/* Variables CSS */
:root {
    /* Colores corporativos por constructora */
    --color-gpc: #2E7D32;
    --color-gpc-light: #C8E6C9;
    --color-marcus: #1565C0;
    --color-marcus-light: #BBDEFB;
    --color-herguicons: #E65100;
    --color-herguicons-light: #FFE0B2;

    /* Colores de UI */
    --color-primary: #1a237e;
    --color-secondary: #283593;
    --color-success: #4CAF50;
    --color-warning: #FF9800;
    --color-danger: #f44336;
    --color-info: #2196F3;

    /* Colores neutros */
    --color-bg: #f5f7fa;
    --color-card: #ffffff;
    --color-text: #333333;
    --color-text-muted: #666666;
    --color-border: #e0e0e0;

    /* Medallas */
    --color-gold: #FFD700;
    --color-silver: #C0C0C0;
    --color-bronze: #CD7F32;

    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Bordes */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
}

/* Reset básico */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.header .subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.header .date {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Navegación */
.nav {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.nav a {
    color: var(--color-text);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav a:hover {
    background: var(--color-primary);
    color: white;
}

/* Secciones */
.section {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    box-shadow: var(--shadow-md);
}

.section h2 {
    color: var(--color-primary);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-primary);
}

.intro {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Tabla de ranking */
.ranking-table {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

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

.ranking-table th,
.ranking-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.ranking-table th {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-text);
}

.ranking-table .number {
    text-align: right;
    font-family: 'Roboto Mono', monospace;
    font-weight: 600;
}

.ranking-table .best {
    color: var(--color-success);
    font-weight: 700;
}

.ranking-table .diff {
    color: var(--color-text-muted);
}

.row-gpc { border-left: 4px solid var(--color-gpc); }
.row-marcus { border-left: 4px solid var(--color-marcus); }
.row-herguicons { border-left: 4px solid var(--color-herguicons); }
.row-minimo { border-left: 4px solid var(--color-border); background: var(--color-bg); }

/* Badges */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.85rem;
}

.badge.gold { background: var(--color-gold); color: #333; }
.badge.silver { background: var(--color-silver); color: #333; }
.badge.bronze { background: var(--color-bronze); color: white; }

/* Progress bar */
.progress-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.progress-bar .progress {
    height: 20px;
    border-radius: var(--radius-sm);
    transition: width 0.5s ease;
}

.progress-bar .progress.gpc { background: var(--color-gpc); }
.progress-bar .progress.marcus { background: var(--color-marcus); }
.progress-bar .progress.herguicons { background: var(--color-herguicons); }

.progress-bar span {
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 50px;
}

/* Alertas */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.alert-warning {
    background: #FFF3E0;
    border-left: 4px solid var(--color-warning);
}

.alert ul {
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

/* Gráficos */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-lg);
}

.chart-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.chart-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.chart-card img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

/* Tabla de capítulos */
.filter-bar {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-bar select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    cursor: pointer;
}

.table-responsive {
    overflow-x: auto;
}

.tabla-capitulos {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.tabla-capitulos th,
.tabla-capitulos td {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
}

.tabla-capitulos th {
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
}

.tabla-capitulos th.col-gpc { background: var(--color-gpc); }
.tabla-capitulos th.col-marcus { background: var(--color-marcus); }
.tabla-capitulos th.col-herguicons { background: var(--color-herguicons); }

.tabla-capitulos td.number {
    text-align: right;
    font-family: 'Roboto Mono', monospace;
}

.tabla-capitulos td.min-gpc { background: var(--color-gpc-light); }
.tabla-capitulos td.min-marcus { background: var(--color-marcus-light); }
.tabla-capitulos td.min-herguicons { background: var(--color-herguicons-light); }

.tabla-capitulos .row-total {
    background: var(--color-bg);
    font-weight: 700;
}

.badge-winner {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
}

.badge-winner.gpc { background: var(--color-gpc); }
.badge-winner.marcus { background: var(--color-marcus); }
.badge-winner.herguicons { background: var(--color-herguicons); }

/* Leyenda */
.legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.gpc { background: var(--color-gpc); }
.dot.marcus { background: var(--color-marcus); }
.dot.herguicons { background: var(--color-herguicons); }

/* Alertas grid */
.alerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.alert-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid;
}

.alert-card.danger {
    background: #FFEBEE;
    border-color: var(--color-danger);
}

.alert-card.warning {
    background: #FFF8E1;
    border-color: var(--color-warning);
}

.alert-card.info {
    background: #E3F2FD;
    border-color: var(--color-info);
}

.alert-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.alert-card ul {
    margin-left: var(--spacing-lg);
}

.alert-card li {
    margin-bottom: var(--spacing-sm);
}

.alert-card small {
    color: var(--color-text-muted);
}

.alert-card .impact {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255,255,255,0.5);
    border-radius: var(--radius-sm);
}

.alert-card .pct {
    color: var(--color-danger);
    font-weight: 600;
}

.front-loading li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.company {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 0.85rem;
}

.company.gpc { background: var(--color-gpc); }
.company.marcus { background: var(--color-marcus); }
.company.herguicons { background: var(--color-herguicons); }

/* Recomendaciones */
.recommendations {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.recommendation-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    border-left: 4px solid;
}

.recommendation-card.rank-1 {
    border-color: var(--color-gold);
    background: linear-gradient(135deg, #FFF9E6 0%, #FFF3CD 100%);
}

.recommendation-card.rank-2 {
    border-color: var(--color-silver);
}

.recommendation-card.rank-3 {
    border-color: var(--color-bronze);
}

.recommendation-card .rank {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-muted);
    min-width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rank-1 .rank { color: var(--color-gold); text-shadow: 1px 1px 2px rgba(0,0,0,0.2); }
.rank-2 .rank { color: var(--color-silver); }
.rank-3 .rank { color: var(--color-bronze); }

.recommendation-card .content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.alert-inline {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
}

.alert-inline.warning {
    background: #FFF3E0;
    border: 1px solid var(--color-warning);
    color: #E65100;
}

/* Action items */
.action-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.action-card {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

.action-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.action-card ol,
.action-card ul {
    margin-left: var(--spacing-lg);
}

.action-card li {
    margin-bottom: var(--spacing-sm);
}

/* Conclusión */
.conclusion {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.conclusion h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.conclusion-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.conclusion-content p:last-child {
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: #263238;
    color: #CFD8DC;
    text-align: center;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.footer p {
    margin-bottom: var(--spacing-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.75rem;
    }

    .header .subtitle {
        font-size: 1rem;
    }

    .nav ul {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding: var(--spacing-md);
        margin: var(--spacing-md) 0;
    }

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

    .chart-card {
        min-width: 0;
    }

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

    .recommendation-card {
        flex-direction: column;
        text-align: center;
    }

    .recommendation-card .rank {
        font-size: 1.5rem;
    }

    .legend {
        flex-direction: column;
        align-items: center;
    }

    .tabla-capitulos {
        font-size: 0.8rem;
    }

    .tabla-capitulos th,
    .tabla-capitulos td {
        padding: var(--spacing-xs);
    }
}

/* Print styles */
@media print {
    .nav {
        display: none;
    }

    .section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--color-border);
    }

    .chart-card img {
        max-height: 300px;
        object-fit: contain;
    }
}