/* ===================================
   THÈME AVH - CHARTE GRAPHIQUE
   Couleurs : Violet #5A3B8E + Orange #EF5B2A
   =================================== */

:root {
    /* Couleurs principales AVH */
    --avh-violet: #5A3B8E;
    --avh-violet-dark: #4A2F75;
    --avh-violet-light: #7A5BAE;
    --avh-orange: #EF5B2A;
    --avh-orange-dark: #D94A1A;
    --avh-orange-light: #FF7A4A;
    
    /* Couleurs système */
    --dark: #2d3748;
    --light: #f7fafc;
    --border: #e2e8f0;
    --text-muted: #718096;
    --success: #43e97b;
    --danger: #f5576c;
    --warning: #ffa726;
    --info: #4facfe;
    
    /* Tailles */
    --sidebar-width: 260px;
    --navbar-height: 70px;
    
    /* Ombres */
    --shadow: 0 4px 6px -1px rgba(90, 59, 142, 0.1), 0 2px 4px -1px rgba(90, 59, 142, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(90, 59, 142, 0.1), 0 4px 6px -2px rgba(90, 59, 142, 0.05);
}

/* ===================================
   THÈME CLAIR (par défaut)
   =================================== */
body {
    background: var(--light);
    color: var(--dark);
}

/* ===================================
   NAVBAR
   =================================== */
.navbar {
    background: white;
    box-shadow: 0 2px 8px rgba(90, 59, 142, 0.1);
}

.brand-logo-icon {
    background: linear-gradient(135deg, var(--avh-violet), var(--avh-violet-dark));
    box-shadow: 0 4px 12px rgba(90, 59, 142, 0.3);
}

.brand-logo-text {
    background: linear-gradient(135deg, var(--avh-violet), var(--avh-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link:hover {
    background: rgba(90, 59, 142, 0.05);
    color: var(--avh-violet);
}

.nav-profile-img {
    background: linear-gradient(135deg, var(--avh-violet), var(--avh-orange));
}

/* ===================================
   SIDEBAR
   =================================== */
.sidebar {
    background: linear-gradient(180deg, #5A3B8E 0%, #4A2F75 100%);
    color: white;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(239, 91, 42, 0.5);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--avh-orange);
}

.nav-category {
    color: rgba(255, 255, 255, 0.6);
}

.nav-item .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

.nav-item .nav-link::before {
    background: var(--avh-orange);
}

.nav-item .nav-link:hover {
    background: rgba(239, 91, 42, 0.15);
    color: white;
}

.nav-item.active .nav-link {
    background: rgba(239, 91, 42, 0.25);
    color: white;
}

.menu-badge {
    background: var(--avh-orange);
    color: white;
}

/* ===================================
   BOUTONS PRINCIPAUX
   =================================== */
.btn-primary, .btn-submit, .filter-btn.primary {
    background: linear-gradient(135deg, var(--avh-violet), var(--avh-orange)) !important;
    border: none;
    color: white;
}

.btn-primary:hover, .btn-submit:hover, .filter-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(90, 59, 142, 0.3);
}

.btn-send {
    background: linear-gradient(135deg, var(--avh-orange), var(--avh-orange-light)) !important;
}

/* ===================================
   DASHBOARD HEADER
   =================================== */
.dashboard-header {
    background: linear-gradient(135deg, var(--avh-violet) 0%, var(--avh-orange) 100%);
    color: white;
}

.dashboard-header h1 {
    color: white;
}

.dashboard-header p {
    color: rgba(255, 255, 255, 0.9);
}

/* ===================================
   STATISTIQUES
   =================================== */
.stat-card-icon.danger {
    background: linear-gradient(135deg, var(--avh-orange), var(--avh-orange-light));
}

.stat-card-icon.info {
    background: linear-gradient(135deg, var(--avh-violet-light), var(--avh-violet));
}

.stat-card-icon.success {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.stat-card-icon.warning {
    background: linear-gradient(135deg, var(--avh-orange-light), #fee140);
}

.stat-badge.success {
    background: rgba(239, 91, 42, 0.15);
    color: var(--avh-orange-dark);
}

/* ===================================
   CARTES & CONTENUS
   =================================== */
.content-card {
    box-shadow: var(--shadow);
}

.content-card-title i {
    color: var(--avh-violet);
}

.featured-card {
    background: linear-gradient(135deg, var(--avh-violet) 0%, var(--avh-orange) 100%);
}

.recipients-counter {
    background: linear-gradient(135deg, var(--avh-violet), var(--avh-orange));
}

/* ===================================
   BADGES & STATUTS
   =================================== */
.badge-modern.success {
    background: rgba(239, 91, 42, 0.15);
    color: var(--avh-orange-dark);
}

.status-badge.actif, .log-status-badge.success {
    background: rgba(67, 233, 123, 0.15);
    color: #22543d;
}

.role-badge.admin, .role-badge.responsable {
    background: linear-gradient(135deg, rgba(90, 59, 142, 0.15), rgba(239, 91, 42, 0.15));
    color: var(--avh-violet);
}

/* ===================================
   ACTIVITÉS & MEMBRES
   =================================== */
.activity-card.ouverte {
    border-left-color: var(--avh-orange);
}

.member-avatar.actif, .user-avatar.admin, .user-avatar.responsable {
    background: linear-gradient(135deg, var(--avh-violet), var(--avh-orange));
}

.progress-bar {
    background: linear-gradient(90deg, var(--avh-orange), var(--avh-orange-light));
}

/* ===================================
   FORMULAIRES
   =================================== */
.form-control:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--avh-violet);
    box-shadow: 0 0 0 3px rgba(90, 59, 142, 0.1);
}

.form-check-input:checked {
    background: var(--avh-violet);
    border-color: var(--avh-violet);
}

.group-checkbox:hover, .group-checkbox.selected {
    border-color: var(--avh-violet);
}

.group-checkbox.selected {
    background: rgba(90, 59, 142, 0.1);
}

/* ===================================
   ACTIONS & BOUTONS
   =================================== */
.action-btn.view {
    background: rgba(90, 59, 142, 0.1);
    color: var(--avh-violet);
}

.action-btn.view:hover {
    background: var(--avh-violet);
    color: white;
}

.action-btn.edit {
    background: rgba(239, 91, 42, 0.1);
    color: var(--avh-orange);
}

.action-btn.edit:hover {
    background: var(--avh-orange);
    color: white;
}

/* ===================================
   LOGS
   =================================== */
.log-item.success {
    border-left-color: var(--avh-orange);
}

.log-icon.success {
    background: rgba(239, 91, 42, 0.15);
    color: var(--avh-orange-dark);
}

.stat-mini-icon.primary {
    background: rgba(90, 59, 142, 0.15);
    color: var(--avh-violet);
}

.stat-mini-icon.success {
    background: rgba(239, 91, 42, 0.15);
    color: var(--avh-orange-dark);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: white;
    border-top: 2px solid rgba(90, 59, 142, 0.1);
    margin-top: auto;
}

/* ===================================
   THÈME SOMBRE
   =================================== */
body.dark-theme {
    background: #1a202c;
    color: #e2e8f0;
}

body.dark-theme .navbar {
    background: #2d3748;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body.dark-theme .sidebar {
    background: linear-gradient(180deg, #2d3748 0%, #1a202c 100%);
}

body.dark-theme .content-card,
body.dark-theme .filter-card,
body.dark-theme .email-card,
body.dark-theme .form-card,
body.dark-theme .detail-card {
    background: #2d3748;
    color: #e2e8f0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

body.dark-theme .modern-table thead th {
    background: #1a202c;
    color: #a0aec0;
}

body.dark-theme .modern-table tbody tr:hover {
    background: #1a202c;
}

body.dark-theme .modern-table tbody td {
    border-bottom: 1px solid #4a5568;
    color: #cbd5e0;
}

body.dark-theme .activity-card,
body.dark-theme .log-item,
body.dark-theme .campaign-item {
    background: #2d3748;
}

body.dark-theme .form-control,
body.dark-theme .form-select,
body.dark-theme .form-textarea,
body.dark-theme .filter-input,
body.dark-theme .filter-select {
    background: #1a202c;
    border-color: #4a5568;
    color: #e2e8f0;
}

body.dark-theme .footer {
    background: #2d3748;
    border-top: 2px solid #4a5568;
}

body.dark-theme .stat-label,
body.dark-theme .info-label {
    color: #a0aec0;
}

body.dark-theme .stat-value,
body.dark-theme .info-value {
    color: #e2e8f0;
}

/* ===================================
   TOGGLE THÈME (Switch)
   =================================== */
.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    background: rgba(90, 59, 142, 0.1);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(90, 59, 142, 0.2);
}

.theme-switch {
    position: relative;
    width: 50px;
    height: 26px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #cbd5e0;
    transition: 0.4s;
    border-radius: 34px;
}

.theme-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .theme-slider {
    background: var(--avh-violet);
}

input:checked + .theme-slider:before {
    transform: translateX(24px);
}

.theme-icon {
    font-size: 18px;
    color: var(--avh-violet);
}

body.dark-theme .theme-icon {
    color: var(--avh-orange);
}

/* ===================================
   LOGIN PAGE
   =================================== */
.login-body {
    background: linear-gradient(135deg, var(--avh-violet) 0%, var(--avh-orange) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-body::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.login-card {
    position: relative;
    z-index: 1;
}

.login-header .mdi {
    color: var(--avh-violet);
}

.login-header h3 {
    background: linear-gradient(135deg, var(--avh-violet), var(--avh-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-login {
    background: linear-gradient(135deg, var(--avh-violet), var(--avh-orange)) !important;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 991px) {
    .sidebar {
        background: linear-gradient(180deg, #5A3B8E 0%, #4A2F75 100%);
    }
}