/**
 * WiFiGlo Theme CSS
 * Design System unifié pour toute la plateforme
 * Gradient principal: #667eea → #764ba2
 */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Couleurs principales */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --dark-color: #2d3748;
    --light-gray: #f7fafc;
    --success-color: #38ef7d;
    --danger-color: #f5576c;
    --warning-color: #f093fb;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-danger: linear-gradient(135deg, #eb3349 0%, #f5576c 100%);
    --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);

    /* Bordures et ombres */
    --border-radius: 20px;
    --border-radius-sm: 10px;
    --border-radius-lg: 30px;
    --card-shadow: 0 5px 20px rgba(0,0,0,0.05);
    --card-shadow-hover: 0 15px 40px rgba(102, 126, 234, 0.15);
    --button-shadow: 0 10px 30px rgba(0,0,0,0.2);

    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;

    /* Espacement */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Typographie */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--dark-color);
    line-height: 1.6;
}

/* ============================================
   BOUTONS
   ============================================ */
.btn-gradient-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 2rem;
    transition: var(--transition-normal);
    box-shadow: var(--button-shadow);
}

.btn-gradient-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
    color: white;
}

.btn-gradient-success {
    background: var(--gradient-success);
    border: none;
    color: white;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 2rem;
    transition: var(--transition-normal);
}

.btn-gradient-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(17, 153, 142, 0.4);
    color: white;
}

.btn-gradient-danger {
    background: var(--gradient-danger);
    border: none;
    color: white;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 2rem;
    transition: var(--transition-normal);
}

.btn-gradient-danger:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(235, 51, 73, 0.4);
    color: white;
}

.btn-outline-gradient {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 2rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-outline-gradient:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

/* ============================================
   CARTES
   ============================================ */
.card-wifiglo {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    border: 2px solid transparent;
    transition: var(--transition-normal);
    overflow: hidden;
}

.card-wifiglo:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--primary-color);
}

.card-wifiglo .card-header-gradient {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    font-weight: var(--font-weight-semibold);
    border-bottom: none;
}

.card-wifiglo .card-header-dark {
    background: var(--dark-color);
    color: white;
    padding: 1.5rem;
    font-weight: var(--font-weight-semibold);
    border-bottom: none;
}

.card-stat {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--card-shadow);
    transition: var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.card-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.card-stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--primary-color);
}

.card-stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: var(--spacing-md);
}

.card-stat-value {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.card-stat-label {
    color: #718096;
    font-size: 0.95rem;
    font-weight: var(--font-weight-medium);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar-wifiglo {
    background: var(--dark-color);
    min-height: 100vh;
    color: white;
    border-right: 4px solid;
    border-image: var(--gradient-primary) 1;
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    overflow-y: auto;
    transition: var(--transition-normal);
    z-index: 1000;
}

.sidebar-wifiglo .logo-section {
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-wifiglo .logo-section h4 {
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-wifiglo .nav-link {
    color: rgba(255,255,255,0.8);
    padding: 0.75rem 1.5rem;
    margin: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    font-weight: var(--font-weight-medium);
}

.sidebar-wifiglo .nav-link:hover {
    background: rgba(102, 126, 234, 0.1);
    color: white;
    transform: translateX(5px);
}

.sidebar-wifiglo .nav-link.active {
    background: var(--gradient-primary);
    color: white;
}

.sidebar-wifiglo .nav-link i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content-wifiglo {
    margin-left: 250px;
    padding: var(--spacing-lg);
    min-height: 100vh;
    background: var(--light-gray);
    transition: var(--transition-normal);
}

.page-header-gradient {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--card-shadow);
}

.page-header-gradient h1 {
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.5rem;
}

.page-header-gradient p {
    opacity: 0.9;
    margin-bottom: 0;
}

/* ============================================
   FORMULAIRES
   ============================================ */
.form-control-wifiglo {
    border-radius: var(--border-radius-sm);
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1rem;
    transition: var(--transition-fast);
}

.form-control-wifiglo:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
}

.form-label-wifiglo {
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.form-label-wifiglo i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

/* ============================================
   TABLEAUX
   ============================================ */
.table-wifiglo {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.table-wifiglo thead {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.table-wifiglo thead th {
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    border-bottom: 2px solid var(--primary-color);
    padding: 1rem;
}

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

.table-wifiglo tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

.table-wifiglo tbody td {
    padding: 1rem;
    vertical-align: middle;
}

/* ============================================
   BADGES
   ============================================ */
.badge-gradient-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
}

.badge-gradient-success {
    background: var(--gradient-success);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
}

.badge-gradient-danger {
    background: var(--gradient-danger);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   ALERTS
   ============================================ */
.alert-wifiglo {
    border-radius: var(--border-radius-sm);
    border-left: 4px solid;
    padding: 1rem 1.5rem;
    box-shadow: var(--card-shadow);
}

.alert-wifiglo-info {
    background-color: rgba(102, 126, 234, 0.1);
    border-left-color: var(--primary-color);
    color: var(--dark-color);
}

.alert-wifiglo-success {
    background-color: rgba(56, 239, 125, 0.1);
    border-left-color: var(--success-color);
    color: var(--dark-color);
}

.alert-wifiglo-danger {
    background-color: rgba(245, 87, 108, 0.1);
    border-left-color: var(--danger-color);
    color: var(--dark-color);
}

/* ============================================
   UTILITAIRES
   ============================================ */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-border {
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.gradient-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}