:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --color-bg: #f3f4f6;
    --color-surface: #ffffff;
    --color-text: #1f2937;
    --color-muted: #6b7280;
    --color-border: #e5e7eb;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

body {
    font-family: "Tajawal", "Segoe UI", Tahoma, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    margin: 0;
    direction: rtl;
}

a { color: inherit; text-decoration: none; }

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

.sidebar {
    width: 240px;
    background: #111827;
    color: #f9fafb;
    padding: 24px 16px;
    flex-shrink: 0;
}

.sidebar h1 {
    font-size: 18px;
    margin: 0 0 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #1f2937;
}

.sidebar nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: #d1d5db;
    margin-bottom: 4px;
    font-size: 15px;
}

.sidebar nav a:hover, .sidebar nav a.active {
    background: #1f2937;
    color: #fff;
}

.main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content { padding: 24px; flex: 1; }

.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

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

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.stat-card .value { font-size: 32px; font-weight: 700; color: var(--color-primary); }
.stat-card .label { color: var(--color-muted); margin-top: 4px; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-success { background: var(--color-success); color: #fff; }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-secondary { background: #e5e7eb; color: #1f2937; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 14px; }

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}

.form-control:focus { outline: none; border-color: var(--color-primary); }
.form-control.is-invalid { border-color: var(--color-danger); }
.invalid-feedback { color: var(--color-danger); font-size: 13px; margin-top: 4px; }

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-success { background: #dcfce7; color: #166534; }
.alert-danger { background: #fee2e2; color: #991b1b; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; text-align: right; border-bottom: 1px solid var(--color-border); font-size: 14px; }
th { color: var(--color-muted); font-weight: 600; background: #f9fafb; }
tr:hover td { background: #f9fafb; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.search-box { display: flex; gap: 8px; }
.search-box input { min-width: 260px; }

.actions { display: flex; gap: 6px; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--color-muted); }
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

.pagination { margin-top: 16px; display: flex; gap: 4px; flex-wrap: wrap; }
.pagination a, .pagination span {
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    font-size: 13px;
    color: var(--color-text);
}
.pagination .active span { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination .disabled { color: #9ca3af; }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e293b, #0f172a);
}

.login-card {
    background: var(--color-surface);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card p.subtitle { color: var(--color-muted); margin-top: 0; margin-bottom: 24px; font-size: 14px; }
.login-card .btn { width: 100%; justify-content: center; padding: 12px; font-size: 15px; }

.detail-list dt { color: var(--color-muted); font-size: 13px; margin-top: 12px; }
.detail-list dd { margin: 2px 0 0; font-size: 16px; font-weight: 600; }

@media (max-width: 768px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; padding: 12px 16px; }
    .sidebar nav { display: flex; overflow-x: auto; gap: 4px; }
    .sidebar h1 { display: none; }
    .content { padding: 14px; }
    table { display: block; overflow-x: auto; white-space: nowrap; }
}