:root{
  --blue:#4f8df7;
  --blue-2:#3b82f6;
  --green:#22c55e;
  --green-2:#34b399;
  --red:#ef4444;
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --radius:16px;
}
*{box-sizing:border-box;font-family:"Cairo",sans-serif}
body{margin:0;background:var(--bg);color:var(--text)}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{direction:ltr;width:260px;background:#fff;padding:28px 20px;box-shadow:0 10px 30px rgba(0,0,0,.06)}
.main{direction:ltr;flex:1;padding:30px 40px}

[dir="rtl"] .layout{direction:rtl}
[dir="rtl"] .sidebar{direction:rtl}
[dir="rtl"] .main{direction:rtl}

/* Sidebar */
.sidebar h3{margin:0 0 28px 0;font-size:18px}
.lang-switch{margin:10px 0 18px 0}
.lang-switch select{width:100%;padding:8px;border-radius:10px;border:1px solid var(--border);background:#fff}
.sidebar .avatar{display:flex;align-items:center;gap:12px;margin-bottom:22px;position:relative}
.sidebar .avatar-img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid #e5e7eb}
.sidebar .avatar-name{font-size:14px;color:#1f2937}
.sidebar .avatar-menu{position:absolute;top:52px;right:0;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 8px 20px rgba(0,0,0,.08);padding:8px;min-width:160px;display:none;z-index:10}
.sidebar .avatar.open .avatar-menu{display:block}
.sidebar .avatar-menu a{display:block;padding:8px 10px;border-radius:8px;text-decoration:none;color:#374151;font-size:13px}
.sidebar .avatar-menu a:hover{background:#f3f4f6}
.sidebar .avatar-menu button{width:100%;border:none;background:transparent;text-align:right;padding:8px 10px;border-radius:8px;color:#374151;font-size:13px;cursor:pointer}
.sidebar .avatar-menu button:hover{background:#f3f4f6}
.sidebar a{display:block;padding:12px 16px;margin-bottom:10px;border-radius:12px;text-decoration:none;color:#374151;font-size:14px;display:flex;align-items:center;gap:10px}
.sidebar a i{width:20px;text-align:center;color:#9ca3af;font-size:14px}
.sidebar a.active,.sidebar a:hover{background:#eef2ff;color:var(--blue)}
.sidebar a.active i,.sidebar a:hover i{color:var(--blue)}

/* Headings */
h1{margin:0 0 20px 0;font-size:28px}
h2{margin:0 0 16px 0}
h3{margin:0 0 14px 0}

/* Cards */
.card{background:#fff;padding:20px;border-radius:var(--radius);box-shadow:0 12px 30px rgba(0,0,0,.06)}
.card + .card{margin-top:20px}

/* Buttons */
.btn{border:none;padding:10px 18px;border-radius:10px;cursor:pointer;font-size:14px;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.btn-sm{padding:6px 10px;border-radius:8px;font-size:12px}
.table-actions .btn{white-space:nowrap}
.btn-blue{background:var(--blue);color:#fff}
.btn-green{background:var(--green);color:#fff}
.btn-red{background:var(--red);color:#fff}
.btn-gray{background:#e5e7eb;color:#374151}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Badges */
.status{padding:6px 14px;border-radius:999px;color:#fff;font-size:12px;display:inline-block}
.status.pending{background:var(--blue)}
.status.checked{background:#0ea5e9}
.status.approved{background:var(--green)}
.status.rejected{background:var(--red)}

/* Forms */
label{font-size:13px;color:var(--muted);display:block;margin-bottom:6px}
input, select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);font-size:14px;background:#fff}

/* Tables */
table{width:100%;border-collapse:collapse}
thead{background:#f1f5f9}
th,td{padding:12px 10px;text-align:center;font-size:14px}
tbody tr:not(:last-child){border-bottom:1px solid #eee}

/* Utilities */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-main{display:grid;grid-template-columns:1.2fr 2fr;gap:24px}
.muted{color:var(--muted)}
.spacer{height:16px}

/* Dashboard cards */
.action-card{color:#fff;padding:18px;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;font-weight:600}
.action-card.green{background:linear-gradient(135deg,#6ee7b7,#34b399)}
.action-card.blue{background:linear-gradient(135deg,#60a5fa,#3b82f6)}
.stat-card{display:flex;justify-content:space-between;align-items:center;padding:14px;border-bottom:1px solid #eee}
.stat-card:last-child{border-bottom:none}
.stat-card strong{font-size:22px;color:var(--green)}

/* Filters */
.filters{display:grid;grid-template-columns:1fr 1fr 1fr 1.2fr auto;gap:16px;align-items:end}
.filters .btn{height:42px}

/* Pagination */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:16px}
.page{background:#fff;border:1px solid var(--border);padding:6px 12px;border-radius:8px}

/* RFID box */
.rfid-box{border:2px dashed #c7d2fe;border-radius:14px;padding:18px;text-align:center}
.log{max-height:150px;overflow:auto;font-size:13px}
.log div{border-bottom:1px solid #eee;padding:6px 0}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;z-index:999}
.modal.show{display:flex}
.modal-card{background:#fff;border-radius:16px;box-shadow:0 12px 30px rgba(0,0,0,.2);padding:24px;min-width:360px}
.modal-card h3{margin-bottom:14px}

/* Info items */
.info-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #eee}
.info-item:last-child{border-bottom:none}
.sample-no{font-size:22px;font-weight:700}

/* Alerts */
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px}
.alert.error{background:#fee2e2;color:#991b1b}
.alert.success{background:#dcfce7;color:#166534}