sub.active {
    background-color: var(--bg-app);
    color: var(--text-primary);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.sub-pane {
    display: none;
    flex-direction: column;
    flex: 1;
}

.sub-pane.active {
    display: flex;
}

.pct-form-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.inline-input {
    width: 70px;
    text-align: center;
    padding: 6px;
}

.submit-btn {
    background: var(--accent-gradient);
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 10px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.submit-btn:hover {
    opacity: 0.9;
}

.submit-btn:active {
    transform: scale(0.98);
}

.inline-btn {
    width: auto;
    padding: 6px 12px;
}

/* Regra de Três */
.three-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
    box-shadow: var(--shadow-inset);
}

.three-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.three-row .panel-input {
    flex: 1;
    text-align: center;
    font-weight: 600;
}

.three-arrow {
    color: var(--text-muted);
    font-size: 16px;
}

/* --- DATAS --- */
.date-results {
    transition: all 0.3s ease;
}

/* --- MODAL CONFIG --- */
.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-speed) ease;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    width: 345px;
    max-height: 480px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    transform: scale(0.9);
    transition: transform var(--transition-speed) var(--transition-curve);
    box-sizing: border-box;
}

.modal-overlay.show .modal-card {
    transform: scale(1);
}

/* --- HISTÓRICO DE CÁLCULOS DROPDOWN --- */
.history-dropdown {
    position: absolute;
    top: 5px;
    left: 10px;
    right: 10px;
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
    z-index: 200;
    max-height: 100px;
    overflow-y: auto;
    display: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.history-dropdown.show {
    display: block;
}
.history-item {
    padding: 6px 12px;
    font-size: 11px;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.15s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.history-item:last-child {
    border-bottom: none;
}
.history-item:hover {
    background: var(--bg-key-hover);
    color: var(--text-primary);
}

/* --- CALCULADORA DE MATRIZES --- */
.matrices-layout {
    display: flex;
    flex-direction: column;
    gap: 8px;
    height: 100%;
    overflow-y: auto;
}

.matrix-ctrl-row {
    display: flex;
    gap: 10px;
    width: 100%;
    margin-bottom: 2px;
}

.matrix-dim-tabs, .matrix-mode-tabs {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2px;
    width: 100%;
}

.tab-dim, .tab-mode {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 700;
    padding: 5px 0;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.tab-dim.active, .tab-mode.active {
    background-color: var(--bg-app);
    color: var(--text-primary);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

.matrix-grids-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.matrix-grid-block {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    box-shadow: var(--shadow-inset);
}

.matrix-grid-block.hidden {
    display: none;
}

.matrix-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.matrix-input-grid {
    display: grid;
    gap: 6px;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.matrix-cell-input {
    width: 100%;
    max-width: 60px;
    height: 28px;
    background: rgba(4, 6, 9, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    outline: none;
    padding: 2px;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-inset);
}

.matrix-cell-input:focus {
    border-color: var(--accent-color);
    background: rgba(79, 140, 255, 0.05);
    box-shadow: var(--shadow-inset), 0 0 0 2px var(--accent-glow);
}

.matrix-param-row {
    display: flex;
    gap: 8px;
    width: 100%;
}

.matrix-ops-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    width: 100%;
    margin-top: 4px;
}

.matrix-op-btn {
    background-color: var(--bg-key-fn);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    padding: 8px 4px;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.matrix-op-btn:hover:not(:disabled) {
    background-color: var(--bg-key-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.matrix-op-btn:active:not(:disabled) {
    transform: scale(0.96);
}

.matrix-op-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.matrix-op-btn.binary-op {
    background-color: var(--bg-key-op);
    color: var(--text-key-op);
}

.matrix-op-btn.binary-op:hover:not(:disabled) {
    background-color: rgba(79, 140, 255, 0.18);
}

.matrix-result-grid {
    display: grid;
    gap: 5px;
    justify-content: center;
    align-items: center;
    background: rgba(4, 6, 9, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    max-width: 260px;
    margin: 0 auto;
    box-shadow: var(--shadow-inset);
}

.matrix-result-cell {
    width: 58px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.40);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--accent-color);
    font-size: 11px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-shadow: var(--shadow-inset);
    text-shadow: 0 0 4px rgba(0, 210, 255, 0.4);
}

body.light-theme .matrix-result-cell {
    background: rgba(0, 0, 0, 0.03);
    border-color: var(--border-color);
    color: var(--accent-color);
    text-shadow: none;
}

/* --- ANIMAÇÕES E ESTILOS EXTRA DE SAÚDE --- */
@keyframes pulseAlert {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
        border-color: rgba(239, 68, 68, 0.6);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
        border-color: rgba(239, 68, 68, 1);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
        border-color: rgba(239, 68, 68, 0.6);
    }
}

.pulse-alert {
    animation: pulseAlert 1.5s infinite;
}

/* --- CALCULADORA PROGRAMADOR --- */
#pane-programmer {
    display: none;
    flex-direction: column;
    height: 100%;
}

#pane-programmer.active {
    display: flex;
}

.prog-bases-container {
    display: flex;
    flex-direction: column;
    padding: 6px 12px;
    background: rgba(3, 5, 8, 0.95);
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-inset);
}

.prog-base-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 8px;
    margin-bottom: 2px;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-speed) ease;
}

.prog-base-row:hover:not(.active) {
    background: rgba(0, 210, 255, 0.04);
}

.prog-base-row.active {
    background: rgba(0, 210, 255, 0.12);
    border-color: rgba(0, 210, 255, 0.45);
    box-shadow: 0 0 8px rgba(0, 210, 255, 0.15);
}

.base-lbl {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    color: var(--accent-color);
    width: 40px;
    text-transform: uppercase;
}

.base-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: right;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.prog-options-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 12px;
    background: rgba(5, 7, 10, 0.90);
    border-bottom: 1px solid var(--border-color);
}

.prog-opt-group {
    display: flex;
    gap: 6px;
}

.prog-opt-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 9px;
    font-weight: 700;
    padding: 3px 6px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.prog-opt-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.06);
}

.prog-opt-btn.active {
    background: var(--accent-glow);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

/* Bit Board Grid */
.prog-bit-grid {
    display: none;
    flex-direction: column;
    gap: 3px;
    padding: 6px 12px;
    background: rgba(2, 3, 5, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-inset);
}

.prog-bit-grid.show {
    display: flex;
}

.bit-row {
    display: flex;
    justify-content: space-between;
    gap: 2px;
}

.bit-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    cursor: pointer;
    padding: 1px 0;
    border-radius: 3px;
    transition: background 0.1s;
}

.bit-box:hover {
    background: rgba(255, 255, 255, 0.05);
}

.bit-val {
    font-size: 8px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
}

.bit-val.on {
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 0 6px var(--accent-color);
}

.bit-idx {
    font-size: 5.5px;
    color: var(--text-muted);
    transform: scale(0.9);
}

/* Grid de Teclas Programador */
.programmer-grid {
    grid-template-columns: repeat(6, 1fr) !important;
    gap: 6px !important;
    padding: 10px 12px !important;
    flex: 1;
}

/* Ajustes no Light Theme para o Programador */
body.light-theme .prog-bases-container {
    background: rgba(0, 0, 0, 0.02);
}
body.light-theme .prog-base-row.active {
    background: rgba(37, 99, 235, 0.06);
    border-color: rgba(37, 99, 235, 0.2);
}
body.light-theme .prog-options-bar {
    background: rgba(0, 0, 0, 0.04);
}
body.light-theme .prog-bit-grid {
    background: rgba(0, 0, 0, 0.05);
}
body.light-theme .bit-box:hover {
    background: rgba(0, 0, 0, 0.04);
}
body.light-theme .prog-base-row:hover {
    background: rgba(0, 0, 0, 0.03);
}

/* --- RESULT CARDS OVERRIDES FOR HIGH CONTRAST --- */
.finance-results, .health-result-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-inset) !important;
}

.date-results {
    background: rgba(16, 185, 129, 0.08) !important;
    border: 1px dashed rgba(16, 185, 129, 0.45) !important;
    box-shadow: var(--shadow-inset) !important;
    transition: all 0.3s ease;
}

#finFireResult {
    background: rgba(16, 185, 129, 0.08) !important;
    border: 1px dashed rgba(16, 185, 129, 0.45) !important;
    box-shadow: var(--shadow-inset) !important;
}

.pulse-alert {
    animation: pulseAlert 1.5s infinite;
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: rgba(239, 68, 68, 0.8) !important;
}

/* --- TABS DO MODAL --- */
.modal-tabs {
    display: flex;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    justify-content: space-around;
}

.modal-tab-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 8px 12px;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border-bottom: 2px solid transparent;
}

.modal-tab-btn:hover {
    color: var(--text-primary);
}

.modal-tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    text-shadow: 0 0 8px var(--accent-glow);
}

/* --- PAINÉIS DO MODAL --- */
.modal-pane {
    display: none;
    width: 100%;
    flex: 1;
    flex-direction: column;
    text-align: left;
    overflow: hidden;
}

.modal-pane.active {
    display: flex;
}

/* --- ROLAGEM DO GUIA TÉCNICO --- */
.modal-guide-scroll {
    max-height: 250px;
    overflow-y: auto;
    padding-right: 4px;
    margin-bottom: 12px;
}

.modal-guide-scroll::-webkit-scrollbar {
    width: 6px;
}

.modal-guide-scroll::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}

.modal-guide-scroll::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.modal-guide-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* --- SANFONA (ACCORDION) DO GUIA TÉCNICO --- */
.guide-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 210, 255, 0.15);
    border-radius: 8px;
    margin-bottom: 8px;
    overflow: hidden;
    transition: all var(--transition-speed) ease;
}

.guide-card:hover {
    border-color: rgba(0, 210, 255, 0.35);
    background: rgba(255, 255, 255, 0.05);
}

.guide-card.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 8px rgba(0, 210, 255, 0.15);
}

.guide-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    cursor: pointer;
    user-select: none;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.1);
}

.guide-header .guide-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.guide-header .guide-chevron {
    font-size: 10px;
    transition: transform var(--transition-speed) ease;
    color: var(--text-muted);
}

.guide-card.active .guide-chevron {
    transform: rotate(180deg);
    color: var(--accent-color);
}

.guide-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease-out;
    background: rgba(0, 0, 0, 0.15);
}

.guide-body {
    padding: 12px;
    font-size: 11px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.guide-body h4 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-color);
}

.guide-body p {
    margin: 0 0 8px 0;
}

.guide-body p:last-child {
    margin-bottom: 0;
}

.guide-formula {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 10.5px;
    color: var(--text-primary);
    margin-bottom: 8px;
    overflow-x: auto;
    white-space: nowrap;
}

.guide-fields-list {
    margin: 6px 0 0 0;
    padding-left: 16px;
}

.guide-fields-list li {
    margin-bottom: 4px;
}

.guide-fields-list li strong {
    color: var(--text-primary);
}

/* --- TEMA CLARO ADAPTAÇÕES --- */
body.light-theme .modal-tab-btn.active {
    color: #0066FF;
    border-bottom-color: #0066FF;
    text-shadow: none;
}

body.light-theme .guide-card {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.08);
}

body.light-theme .guide-card:hover {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.16);
}

body.light-theme .guide-card.active {
    border-color: #0066FF;
    box-shadow: 0 0 6px rgba(0, 102, 255, 0.1);
}

body.light-theme .guide-header {
    background: rgba(0, 0, 0, 0.03);
    color: var(--text-primary);
}

body.light-theme .guide-content {
    background: rgba(0, 0, 0, 0.01);
}

body.light-theme .guide-body h4 {
    color: #0066FF;
}

body.light-theme .guide-formula {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

/* --- ESTILOS DO MÓDULO AI --- */
.ai-chip {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 9px;
    font-weight: 600;
    padding: 3px 8px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.ai-chip:hover {
    background: rgba(0, 210, 255, 0.1);
    border-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 0 6px var(--accent-glow);
}

.ai-history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 9.5px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-speed) ease;
    gap: 8px;
}

.ai-history-item:hover {
    background: rgba(0, 210, 255, 0.08);
    color: var(--accent-color);
}

.ai-history-item .hist-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ai-history-item .hist-date {
    font-size: 8px;
    color: var(--text-muted);
}

/* --- TEMA CLARO ADAPTAÇÕES --- */
body.light-theme .ai-chip {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

body.light-theme .ai-chip:hover {
    background: rgba(0, 102, 255, 0.08);
    border-color: #0066FF;
    color: #0066FF;
    box-shadow: none;
}

body.light-theme .ai-history-item:hover {
    background: rgba(0, 102, 255, 0.05);
    color: #0066FF;
}

body.light-theme .ai-header-bar {
    background: rgba(0, 102, 255, 0.05) !important;
    border-color: rgba(0, 102, 255, 0.15) !important;
}

body.light-theme #aiHistoryWrapper {
    border-color: rgba(0, 0, 0, 0.08) !important;
    background: rgba(0, 0, 0, 0.02) !important;
}

body.light-theme #aiHistoryHeader {
    background: rgba(0, 0, 0, 0.04) !important;
}


/* --- ESTILOS DA LANDING PAGE E PÁGINAS INSTITUCIONAIS --- */
html:has(body.landing-page),
html.landing-html {
    overflow-y: auto !important;
    overflow-x: hidden !important;
    height: auto !important;
}

body.landing-page {
    overflow-y: auto !important;
    overflow-x: hidden !important;
    display: block !important;
    height: auto !important;
    background: radial-gradient(circle at top, #0c121d 0%, #030508 100%);
    scroll-behavior: smooth;
}

body.landing-page.light-theme {
    background: radial-gradient(circle at top, #f4f6f9 0%, #e2e8f0 100%);
}

.landing-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(6, 9, 13, 0.75);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-speed) ease;
}

body.light-theme .landing-header {
    background: rgba(255, 255, 255, 0.75);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.landing-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.3rem;
}

.logo-text span {
    color: var(--accent-color);
}

.logo-text span span {
    color: var(--text-primary);
}

body.light-theme .logo-text span span {
    color: var(--text-primary);
}

.landing-nav {
    display: flex;
    gap: 32px;
}

.landing-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-speed) ease;
}

.landing-nav a:hover {
    color: var(--accent-color);
}

.cta-button {
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all var(--transition-speed) var(--transition-curve);
    cursor: pointer;
}

.header-cta {
    background: var(--bg-key-op);
    color: var(--accent-color);
    border: 1px solid var(--border-color);
}

.header-cta:hover {
    background: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 0 12px var(--accent-glow);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 140px 24px 80px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 30px;
    color: var(--accent-color);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.primary-cta {
    background: linear-gradient(135deg, #0066FF, #00D2FF);
    color: #ffffff;
    padding: 14px 28px;
    box-shadow: 0 4px 20px rgba(0, 210, 255, 0.3);
}

.primary-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 210, 255, 0.45);
}

.secondary-cta {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 28px;
}

.secondary-cta:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Preview Mockup */
.hero-preview {
    display: flex;
    justify-content: center;
}

.mockup-frame {
    width: 100%;
    max-width: 400px;
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
    overflow: hidden;
}

.mockup-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.mockup-header .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.mockup-title {
    margin-left: auto;
    margin-right: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.mockup-body {
    padding: 24px;
}

.preview-visor {
    background: var(--bg-display);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 12px;
    padding: 16px;
    text-align: right;
    box-shadow: var(--shadow-display);
    margin-bottom: 20px;
}

.preview-formula {
    font-size: 0.75rem;
    color: var(--text-display-secondary);
    margin-bottom: 4px;
}

.preview-result {
    font-size: 1.8rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--accent-color);
}

.preview-keyboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.preview-key {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 210, 255, 0.1);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    text-align: center;
    color: var(--text-secondary);
}

.preview-key.active {
    border-color: var(--accent-color);
    background: var(--accent-glow);
    color: var(--accent-color);
}

.preview-key.font-neon {
    color: var(--accent-color);
    font-weight: bold;
}

/* Features Section */
.features-section {
    padding: 80px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: all var(--transition-speed) var(--transition-curve);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-card.highlight {
    background: linear-gradient(135deg, rgba(6, 9, 13, 0.9) 0%, rgba(0, 210, 255, 0.1) 100%);
    border-color: var(--accent-color);
}

/* PWA Section */
.pwa-section {
    padding: 80px 24px;
    position: relative;
    overflow: hidden;
}

.pwa-glow {
    position: absolute;
    bottom: -10%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.pwa-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.pwa-content h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.pwa-content > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 40px;
}

.installation-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.step-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.step-num {
    background: var(--bg-key-op);
    color: var(--accent-color);
    font-weight: 800;
    font-size: 1.1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.step-text strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 4px;
}

.step-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.pwa-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #000000;
    border: 10px solid #1a1a1a;
    border-radius: 40px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
    overflow: hidden;
    position: relative;
}

.phone-screen {
    height: 100%;
    background: radial-gradient(circle at center, #0c121d 0%, #030508 100%);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.phone-app-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.phone-app-body {
    text-align: center;
    margin-top: auto;
    margin-bottom: auto;
}

.app-icon-large {
    font-size: 5rem;
    margin-bottom: 24px;
}

.phone-app-body h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.phone-status-text {
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-bottom: 32px;
}

.phone-cta {
    display: inline-block;
    background: var(--accent-color);
    color: #ffffff !important;
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* Footer */
.landing-footer {
    background: #020305;
    border-top: 1px solid var(--border-color);
    padding: 64px 24px 32px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.link-group h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.link-group a {
    display: block;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 10px;
    transition: color var(--transition-speed) ease;
}

.link-group a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 32px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-owner-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 700;
    transition: color var(--transition-speed) ease;
}

.footer-owner-link:hover {
    color: var(--accent-color);
}

/* --- ESTILOS DE PÁGINAS LEGAIS --- */
.legal-page {
    padding-top: 120px;
    max-width: 800px;
    margin: 0 auto 80px;
    padding-left: 24px;
    padding-right: 24px;
}

.legal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.legal-card h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.legal-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 16px;
}

.legal-content h2 {
    font-size: 1.3rem;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--accent-color);
}

.legal-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.legal-content ul {
    margin-left: 20px;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.legal-content li {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 8px;
}

.legal-back-link {
    display: inline-block;
    margin-bottom: 24px;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.legal-back-link:hover {
    text-decoration: underline;
}

/* Responsividade Mobile Landing */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .landing-nav {
        display: none;
    }
    
    .pwa-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .pwa-tabs {
        margin-left: auto;
        margin-right: auto;
    }
}

/* PWA Interactive Tabs & PC Mockup styles */
.pwa-tabs {
    display: flex;
    gap: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 6px;
    margin-bottom: 32px;
    max-width: 420px;
}

.pwa-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 16px;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-curve);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pwa-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.pwa-tab-btn.active {
    background: var(--accent-glow);
    color: var(--accent-color);
    border: 1px solid rgba(0, 210, 255, 0.25);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.pwa-steps-content {
    display: none;
}

.pwa-steps-content.active {
    display: block;
    animation: pwaFadeIn 0.3s ease-in-out;
}

.pwa-visual-content {
    display: none;
    width: 100%;
    justify-content: center;
}

.pwa-visual-content.active {
    display: flex;
    animation: pwaFadeIn 0.3s ease-in-out;
}

@keyframes pwaFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* PC Browser Mockup */
.pc-mockup {
    width: 100%;
    max-width: 440px;
}

.pc-browser-frame {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pc-browser-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.pc-browser-dots {
    display: flex;
    gap: 6px;
    margin-right: 16px;
}

.pc-browser-address {
    flex: 1;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    position: relative;
}

.address-lock {
    margin-right: 6px;
    font-size: 0.7rem;
}

.address-url {
    color: var(--text-secondary);
}

.pc-install-indicator {
    margin-left: auto;
    display: flex;
    align-items: center;
    cursor: pointer;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid var(--accent-color);
    padding: 2px 6px;
    border-radius: 4px;
    position: relative;
    animation: pwaPulseGlow 2s infinite;
}

@keyframes pwaPulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(0, 210, 255, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(0, 210, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 210, 255, 0); }
}

.pc-install-icon {
    font-size: 0.8rem;
    color: var(--accent-color);
}

.pc-install-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    right: 50%;
    transform: translateX(50%);
    background: #000;
    color: #fff;
    font-size: 0.65rem;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    border: 1px solid var(--border-color);
    opacity: 1;
    pointer-events: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.pc-install-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 4px;
    border-style: solid;
    border-color: #000 transparent transparent transparent;
}

.pc-browser-body {
    padding: 40px 24px;
    background: radial-gradient(circle at center, #0c121d 0%, #030508 100%);
    display: flex;
    justify-content: center;
    align-items: center;
}

.pc-app-preview {
    text-align: center;
}

.pc-app-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    display: block;
}

.pc-app-preview h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.pc-app-preview p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.pc-cta {
    display: inline-block;
    background: var(--accent-color);
    color: #ffffff !important;
    width: 180px;
    text-align: center;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.browser-icon-inline {
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid var(--accent-color);
    padding: 0 4px;
    border-radius: 4px;
    font-size: 0.85rem;
}