/* 
 * IDENTIA LAB - Sistema de Diseño
 * Colores oficiales de marca y sistema
 * Build 163 - Panel SaaS
 */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
    /* === PALETA DE MARCA === */
    --identia-primary: #FF51A6;        /* Rosa IdentIa - Principal */
    --identia-secondary: #1E1C3A;      /* Azul Oscuro - Secundario */
    --identia-dark: #12112E;           /* Fondo Oscuro Principal */
    --identia-dark-light: #1E1C3A;     /* Fondo cards/sidebar */
    
    /* === PALETA DE TEXTO === */
    --identia-text-primary: #F1F1F1;   /* Texto principal sobre oscuro */
    --identia-text-secondary: #A0A0B8; /* Texto secundario */
    --identia-text-muted: #6B6B85;     /* Texto deshabilitado */
    
    /* === PALETA DE SISTEMA === */
    --identia-success: #4ADE80;        /* Verde - Stats positivas */
    --identia-warning: #FDE047;        /* Amarillo - Pendientes */
    --identia-error: #F87171;          /* Rojo - Errores/cancelaciones */
    
    /* === VARIANTES DEL PRIMARIO === */
    --identia-primary-light: #FF6BB3;  /* Rosa más claro (hover) */
    --identia-primary-dark: #E64895;   /* Rosa más oscuro (active) */
    --identia-primary-alpha-10: rgba(255, 81, 166, 0.1);
    --identia-primary-alpha-20: rgba(255, 81, 166, 0.2);
    
    /* === BORDES Y SOMBRAS === */
    --identia-border: rgba(255, 81, 166, 0.1);
    --identia-border-light: rgba(241, 241, 241, 0.05);
    --identia-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --identia-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --identia-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --identia-shadow-primary: 0 4px 20px rgba(255, 81, 166, 0.3);
    
    /* === ESPACIADO === */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    
    /* === BORDER RADIUS === */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* === TRANSICIONES === */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* === RESET Y BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--identia-dark);
    color: var(--identia-text-primary);
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 15px;
    line-height: 1.65;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === LAYOUT === */
.admin-layout {
    min-height: 100vh;
    position: relative;
}

.sidebar {
    background: var(--identia-dark-light);
    padding: var(--spacing-xl);
    border-right: 1px solid var(--identia-border);
    overflow-y: auto;
    position: fixed;
    height: 100vh;
    width: 280px;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
}

.main-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin-left: 280px;
    overflow: hidden;
}

.header {
    background: var(--identia-dark-light);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--identia-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

/* === LOGO === */
.logo {
    font-size: 1.375rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--identia-primary) 0%, #FF6BB3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--identia-primary) 0%, #FF6BB3 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* === NAVEGACIÓN === */
nav {
    flex: 1;
    overflow-y: auto;
    padding-right: 0.5rem;
}

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

.nav-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--identia-text-muted);
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-sm);
}

.nav-item {
    padding: 0.875rem 1rem;
    margin: 0.25rem 0;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--identia-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    line-height: 1.4;
}

.nav-item:hover {
    background: var(--identia-primary-alpha-10);
    color: var(--identia-text-primary);
    transform: translateX(4px);
}

.nav-item.active {
    background: var(--identia-primary);
    color: white;
    box-shadow: var(--identia-shadow-primary);
    font-weight: 600;
}

.nav-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* === CARDS === */
.card {
    background: var(--identia-dark-light);
    border: 1px solid var(--identia-border);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--identia-primary-alpha-20);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--identia-primary-alpha-10);
}

.card-header {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--identia-text-primary);
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--identia-text-secondary);
    margin-top: 0.25rem;
    line-height: 1.5;
    font-weight: 400;
}

/* === STATS GRID === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--identia-dark-light);
    border: 1px solid var(--identia-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: left;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--identia-primary) 0%, #FF6BB3 100%);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    border-color: var(--identia-primary-alpha-20);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--identia-primary-alpha-10);
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--identia-text-primary);
    line-height: 1.1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--identia-text-secondary);
    font-weight: 500;
    line-height: 1.4;
    text-transform: none;
}

.stat-icon {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    font-size: 2.5rem;
    opacity: 0.08;
}

/* === BOTONES === */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--identia-primary);
    color: white;
    box-shadow: var(--identia-shadow-sm);
}

.btn-primary:hover {
    background: var(--identia-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 81, 166, 0.4);
}

.btn-primary:active {
    background: var(--identia-primary-dark);
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--identia-border);
    color: var(--identia-text-primary);
}

.btn-secondary:hover {
    background: var(--identia-primary-alpha-10);
    border-color: var(--identia-primary);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1rem;
}

/* === BADGES === */
.badge {
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.badge-success {
    background: var(--identia-success);
    color: var(--identia-dark);
}

.badge-warning {
    background: var(--identia-warning);
    color: var(--identia-dark);
}

.badge-error {
    background: var(--identia-error);
    color: white;
}

.badge-primary {
    background: var(--identia-primary);
    color: white;
}

.badge-lifetime {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: var(--identia-dark);
    font-weight: 800;
}

/* === TABLAS === */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: var(--identia-primary-alpha-10);
}

.table th {
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--identia-text-secondary);
    border-bottom: 1px solid var(--identia-border);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 1.125rem 1.25rem;
    border-bottom: 1px solid var(--identia-border-light);
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--identia-text-primary);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--identia-primary-alpha-10);
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--identia-text-primary);
    letter-spacing: -0.01em;
}

.empty-state-text {
    color: var(--identia-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* === WHATSAPP STATUS CARD === */
.whatsapp-status {
    background: linear-gradient(135deg, var(--identia-primary-alpha-10) 0%, transparent 100%);
    border: 1px solid var(--identia-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-top: auto;
}

.whatsapp-label {
    font-size: 0.6875rem;
    color: var(--identia-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.whatsapp-number {
    font-size: 1rem;
    font-weight: 600;
    color: var(--identia-text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

/* === PÁGINA HEADER === */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--identia-text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 0.9375rem;
    color: var(--identia-text-secondary);
    line-height: 1.5;
    font-weight: 400;
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--identia-dark-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--identia-primary-alpha-20);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }
    
    .main-container {
        margin-left: 240px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .main-content {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1000;
        transition: transform 0.3s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-container {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .main-content {
        padding: 1.25rem;
    }
    
    .header {
        padding: 1.25rem 1.5rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
}

/* === UTILIDADES === */
.text-primary { color: var(--identia-primary); }
.text-secondary { color: var(--identia-text-secondary); }
.text-muted { color: var(--identia-text-muted); }
.text-success { color: var(--identia-success); }
.text-warning { color: var(--identia-warning); }
.text-error { color: var(--identia-error); }

.bg-primary { background: var(--identia-primary); }
.bg-dark { background: var(--identia-dark); }
.bg-dark-light { background: var(--identia-dark-light); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }