/* Estilos base del sistema - Extraídos de templates/base.html */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

/* Estilos modernos para el sistema */
body {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #333333;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding-top: 80px;
}

/* Ajuste del padding-top para móviles */
@media (max-width: 768px) {
    body {
        padding-top: 45px; /* Reducido de 80px para coincidir con navbar más pequeño */
    }
}

.navbar {
    background: rgba(44, 62, 80, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    margin-right: 2rem;
    padding: 0.5rem 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-left: auto;
}

.navbar-nav .nav-link {
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-weight: 500;
    margin: 0 0.25rem;
}

.navbar-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.navbar-text {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    margin-right: 1rem;
    font-size: 0.95rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .navbar-container {
        padding: 0 1rem;
        min-height: 35px; /* Mitad del tamaño original (70px) */
    }
    
    .navbar-brand {
        font-size: 1.2rem; /* Reducido de 1.5rem */
        margin-right: 1rem;
        padding: 0.25rem 0; /* Reducido de 0.5rem */
    }
    
    .navbar-nav {
        gap: 0.5rem; /* Reducido de 0.75rem */
    }
    
    .navbar-nav .nav-link {
        padding: 0.25rem 0.75rem; /* Reducido de 0.5rem 1rem */
        margin: 0.125rem 0; /* Reducido de 0.25rem */
        font-size: 0.9rem; /* Tamaño de fuente reducido */
    }
    
    .navbar-text {
        margin-right: 0.5rem;
        font-size: 0.8rem; /* Reducido de 0.9rem */
        padding: 0.25rem 0.75rem; /* Reducido de 0.5rem 1rem */
    }
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    color: white;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

.card * {
    position: relative;
    z-index: 1;
}

.card h1, .card h2, .card h3, .card h4, .card h5, .card h6 {
    color: white !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.card p, .card span, .card div {
    color: rgba(255, 255, 255, 0.95) !important;
}

.card .text-muted {
    color: rgba(255, 255, 255, 0.7) !important;
}

.card .btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    backdrop-filter: blur(10px);
}

.card .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.stats-card {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(79, 172, 254, 0.3);
    color: white;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(79, 172, 254, 0.4);
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stats-card * {
    position: relative;
    z-index: 1;
}

.stats-number {
    color: #ffffff;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stats-label {
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

.feature-card {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    height: 100%;
    box-shadow: 0 8px 32px rgba(250, 112, 154, 0.3);
    color: white;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(250, 112, 154, 0.4);
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.feature-card * {
    position: relative;
    z-index: 1;
}

.feature-title {
    color: #ffffff;
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.feature-description {
    color: #ffffff;
    font-size: 1rem;
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.feature-benefit {
    color: #ffffff;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* Mejoras de rendimiento */
.card {
    will-change: transform;
}

/* Mejoras de accesibilidad para focus */
.btn:focus,
.nav-link:focus,
.navbar-brand:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Mejoras para lectores de pantalla */
[aria-hidden="true"] {
    display: none !important;
}

/* Footer styles */
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(44, 62, 80, 0.95) !important;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 100;
    transition: transform 0.3s ease;
}

footer a:hover {
    text-decoration: underline;
}

/* Ocultar footer durante quizzes */
body.quiz-active footer {
    transform: translateY(100%);
}

/* Estilos para menú hamburguesa */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
    background: transparent;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    outline: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Menú móvil mejorado */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(44, 62, 80, 0.98);
        backdrop-filter: blur(15px);
        border-radius: 0 0 15px 15px;
        margin-top: 0.5rem;
        padding: 1rem;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        animation: slideDown 0.3s ease-out;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .navbar-nav {
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 8px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        transition: left 0.5s ease;
    }
    
    .nav-link:hover::before {
        left: 100%;
    }
    
    .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(5px);
    }
    
    .navbar-text {
        padding: 0.75rem 1rem;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.05);
        margin-bottom: 0.5rem;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    /* Mejorar el botón hamburguesa */
    .navbar-toggler {
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 8px;
        padding: 0.5rem;
        transition: all 0.3s ease;
    }
    
    .navbar-toggler:hover {
        border-color: rgba(255, 255, 255, 0.6);
        background: rgba(255, 255, 255, 0.1);
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    }
}

/* Optimización para impresión */
@media print {
    .navbar,
    footer,
    aside {
        display: none !important;
    }
}