/**
 * Urbana 91.9 - Admin Panel
 */

:root {
    /* Paleta de colores estilo Apple */
    --primary: #007AFF;
    --primary-dark: #0051D5;
    --success: #34C759;
    --warning: #FF9500;
    --danger: #FF3B30;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --white: #FFFFFF;
    --black: #000000;
    
    /* Radio brand colors */
    --radio-red: #FF5555;
    --radio-dark: #1a1a1a;
    
    /* Sombras estilo Apple */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Bordes redondeados */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    
    /* Transiciones suaves */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Contenedor principal */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   LOGIN PAGE
============================================ */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 48px;
    width: 100%;
    max-width: 440px;
    backdrop-filter: blur(10px);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo img {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    margin-bottom: 16px;
}

.login-logo h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.login-logo p {
    font-size: 15px;
    color: var(--gray-500);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--gray-900);
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    outline: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    width: 100%;
    padding: 14px;
    font-size: 16px;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger);
    border: 1px solid rgba(255, 59, 48, 0.2);
}

.alert-success {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
    border: 1px solid rgba(52, 199, 89, 0.2);
}

/* ============================================
   DASHBOARD LAYOUT
============================================ */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    padding: 24px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.sidebar-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.sidebar-logo h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 16px;
}

.user-details h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
}

.user-details p {
    font-size: 12px;
    color: var(--gray-500);
    text-transform: capitalize;
}

.sidebar-nav {
    padding: 24px 0;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0 24px;
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
    font-size: 15px;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: var(--gray-50);
    color: var(--gray-900);
}

.nav-link.active {
    background: rgba(0, 122, 255, 0.08);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 500;
}

.nav-icon {
    width: 20px;
    height: 20px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 32px;
}

.page-header {
    margin-bottom: 32px;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 16px;
    color: var(--gray-500);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.blue { background: rgba(0, 122, 255, 0.1); color: var(--primary); }
.stat-icon.green { background: rgba(52, 199, 89, 0.1); color: var(--success); }
.stat-icon.orange { background: rgba(255, 149, 0, 0.1); color: var(--warning); }
.stat-icon.red { background: rgba(255, 59, 48, 0.1); color: var(--danger); }

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 500;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 500;
    margin-top: 8px;
}

.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table thead {
    background: var(--gray-50);
}

.table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
    color: var(--gray-700);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success { background: rgba(52, 199, 89, 0.1); color: var(--success); }
.badge-danger { background: rgba(255, 59, 48, 0.1); color: var(--danger); }
.badge-warning { background: rgba(255, 149, 0, 0.1); color: var(--warning); }
.badge-info { background: rgba(0, 122, 255, 0.1); color: var(--primary); }

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 0;
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}