/* ===============================================
   LIDER MODERN CSS - Diseño Responsivo y Moderno
   =============================================== */

/* Reset y Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores principales */
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Colores de fondo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    
    /* Colores de texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Bordes */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
}

/* Estilos base */
body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    font-size: var(--font-size-base);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* ===============================================
   HEADER DEL LÍDER
   =============================================== */

.lider-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    color: white;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.lider-avatar {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.lider-image {
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius-lg);
    border: 4px solid rgba(255, 255, 255, 0.2);
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}

.lider-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    object-fit: cover;
}

.lider-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.lider-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.lider-meta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.lider-number, .lider-goal {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.eneatipo-number {
    background: var(--accent-color);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ===============================================
   STATS DEL LÍDER
   =============================================== */

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

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--bg-tertiary);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.stat-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.stat-value.negative {
    color: var(--danger-color);
}

.stat-notes {
    width: 100%;
    min-height: 60px;
    padding: var(--spacing-sm);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    resize: vertical;
    transition: border-color 0.2s ease;
}

.stat-notes:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ===============================================
   PERFIL DEL LÍDER
   =============================================== */

.lider-profile {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.profile-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.profile-section p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===============================================
   NIVELES TECNOLÓGICOS
   =============================================== */

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

.niveles-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--text-primary);
}

.niveles-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.nivel-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--bg-tertiary);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.nivel-header {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, #cbd5e1 100%);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.nivel-header h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.puntaje {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.nivel-content {
    padding: var(--spacing-lg);
    display: grid;
    gap: var(--spacing-lg);
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.field-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.field-group textarea {
    width: 100%;
    min-height: 80px;
    padding: var(--spacing-sm);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    resize: vertical;
    transition: border-color 0.2s ease;
}

.field-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ===============================================
   NAVEGACIÓN
   =============================================== */

.lider-nav {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.nav-lider-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-back {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-back:hover {
    background: #cbd5e1;
    transform: translateX(-2px);
}

.nav-prev, .nav-next {
    background: var(--primary-color);
    color: white;
}

.nav-prev:hover, .nav-next:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.nav-save {
    background: var(--secondary-color);
    color: white;
}

.nav-save:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */

/* Tablets */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .lider-header {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    .lider-image {
        width: 100px;
        height: 100px;
    }
    
    .lider-title {
        font-size: var(--font-size-2xl);
    }
    
    .lider-stats {
        grid-template-columns: 1fr;
    }
    
    .lider-profile {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg);
    }
    
    .nivel-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nivel-content {
        padding: var(--spacing-md);
    }
    
    .lider-nav {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-lider-controls {
        justify-content: center;
    }
}

/* Móviles */
@media (max-width: 480px) {
    .container {
        padding: var(--spacing-xs);
    }
    
    .lider-header {
        padding: var(--spacing-md);
    }
    
    .lider-image {
        width: 80px;
        height: 80px;
    }
    
    .lider-icon {
        width: 40px;
        height: 40px;
    }
    
    .lider-title {
        font-size: var(--font-size-xl);
    }
    
    .lider-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stat-card, .nivel-card {
        padding: var(--spacing-md);
    }
    
    .nivel-header h4 {
        font-size: var(--font-size-base);
    }
    
    .nav-lider-controls {
        flex-direction: column;
    }
    
    .nav-btn {
        text-align: center;
        justify-content: center;
    }
}

/* ===============================================
   ANIMACIONES Y EFECTOS
   =============================================== */

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

.nivel-card {
    animation: fadeIn 0.5s ease-out;
}

.nivel-card:nth-child(odd) {
    animation-delay: 0.1s;
}

.nivel-card:nth-child(even) {
    animation-delay: 0.2s;
}

/* Estados de guardado */
.saving {
    opacity: 0.7;
    pointer-events: none;
}

.saved {
    background: var(--secondary-color) !important;
    color: white !important;
}

/* Indicadores de completado */
.nivel-card.completado {
    border-left: 4px solid var(--secondary-color);
}

.nivel-card.en-progreso {
    border-left: 4px solid var(--accent-color);
}

/* ===============================================
   UTILIDADES
   =============================================== */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible para accesibilidad */
.nav-btn:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}