:root[data-theme="light"] {
  --bg: #f4f6f8; --surface: #ffffff; --text: #1a2233; --text-muted: #6b7280;
  --border: #e5e7eb; --primary: #0f766e; --primary-dark: #0b5c56;
  --danger: #dc2626; --warn: #d97706; --success: #16a34a; --sidebar-bg: #10231f; --sidebar-text: #d7e4e1;
}
:root[data-theme="dark"] {
  --bg: #0f1419; --surface: #171d24; --text: #e6ebf0; --text-muted: #9aa5b1;
  --border: #2a323c; --primary: #14b8a6; --primary-dark: #0d9488;
  --danger: #f87171; --warn: #fbbf24; --success: #4ade80; --sidebar-bg: #0a1512; --sidebar-text: #b9c9c4;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: 'Segoe UI', Tahoma, sans-serif; background: var(--bg); color: var(--text); }
[dir="rtl"] body { font-family: 'Segoe UI', 'Noto Nastaliq Urdu', Tahoma, sans-serif; }

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

.sidebar { width: 240px; background: var(--sidebar-bg); color: var(--sidebar-text); flex-shrink: 0; transition: margin .2s; }
.sidebar-brand { padding: 20px 16px; font-weight: 700; font-size: 15px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-nav { display: flex; flex-direction: column; padding: 8px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; color: var(--sidebar-text); text-decoration: none; border-radius: 8px; font-size: 14px; }
.nav-item:hover { background: rgba(255,255,255,.08); }
.sidebar.collapsed { margin-left: -240px; }
[dir="rtl"] .sidebar.collapsed { margin-left: 0; margin-right: -240px; }

.main-col { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-search { flex: 1; }
.topbar-search input { width: 100%; max-width: 360px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn { background: transparent; border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; cursor: pointer; color: var(--text); text-decoration: none; font-size: 14px; }
.user-menu { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.btn-link { color: var(--primary); text-decoration: none; }

.content { padding: 24px; }
.page-title { margin: 0 0 20px; font-size: 22px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.stat-card.stat-warn { border-color: var(--warn); }
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat-value { font-size: 20px; font-weight: 700; }

.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .panel-grid { grid-template-columns: 1fr; } .sidebar { position: fixed; z-index: 30; height: 100vh; margin-left: -240px; } [dir="rtl"] .sidebar { margin-left: 0; margin-right: -240px; } .sidebar.open { margin-left: 0; } [dir="rtl"] .sidebar.open { margin-right: 0; } }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.panel h2 { margin: 0 0 12px; font-size: 15px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
[dir="rtl"] .data-table th, [dir="rtl"] .data-table td { text-align: right; }
.muted { color: var(--text-muted); font-size: 13px; }

.toast { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.toast-success { background: rgba(22,163,74,.12); color: var(--success); border: 1px solid var(--success); }
.toast-error { background: rgba(220,38,38,.12); color: var(--danger); border: 1px solid var(--danger); }

.btn { display: inline-block; padding: 10px 16px; border-radius: 8px; border: none; cursor: pointer; font-size: 14px; font-weight: 600; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-block { width: 100%; }

.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 32px; width: 100%; max-width: 360px; }
.auth-title { font-size: 18px; margin: 0 0 20px; text-align: center; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form label { font-size: 13px; color: var(--text-muted); display: flex; flex-direction: column; gap: 6px; }
.auth-form input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; }