/* ===== TEMA DE LA UNIVERSIDAD - MODO CLARO/OSCURO ===== */

/* Paleta de la Universidad: Naranja, Verde Pastel, Azul Oscuro, Blanco */
:root {
    /* Colores de la Universidad */
    --uni-orange: #FF8C42;
    --uni-orange-dark: #E67A2E;
    --uni-green: #A8E6CF;
    --uni-green-dark: #7EC9A3;
    --uni-blue: #1A365D;
    --uni-blue-light: #2D4A7C;
    --uni-white: #FFFFFF;
    
    /* Modo Claro (default) */
    --primary-color: #FF8C42;
    --primary-dark: #E67A2E;
    --primary-light: #FFB380;
    --secondary-color: #A8E6CF;
    --secondary-dark: #7EC9A3;
    --accent-color: #1A365D;
    --accent-light: #2D4A7C;
    
    --success-color: #7EC9A3;
    --warning-color: #FF8C42;
    --danger-color: #ef4444;
    --info-color: #2D4A7C;
    
    --text-primary: #1A365D;
    --text-secondary: #4A5568;
    --text-muted: #718096;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7FAFC;
    --bg-tertiary: #EDF2F7;
    
    --border-color: #E2E8F0;
    --shadow: 0 1px 3px 0 rgba(26, 54, 93, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -5px rgba(26, 54, 93, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --gradient-primary: linear-gradient(135deg, #FF8C42 0%, #E67A2E 100%);
    --gradient-secondary: linear-gradient(135deg, #A8E6CF 0%, #7EC9A3 100%);
    --gradient-accent: linear-gradient(135deg, #1A365D 0%, #2D4A7C 100%);
    
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* Modo Oscuro */
[data-theme="dark"] {
    --primary-color: #FFB380;
    --primary-dark: #FF8C42;
    --primary-light: #FFD4B3;
    --secondary-color: #7EC9A3;
    --secondary-dark: #5FB88A;
    --accent-color: #4A90E2;
    --accent-light: #6BA8F0;
    
    --success-color: #7EC9A3;
    --warning-color: #FFB380;
    --danger-color: #FC8181;
    --info-color: #6BA8F0;
    
    --text-primary: #F7FAFC;
    --text-secondary: #CBD5E0;
    --text-muted: #A0AEC0;
    
    --bg-primary: #1A202C;
    --bg-secondary: #2D3748;
    --bg-tertiary: #374151;
    
    --border-color: #4A5568;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    
    --gradient-primary: linear-gradient(135deg, #FFB380 0%, #FF8C42 100%);
    --gradient-secondary: linear-gradient(135deg, #7EC9A3 0%, #5FB88A 100%);
    --gradient-accent: linear-gradient(135deg, #4A90E2 0%, #6BA8F0 100%);
}

/* Transición suave al cambiar tema */
body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Toggle de Modo Oscuro */
.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 25px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.theme-toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
    background: var(--border-color);
    border-radius: 13px;
    transition: var(--transition);
}

.theme-toggle-switch::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle-switch {
    background: var(--primary-color);
}

[data-theme="dark"] .theme-toggle-switch::before {
    transform: translateX(24px);
}

.theme-toggle-icon {
    font-size: 18px;
    color: var(--text-secondary);
    transition: var(--transition);
}

[data-theme="dark"] .theme-toggle-icon.sun {
    color: var(--primary-color);
}

[data-theme="light"] .theme-toggle-icon.moon {
    color: var(--accent-color);
}