/* ===== VARIABLES ADMIN ===== */
:root {
    --admin-primary: #2E3192;
    --admin-secondary: #FDB913;
    --admin-dark: #1a1d5c;
    --admin-sidebar: #2c3e50;
    --admin-sidebar-hover: #34495e;
    --admin-bg: #f5f6fa;
    --admin-white: #ffffff;
    --admin-text: #2c3e50;
    --admin-text-light: #7f8c8d;
    --admin-border: #dfe6e9;
    --admin-success: #27ae60;
    --admin-danger: #e74c3c;
    --admin-warning: #f39c12;
    --admin-info: #3498db;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
}

/* ===== PAGE DE CONNEXION ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-dark) 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 450px;
}

.login-box {
    background: var(--admin-white);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 2rem;
    font-weight: bold;
    color: var(--admin-primary);
    margin-bottom: 1rem;
}

.login-header .logo i {
    color: var(--admin-secondary);
    font-size: 3rem;
}

.login-header h2 {
    color: var(--admin-text);
    font-size: 1.5rem;
}

.login-form {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--admin-text);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--admin-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--admin-primary);
}

.btn {
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--admin-primary);
    color: var(--admin-white);
    width: 100%;
}

.btn-primary:hover {
    background: var(--admin-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.login-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--admin-border);
}

.login-footer a {
    color: var(--admin-primary);
    text-decoration: none;
    font-weight: 500;
}

.login-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
}

.login-info code {
    background: var(--admin-white);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--admin-primary);
    font-weight: 600;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-error {
    background: #fee;
    color: var(--admin-danger);
    border: 1px solid var(--admin-danger);
}

.alert-success {
    background: #efe;
    color: var(--admin-success);
    border: 1px solid var(--admin-success);
}

/* ===== INTERFACE ADMIN ===== */
.admin-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--admin-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--admin-text);
    cursor: pointer;
}

.header-left .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--admin-primary);
}

.header-left .logo i {
    color: var(--admin-secondary);
    font-size: 1.8rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--admin-text);
}

.header-user i {
    font-size: 1.5rem;
    color: var(--admin-primary);
}

.admin-wrapper {
    display: flex;
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

.admin-sidebar {
    width: 260px;
    background: var(--admin-sidebar);
    color: var(--admin-white);
    position: fixed;
    left: 0;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-nav ul {
    list-style: none;
    padding: 1rem 0;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--admin-white);
    text-decoration: none;
    transition: all 0.3s;
    position: relative;
}

.sidebar-nav li a i {
    font-size: 1.2rem;
    width: 25px;
}

.sidebar-nav li a:hover {
    background: var(--admin-sidebar-hover);
}

.sidebar-nav li.active a {
    background: var(--admin-primary);
    border-left: 4px solid var(--admin-secondary);
}

.sidebar-nav .badge {
    margin-left: auto;
    background: var(--admin-danger);
    color: var(--admin-white);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: bold;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--admin-white);
    color: var(--admin-white);
}

.btn-outline:hover {
    background: var(--admin-white);
    color: var(--admin-primary);
}

.admin-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    color: var(--admin-primary);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--admin-text-light);
}

/* ===== STATISTIQUES ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--admin-white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 1.8rem;
    color: var(--admin-white);
}

.stat-info h3 {
    font-size: 2rem;
    color: var(--admin-text);
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--admin-text-light);
    font-size: 0.9rem;
}

/* ===== SECTIONS DE CONTENU ===== */
.content-section {
    background: var(--admin-white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--admin-border);
}

.section-header h2 {
    color: var(--admin-primary);
    font-size: 1.5rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-success {
    background: var(--admin-success);
    color: var(--admin-white);
}

.btn-danger {
    background: var(--admin-danger);
    color: var(--admin-white);
}

.btn-warning {
    background: var(--admin-warning);
    color: var(--admin-white);
}

.btn-info {
    background: var(--admin-info);
    color: var(--admin-white);
}

/* ===== TABLEAUX ===== */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--admin-bg);
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

.data-table th {
    font-weight: 600;
    color: var(--admin-text);
}

.data-table tbody tr:hover {
    background: var(--admin-bg);
}

.text-center {
    text-align: center !important;
}

.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-nouveau {
    background: #e3f2fd;
    color: var(--admin-info);
}

.badge-lu {
    background: #fff3e0;
    color: var(--admin-warning);
}

.badge-traite {
    background: #e8f5e9;
    color: var(--admin-success);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    color: var(--admin-text);
    background: var(--admin-bg);
    margin: 0 0.25rem;
}

.btn-icon:hover {
    background: var(--admin-primary);
    color: var(--admin-white);
}

/* ===== FORMULAIRES ===== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--admin-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--admin-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--admin-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.active {
        transform: translateX(0);
    }

    .admin-content {
        margin-left: 0;
    }

    .header-left .logo span {
        display: none;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .admin-header {
        padding: 0 1rem;
    }

    .admin-content {
        padding: 1rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .data-table {
        font-size: 0.85rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }
}