:root {
    --sidebar-bg: #1d2327;
    --sidebar-text: #c3c4c7;
    --primary: #2271b1;
    --primary-dark: #135e96;
    --border: #dcdcde;
    --bg: #f0f2f5;
    --text: #1e1e1e;
    --success: #069054;
    --danger: #b32d2e;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
}

.admin-shell {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
}

.admin-sidebar .brand {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 24px;
    color: #fff;
}

.brand-logo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #72aee6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.admin-sidebar .nav-item {
    color: var(--sidebar-text);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 6px;
    display: block;
    margin-bottom: 4px;
    transition: background 0.2s, color 0.2s;
}

.admin-sidebar .nav-item:hover,
.admin-sidebar .nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.nav-group {
    margin-bottom: 16px;
}

.nav-group-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #8f98a1;
    padding: 8px 4px;
}

.nav-sub {
    background: #151a1f;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.nav-sub-item {
    color: #d0d2d4;
    text-decoration: none;
    padding: 10px 14px;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.nav-sub-item + .nav-sub-item {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.nav-sub-item:hover,
.nav-sub-item.active {
    background: rgba(255, 255, 255, 0.08);
    border-color: #72aee6;
    color: #fff;
}

.admin-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    padding: 24px;
    border-bottom: 1px solid var(--border);
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-topbar h1 {
    margin: 0 0 4px 0;
    font-size: 26px;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-inner {
    padding: 24px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.card h3 {
    margin: 0 0 12px 0;
    font-size: 16px;
    color: #50575e;
}

.card .value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.alert-success { background: #edfaef; color: var(--success); border: 1px solid #b7dfc8; }
.alert-danger { background: #fdf0f0; color: var(--danger); border: 1px solid #e2b4b4; }

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    background: #f6f7f7;
    font-weight: 600;
    color: #3c434a;
}

.btn {
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-link { background: transparent; color: var(--primary); padding: 0; }
.btn-block { width: 100%; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px;
    font-size: 14px;
    font-family: inherit;
}

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

.form-group small {
    color: #8f98a1;
    font-size: 12px;
}

.status {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.status-active { background: #edfaef; color: var(--success); }
.status-suspendue { background: #fff4e5; color: #a86008; }
.status-expiree { background: #fdf0f0; color: var(--danger); }

.login-body {
    background: #f0f2f5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    width: 320px;
    background: #fff;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
}

.login-logo {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
}

.login-note {
    font-size: 12px;
    color: #6c7781;
    margin-top: 16px;
}

.table-actions {
    display: flex;
    gap: 12px;
}

.badge {
    background: #f6f7f7;
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
}

.actions {
    margin-bottom: 16px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}