:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --bg-light: #fafbfc;
    --bg-dark: #0a0a0b;
    --card-light: #ffffff;
    --card-dark: #1a1a1b;
    --text-light: #1f2937;
    --text-dark: #f9fafb;
    --text-muted-light: #6b7280;
    --text-muted-dark: #9ca3af;
    --border-light: #e5e7eb;
    --border-dark: #374151;
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-dark: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --chart-text: #1f2937;   /* modo claro */
    --chart-grid: #e5e7eb;
}
body.dark {
  --chart-text: #f9fafb;   /* modo oscuro */
  --chart-grid: #374151;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-light);
    color: var(--text-light);
    line-height: 1.6;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark {
    background: var(--bg-dark);
    color: var(--text-dark);
}

.theme-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
    width: 56px;
    height: 56px;
    background: var(--card-light);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-light);
    box-shadow: var(--shadow-light);
}

.dark .theme-toggle {
    background: var(--card-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
    box-shadow: var(--shadow-dark);
}

.theme-toggle:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.header p {
    color: var(--text-muted-light);
    font-size: 1.1rem;
}

.dark .header p {
    color: var(--text-muted-dark);
}

/* Dashboard layout - Initially centered, then moves to grid */
.dashboard {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 32px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 60vh;
}

/* When results are shown, change to grid layout */
.dashboard.show-results {
    display: grid;
    grid-template-columns: 400px 1fr;
    justify-content: start;
}

/* Settings card - initially centered */
.settings-card {
    width: 100%;
    max-width: 500px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* When results are shown, settings card takes fixed width */
.dashboard.show-results .settings-card {
    max-width: 400px;
}

.card {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.dark .card {
    background: var(--card-dark);
    border-color: var(--border-dark);
    box-shadow: var(--shadow-dark);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 20px 20px 0 0;
}

.card:hover {
    /*transform: translateY(-8px);*/
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.dark .card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Results card - initially hidden */
.results-card {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

/* When results are shown */
.results-card.show {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
}

.dark .card-title {
    color: var(--text-dark);
}

.card-title i {
    color: var(--primary);
    font-size: 1.2rem;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.dark .form-label {
    color: var(--text-dark);
}

.form-input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Outfit', sans-serif;
    background: var(--card-light);
    color: var(--text-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark .form-input {
    background: var(--card-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.form-input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-input.error:focus {
    border-color: var(--error);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.2);
}

/* Error messages */
.error-message {
    margin-top: 8px;
    font-size: 0.875rem;
    color: var(--error);
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    height: 0;
    overflow: hidden;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
    height: auto;
    padding: 4px 0;
}

.error-message::before {
    content: '\f071';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.75rem;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    padding: 16px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.dark .checkbox-wrapper {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
}

.checkbox-wrapper input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

.checkbox-wrapper label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.dark .checkbox-wrapper label {
    color: var(--text-dark);
}

.btn-primary {
    width: 100%;
    padding: 18px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover:not(:disabled)::before {
    left: 100%;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(99, 102, 241, 0.4);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(-1px);
}

.btn-text,
.btn-loading {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tabs {
    display: flex;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 16px;
    padding: 6px;
    margin-bottom: 32px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.dark .tabs {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
}

.tab-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted-light);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.dark .tab-btn {
    color: var(--text-muted-dark);
}

.tab-btn.active {
    background: white;
    color: var(--primary);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.dark .tab-btn.active {
    background: var(--card-dark);
    color: var(--primary);
}

.tab-content {
    display: none;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-content.active {
    display: block;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.table-wrapper {
    background: rgba(99, 102, 241, 0.02);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(99, 102, 241, 0.1);
    max-height: 400px;
    overflow-y: auto;
}

.dark .table-wrapper {
    background: rgba(99, 102, 241, 0.05);
    border-color: rgba(99, 102, 241, 0.2);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.dark th, .dark td {
    border-bottom-color: rgba(99, 102, 241, 0.2);
}

th {
    background: rgba(99, 102, 241, 0.05);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary);
}

.dark th {
    background: rgba(99, 102, 241, 0.1);
}

tbody tr {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

tbody tr:hover {
    background: rgba(99, 102, 241, 0.03);
    transform: translateX(4px);
}

.dark tbody tr:hover {
    background: rgba(99, 102, 241, 0.08);
}

.chart-container {
    height: 350px;
    margin: 24px 0;
    background: rgba(99, 102, 241, 0.02);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.dark .chart-container {
    background: rgba(99, 102, 241, 0.05);
    border-color: rgba(99, 102, 241, 0.2);
}

.summary-section {
    margin-top: 24px;
    padding: 24px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(99, 102, 241, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(16, 185, 129, 0.1);
}

.dark .summary-section {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(99, 102, 241, 0.1));
    border-color: rgba(16, 185, 129, 0.2);
}

.summary-section h4 {
    margin-bottom: 16px;
    font-size: 1.1rem;
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 8px;
}

.summary-section p {
    margin: 8px 0;
    font-size: 0.95rem;
}

.last-updated {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted-light);
    margin-top: 24px;
    padding: 12px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
}

.dark .last-updated {
    color: var(--text-muted-dark);
    background: rgba(99, 102, 241, 0.1);
}

.fci-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

/* Responsive behavior */
@media (max-width: 1024px) {
    .dashboard,
    .dashboard.show-results {
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
    }
    
    .settings-card,
    .dashboard.show-results .settings-card {
        max-width: 100%;
        width: 100%;
    }
    
    .results-card {
        transform: translateY(30px);
    }
    
    .results-card.show {
        transform: translateY(0);
    }
    
    .container {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .dashboard {
        min-height: auto;
    }
    
    .card {
        padding: 24px;
    }
    
    .header h1 {
        font-size: 1.75rem;
    }
    
    .header p {
        font-size: 1rem;
    }
}

/* Ajustes para tablas en móviles */
@media (max-width: 768px) {
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch; /* Desplazamiento suave en iOS */
        max-height: none; /* Eliminar límite de altura en móvil */
    }

    table {
        min-width: 600px; /* Evita que la tabla se encoja demasiado */
        font-size: 0.85rem; /* Texto un poco más pequeño */
    }

    th, td {
        padding: 12px 14px; /* Reduce padding */
        white-space: nowrap; /* Evita que el texto se rompa */
    }
}