/* =================================================================
   CALCULADORA DE ORÇAMENTO CDL/UTV v5.0 - MODERN DESIGN SYSTEM
   Professional, minimalist interface with focus on aesthetics
   Organization: Variables > Reset > Layout > Components > Responsive
   ================================================================= */

/* -----------------------------------------------------------------
   1. DESIGN SYSTEM - CSS VARIABLES
   ----------------------------------------------------------------- */
:root {
    /* Cores Principais - CDL Blue */
    --primary: #1e478a;
    --primary-dark: #163769;
    --primary-light: #dbeafe;
    
    /* Cores Secundárias */
    --secondary: #64748b;
    --accent: #0ea5e9;
    
    /* Neutros */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Cores Semânticas */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Cores CDL - High-Contrast Dark */
    --accent-gold: #ffcc00;
    --accent-gold-15: rgba(255, 204, 0, 0.15);
    --accent-gold-20: rgba(255, 204, 0, 0.2);
    --accent-gold-30: rgba(255, 204, 0, 0.3);
    --success-cdl: #008444;
    --success-cdl-dark: #006633;
    
    /* Superfícies */
    --bg-primary: #ffffff;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --shadow: rgba(15, 23, 42, 0.08);
    
    /* Text Colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-700);
    
    /* Zebra Stripes */
    --zebra-stripe: rgba(241, 245, 249, 0.5);
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Tamanhos de Texto */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    
    /* Pesos de Fonte */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 var(--shadow);
    --shadow-md: 0 4px 6px -1px var(--shadow);
    --shadow-lg: 0 10px 15px -3px var(--shadow);
    --shadow-xl: 0 20px 25px -5px var(--shadow);
    
    /* Transições */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* -----------------------------------------------------------------
   1.1. DARK THEME VARIABLES - HIGH-CONTRAST CDL
   ----------------------------------------------------------------- */
.dark-theme {
    /* Cores Principais - CDL Blue for dark mode */
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-light: #1e3a8a;
    
    /* Cores Secundárias */
    --secondary: #94a3b8;
    --accent: #38bdf8;
    
    /* Neutros - invertidos para dark com melhor contraste */
    --gray-50: #1e293b;
    --gray-100: #0f172a;
    --gray-200: #334155;
    --gray-300: #475569;
    --gray-400: #64748b;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;
    
    /* Cores Semânticas - ajustadas para dark */
    --success: #22c55e;
    --warning: #fbbf24;
    --error: #f87171;
    --info: #60a5fa;
    
    /* Superfícies - High-Contrast Dark (CDL Identity) */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --border: #475569;
    --shadow: rgba(0, 0, 0, 0.3);
    
    /* Text Colors - Dark Theme com melhor contraste */
    --text-primary: #f1f5f9;
    --text-secondary: #e2e8f0;
    
    /* Zebra Stripes - Dark Theme */
    --zebra-stripe: rgba(30, 41, 59, 0.5);
}

/* -----------------------------------------------------------------
   2. RESET E ESTILOS BASE
   ----------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-secondary);
    min-height: 100vh;
    color: var(--gray-900);
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Dark theme text color override for absolute readability */
.dark-theme body {
    color: var(--text-primary);
}

/* -----------------------------------------------------------------
   3. LAYOUT - Container e estrutura principal
   ----------------------------------------------------------------- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-primary);
    min-height: 100vh;
}

/* -----------------------------------------------------------------
   4. HEADER (Cabeçalho)
   ----------------------------------------------------------------- */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    box-shadow: var(--shadow-md);
}

.header h1 {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    margin: 0;
    letter-spacing: -0.025em;
    line-height: var(--leading-tight);
}

.header-logo {
    height: 48px; /* Executive proportion */
    width: auto;
    object-fit: contain;
}

.header p {
    font-size: var(--text-sm);
    opacity: 0.95;
    font-weight: var(--font-medium);
    margin: 0;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    backdrop-filter: blur(10px);
    margin-top: 0;
}

/* -----------------------------------------------------------------
   5. TABS (Navegação por Abas)
   ----------------------------------------------------------------- */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
    white-space: nowrap;
}

.tab-btn:hover {
    background: var(--bg-primary);
    color: var(--primary);
    transform: translateY(-1px);
}

.tab-btn.active {
    background: var(--bg-primary);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    font-weight: var(--font-semibold);
}

/* Dark theme overrides for tabs */
.dark-theme .tab-btn:hover {
    color: var(--accent-gold);
}

.dark-theme .tab-btn.active {
    color: var(--accent-gold);
}

/* Ajuste de padding nas abas */
.tab-content {
    display: none;
    padding: var(--spacing-md);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* -----------------------------------------------------------------
   6. CARDS (Componentes de Conteúdo)
   ----------------------------------------------------------------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 0.75rem;
    transition: all var(--transition-slow);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--gray-900);
    margin: 0 0 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
}

/* Dark theme card title */
.dark-theme .card-title {
    color: var(--text-primary);
}

/* -----------------------------------------------------------------
   7. FORMULÁRIOS (Inputs, Selects, Checkboxes)
   ----------------------------------------------------------------- */
.form-group {
    margin-bottom: 0.75rem;
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

/* Dark theme label */
.dark-theme .form-group label {
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--text-base);
    color: var(--gray-900);
    background: var(--bg-primary);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-family: var(--font-primary);
}

/* Dark theme form control - Better contrast */
.dark-theme .form-control {
    color: var(--text-primary);
    background: #1e293b;
    border-color: #475569;
}

.dark-theme .form-control:hover {
    border-color: #64748b;
}

.dark-theme .form-control:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px var(--accent-gold-20);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control:hover {
    border-color: var(--gray-300);
}

/* Input Groups */
.input-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* Checkbox Groups */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.875rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.checkbox-group:hover {
    background: var(--gray-100);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
    border-radius: 4px;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    flex: 1;
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    color: var(--gray-700);
}

/* Dark theme overrides for checkboxes - Improved contrast */
.dark-theme .checkbox-group {
    background: #1e293b;
    border: 1.5px solid #475569;
}

.dark-theme .checkbox-group:hover {
    background: #334155;
    border-color: #64748b;
}

.dark-theme .checkbox-group input[type="checkbox"] {
    accent-color: var(--accent-gold);
}

.dark-theme .checkbox-group label {
    color: var(--text-primary);
}

/* Range Inputs */
.range-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.range-container input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    outline: none;
    -webkit-appearance: none;
}

.range-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--bg-primary);
    transition: all var(--transition-base);
}

.range-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.range-container input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--bg-primary);
    transition: all var(--transition-base);
}

.range-value {
    min-width: 60px;
    text-align: center;
    font-weight: var(--font-bold);
    font-size: var(--text-base);
    color: var(--primary);
    background: var(--primary-light);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
}

/* Dark theme range inputs */
.dark-theme .range-container input[type="range"] {
    background: #334155;
}

.dark-theme .range-container input[type="range"]::-webkit-slider-thumb {
    background: var(--accent-gold);
    border-color: var(--bg-card);
}

.dark-theme .range-container input[type="range"]::-moz-range-thumb {
    background: var(--accent-gold);
    border-color: var(--bg-card);
}

.dark-theme .range-value {
    color: var(--accent-gold);
    background: var(--accent-gold-15);
    border: 1px solid var(--accent-gold-30);
}

/* Extras Grid */
.extras-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

/* Sala Info */
.sala-info {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.sala-info strong {
    color: var(--primary-dark);
}

/* Dark theme sala-info */
.dark-theme .sala-info {
    background: rgba(59, 130, 246, 0.15);
    border-left-color: #60a5fa;
    color: #e2e8f0;
}

.dark-theme .sala-info strong {
    color: #60a5fa;
}

/* -----------------------------------------------------------------
   8. BOTÕES
   ----------------------------------------------------------------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    font-family: var(--font-primary);
    color: white;
    background: var(--primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

/* Dark theme button improvements */
.dark-theme .btn-secondary {
    background: #334155;
    color: #e2e8f0;
}

.dark-theme .btn-secondary:hover {
    background: #475569;
    color: #f1f5f9;
}

.btn-success {
    background: var(--success-cdl);
}

.btn-success:hover {
    background: var(--success-cdl-dark);
}

/* Primary calculate button uses CDL Green for trust and progress */
#calcular {
    background: var(--success-cdl);
}

#calcular:hover {
    background: var(--success-cdl-dark);
}

.btn-danger {
    background: var(--error);
}

.btn-danger:hover {
    background: #dc2626;
}

/* Botões pequenos para tabelas */
.btn-small {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
}

.btn-edit {
    background: var(--info);
    color: white;
}

.btn-edit:hover {
    background: #2563eb;
    transform: scale(1.05);
}

.btn-delete {
    background: var(--error);
    color: white;
}

.btn-delete:hover {
    background: #dc2626;
    transform: scale(1.05);
}

/* -----------------------------------------------------------------
   9. LAYOUT DA CALCULADORA - Grid de 2 colunas
   ----------------------------------------------------------------- */
.calculator-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

/* -----------------------------------------------------------------
   10. RESULTADOS - Box de valores e métricas
   ----------------------------------------------------------------- */
.result-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1.25rem;
    border-radius: var(--radius-xl);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.result-box h3 {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.result-box .value {
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    font-family: var(--font-mono);
    letter-spacing: -0.025em;
    color: var(--accent-gold);
}

/* Métricas Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metric-card {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.metric-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    background: var(--bg-primary);
}

.metric-card .label {
    font-size: var(--text-xs);
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-card .value {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary);
    font-family: var(--font-mono);
}

/* Dark theme overrides for metrics - Improved contrast */
.dark-theme .metric-card {
    background: #1e293b;
    border-color: #475569;
}

.dark-theme .metric-card:hover {
    border-color: var(--accent-gold);
    background: #334155;
}

.dark-theme .metric-card .label {
    color: #cbd5e1;
}

.dark-theme .metric-card .value {
    color: var(--accent-gold);
}

/* Detalhamento do Cálculo */
.breakdown {
    background: var(--gray-50);
    padding: 1rem;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.breakdown h4 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--text-sm);
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-item span:first-child {
    color: var(--gray-700);
    font-weight: var(--font-medium);
}

.breakdown-item span:last-child {
    font-weight: var(--font-semibold);
    color: var(--gray-900);
    font-family: var(--font-mono);
}

.breakdown-item.total {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--primary);
    border-bottom: none;
    font-size: var(--text-base);
}

.breakdown-item.total span {
    color: var(--primary);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
}

/* Dark theme overrides for breakdown - Improved readability */
.dark-theme .breakdown {
    background: #1e293b;
    border: 1px solid #475569;
}

.dark-theme .breakdown h4 {
    color: #f1f5f9;
}

.dark-theme .breakdown-item {
    border-bottom-color: #475569;
}

.dark-theme .breakdown-item span:first-child {
    color: #e2e8f0;
}

.dark-theme .breakdown-item span:last-child {
    color: #f1f5f9;
}

.dark-theme .breakdown-item.total {
    border-top-color: var(--accent-gold);
}

.dark-theme .breakdown-item.total span {
    color: var(--accent-gold);
}

/* Funcionários Detalhamento */
#funcionarios-detalhamento {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--primary-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

#funcionarios-detalhamento h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--primary-dark);
    font-size: var(--text-base);
}

#funcionarios-detalhamento-lista {
    font-size: var(--text-sm);
}

/* Dark theme funcionarios detalhamento */
.dark-theme #funcionarios-detalhamento {
    background: rgba(59, 130, 246, 0.15);
    border-left-color: #60a5fa;
}

.dark-theme #funcionarios-detalhamento h4 {
    color: #60a5fa;
}

/* Cost structure section */
#cost-structure {
    background: var(--gray-50);
}

/* Dark theme cost structure */
.dark-theme #cost-structure {
    background: #1e293b;
    border: 1px solid #475569;
}

/* Cost structure bars - hover effects */
#cost-bar-fixed:hover,
#cost-bar-variable:hover,
#cost-bar-extras:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    filter: brightness(1.1);
}

/* Cost structure detail panel */
#cost-detail-panel {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.dark-theme #cost-detail-panel {
    background: #1e293b !important;
    border-color: #475569 !important;
    color: #e2e8f0;
}

.dark-theme #cost-detail-title {
    color: #e2e8f0 !important;
}

.dark-theme #cost-detail-content {
    color: #cbd5e1 !important;
}

/* Slide down animation */
@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        max-height: 500px;
        transform: translateY(0);
    }
}

/* Active cost bar indicator */
.cost-bar-active {
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.2) !important;
    transform: scale(1.02);
    filter: brightness(1.1);
}

/* Botões de Exportação */
.export-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

/* -----------------------------------------------------------------
   11. TABELAS - Data tables para gerenciamento
   ----------------------------------------------------------------- */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.data-table thead {
    background: var(--gray-50);
}

.data-table th {
    padding: 0.4rem 0.75rem;
    text-align: left;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border);
}

.data-table tbody tr {
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--border);
}

/* Zebra stripes for tables - subtle gray */
.data-table tbody tr:nth-child(even) {
    background: var(--zebra-stripe);
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

.data-table tbody tr:last-child {
    border-bottom: none;
}

.data-table td {
    padding: 0.4rem 0.75rem;
    font-size: var(--text-sm);
    color: var(--gray-600);
}

/* Dark theme overrides for tables - Better contrast */
.dark-theme .data-table {
    background: var(--bg-card);
}

.dark-theme .data-table thead {
    background: #0f172a;
}

.dark-theme .data-table th {
    color: #e2e8f0;
    border-bottom-color: #475569;
}

.dark-theme .data-table tbody tr {
    border-bottom-color: #475569;
}

.dark-theme .data-table tbody tr:hover {
    background: #334155;
}

/* Dark theme zebra stripes */
.dark-theme .data-table tbody tr:nth-child(even) {
    background: rgba(15, 23, 42, 0.5);
}

.dark-theme .data-table td {
    color: #cbd5e1;
}

.data-table input[type="number"] {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    text-align: right;
    font-family: var(--font-mono);
}

.data-table input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

/* Dark theme table inputs */
.dark-theme .data-table input[type="number"] {
    background: #1e293b;
    border-color: #475569;
    color: #f1f5f9;
}

.dark-theme .data-table input[type="number"]:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 2px var(--accent-gold-20);
}

/* -----------------------------------------------------------------
   12. CONFIGURAÇÕES - Grid administrativo
   ----------------------------------------------------------------- */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    align-items: start;
    width: 100%;
}

/* NOVO: Modificador para coluna única (para tabelas full-width) */
.admin-grid.one-col {
    grid-template-columns: 1fr;
}

/* CORREÇÃO: Eliminar espaçamento duplo */
/* Remove margem inferior dos cards quando já estão dentro do gap do grid */
.calculator-grid .card,
.admin-grid .card {
    margin-bottom: 0;
    height: 100%;
}

.admin-grid .card:last-child {
    grid-column: 1 / -1;
}

/* Lista de Extras */
#extras-list .checkbox-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-primary);
    border: 1.5px solid var(--border);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

#extras-list .checkbox-group:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

/* Lista de Funcionários */
#funcionarios-list .checkbox-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-primary);
    border: 1.5px solid var(--border);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

#funcionarios-list .checkbox-group:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

/* Dark theme overrides for lists - Better visibility */
.dark-theme #extras-list .checkbox-group,
.dark-theme #funcionarios-list .checkbox-group {
    background: #1e293b;
    border-color: #475569;
}

.dark-theme #extras-list .checkbox-group:hover,
.dark-theme #funcionarios-list .checkbox-group:hover {
    border-color: var(--accent-gold);
    background: #334155;
}

/* -----------------------------------------------------------------
   13. NOTIFICAÇÕES
   ----------------------------------------------------------------- */
.notification {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    min-width: 320px;
    max-width: 400px;
    padding: 1rem 1.25rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--success);
    transform: translateX(450px);
    transition: transform var(--transition-slow);
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--gray-900);
}

.notification.show {
    transform: translateX(0);
    animation: slideInRight 0.3s ease;
}

.notification::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--success);
    color: white;
    border-radius: 50%;
    font-weight: var(--font-bold);
    font-size: var(--text-xs);
}

/* Dark theme overrides for notification */
.dark-theme .notification {
    background: var(--gray-800);
    border-left-color: var(--success-cdl);
    color: #e2e8f0;
}

.dark-theme .notification::before {
    background: var(--success-cdl);
}

/* -----------------------------------------------------------------
   14. BADGES / TAGS
   ----------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-error {
    background: #fee2e2;
    color: #991b1b;
}

/* -----------------------------------------------------------------
   15. ANIMAÇÕES
   ----------------------------------------------------------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(450px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* Loading Spinner Animation */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.loading-spinner {
    animation: spin 1s linear infinite;
}

/* -----------------------------------------------------------------
   16. IMPRESSÃO E PDF
   ----------------------------------------------------------------- */
#print-section {
    display: none;
}

@media print {
    body {
        background: white;
        padding: 0;
    }
    
    .container {
        box-shadow: none;
        border-radius: 0;
    }
    
    .tabs,
    .tab-btn,
    .export-buttons,
    .btn-primary,
    .notification {
        display: none !important;
    }
    
    .tab-content {
        display: block !important;
        padding: var(--spacing-lg);
    }
    
    .card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    .calculator-grid {
        grid-template-columns: 1fr;
    }
}

/* Estilos para geração de PDF */
.pdf-content,
#print-section {
    padding: var(--spacing-2xl);
    background: #ffffff !important;
    color: #0f172a !important;
    max-width: 800px;
    margin: 0 auto;
}

/* Forçar cores claras para impressão mesmo em dark theme */
@media print {
    .pdf-content,
    #print-section,
    .pdf-content *,
    #print-section * {
        background: #ffffff !important;
        color: #0f172a !important;
    }
}

.pdf-header {
    text-align: center;
    border-bottom: 3px solid var(--primary);
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.pdf-header h1 {
    color: var(--primary);
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
}

.pdf-section {
    margin-bottom: var(--spacing-xl);
}

.pdf-section h2 {
    color: var(--gray-900);
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--text-xl);
}

.pdf-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.pdf-table td {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
}

.pdf-table td:first-child {
    font-weight: var(--font-semibold);
    color: var(--gray-700);
    width: 60%;
}

.pdf-table td:last-child {
    text-align: right;
    color: var(--primary);
    font-weight: var(--font-bold);
    font-family: var(--font-mono);
}

.pdf-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border);
    text-align: center;
    color: var(--gray-500);
    font-size: var(--text-sm);
}

/* -----------------------------------------------------------------
   17. RESPONSIVIDADE
   ----------------------------------------------------------------- */

/* Tablets (768px - 1024px) */
@media (max-width: 1024px) {
    .calculator-grid,
    .admin-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .export-buttons {
        grid-template-columns: 1fr;
    }
}

/* Mobile (até 768px) */
@media (max-width: 768px) {
    .container {
        min-height: auto;
    }
    
    .header {
        padding: var(--spacing-lg);
    }
    
    .header h1 {
        font-size: var(--text-2xl);
    }
    
    .header-logo {
        height: 35px;
    }
    
    .tabs {
        flex-wrap: wrap;
        padding: var(--spacing-sm);
    }
    
    .tab-btn {
        flex: 1 1 auto;
        justify-content: center;
        padding: 0.625rem 1rem;
        font-size: var(--text-xs);
    }
    
    .tab-content {
        padding: var(--spacing-lg);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .card-title {
        font-size: var(--text-lg);
    }
    
    .calculator-grid,
    .admin-grid,
    .metrics-grid,
    .input-group,
    .export-buttons {
        grid-template-columns: 1fr;
    }
    
    .result-box .value {
        font-size: 2rem;
    }
    
    .data-table {
        font-size: var(--text-xs);
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .notification {
        left: var(--spacing-md);
        right: var(--spacing-md);
        min-width: auto;
    }
}

/* Mobile pequeno (até 480px) */
@media (max-width: 480px) {
    .header h1 {
        font-size: var(--text-xl);
    }
    
    .tab-btn {
        font-size: 0.7rem;
        padding: 0.5rem 0.75rem;
    }
    
    .result-box {
        padding: var(--spacing-lg);
    }
    
    .result-box .value {
        font-size: 1.75rem;
    }
    
    .extras-grid {
        grid-template-columns: 1fr;
    }
}

/* -----------------------------------------------------------------
   18. ACESSIBILIDADE
   ----------------------------------------------------------------- */
*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Modo de alto contraste */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--gray-700);
    }
    
    .btn-primary {
        border: 2px solid var(--primary-dark);
    }
}

/* Reduzir movimento para acessibilidade */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* -----------------------------------------------------------------
   19. UTILITÁRIOS
   ----------------------------------------------------------------- */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-10 {
    margin-bottom: var(--spacing-sm);
}

.mb-20 {
    margin-bottom: var(--spacing-lg);
}

.mt-20 {
    margin-top: var(--spacing-lg);
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* -----------------------------------------------------------------
   TOGGLE SWITCH FOR DASHBOARD VIEW MODE
   ----------------------------------------------------------------- */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #10b981;
    transition: .4s;
    border-radius: 24px;
}

.switch .slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.switch input:checked + .slider {
    background-color: #0ea5e9;
}

.switch input:checked + .slider:before {
    transform: translateX(26px);
}

.switch .slider:hover {
    box-shadow: 0 0 4px rgba(16, 185, 129, 0.4);
}

.switch input:checked + .slider:hover {
    box-shadow: 0 0 4px rgba(14, 165, 233, 0.4);
}

/* -----------------------------------------------------------------
   FIM DO STYLESHEET
   ----------------------------------------------------------------- */