/**
 * Estilos personalizados para GymApp
 * 
 * Este archivo complementa Tailwind CSS con estilos específicos
 */

/* ============================================
   DARK MODE VARIABLES
   ============================================ */
:root {
    /* Light Mode Colors */
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-color: #e5e7eb;
    --accent-primary: #facc15;
    --accent-secondary: #eab308;
}

.dark {
    /* Premium Dark Mode - Deep Onyx & Charcoal */
    --bg-primary: #050505;
    --bg-secondary: #0f0f0f;
    --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a1;
    --text-tertiary: #717171;
    --border-color: #262626;
    --accent-primary: #facc15;
    --accent-secondary: #fbbf24;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, #a1a1a1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.accent-gradient {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
}


/* Smooth transitions for theme switching */
html {
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Fuentes personalizadas */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Animaciones personalizadas */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Line clamp para truncar texto */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    overflow: hidden;
}

/* Personalización de scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Efectos hover para tarjetas */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Estilos para inputs en focus */
* {
    outline: none !important;
}

*:focus,
*:focus-visible,
*:active {
    outline: none !important;
}

input:focus, 
textarea:focus, 
select:focus,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: none !important;
}

input:active,
textarea:active,
select:active {
    outline: none !important;
}

/* Skeleton loading (para futuros features) */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.skeleton {
    animation: shimmer 2s infinite;
    background: linear-gradient(to right, #f0f0f0 0%, #e0e0e0 50%, #f0f0f0 100%);
    background-size: 1000px 100%;
}

/* Badge custom */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-primary {
    background-color: #facc15;
    color: #111827;
}

.badge-success {
    background-color: #10b981;
    color: white;
}

.badge-danger {
    background-color: #ef4444;
    color: white;
}

/* Utilidades adicionales */
.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.bg-pattern {
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23facc15' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ============================================
   DARK MODE SPECIFIC STYLES
   ============================================ */

/* Dark mode toggle button */
.dark-mode-toggle {
    transition: all 0.3s ease;
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
}

/* Cards and containers in dark mode */
.dark .bg-white {
    background-color: var(--bg-secondary) !important;
}

.dark .bg-gray-50 {
    background-color: var(--bg-primary) !important;
}

.dark .bg-gray-100 {
    background-color: var(--bg-tertiary) !important;
}

.dark .text-gray-800 {
    color: var(--text-primary) !important;
}

.dark .text-gray-700 {
    color: var(--text-secondary) !important;
}

.dark .text-gray-600 {
    color: var(--text-secondary) !important;
}

.dark .text-gray-500 {
    color: var(--text-tertiary) !important;
}

.dark .border-gray-200 {
    border-color: var(--border-color) !important;
}

.dark .border-gray-300 {
    border-color: var(--border-color) !important;
}

/* Dark mode shadows */
.dark .shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.dark .shadow-md {
    box-shadow: var(--shadow-md) !important;
}

.dark .shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.dark .shadow-xl {
    box-shadow: var(--shadow-xl) !important;
}

/* Input fields in dark mode */
.dark input,
.dark textarea,
.dark select {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.dark input::placeholder,
.dark textarea::placeholder {
    color: var(--text-tertiary) !important;
}

/* Skeleton loading in dark mode */
.dark .skeleton {
    background: linear-gradient(to right, #1e293b 0%, #334155 50%, #1e293b 100%);
    background-size: 1000px 100%;
}

/* Card hover effects in dark mode */
.dark .card-hover:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    /* Ajustar sidebar en móvil (para futuro) */
    aside {
        transform: translateX(-100%);
    }
    
    header, main, footer {
        margin-left: 0 !important;
    }
}

/* Print styles */
@media print {
    aside, header, footer {
        display: none;
    }
    
    main {
        margin: 0 !important;
    }
}