:root {
  --bg:        #0f1117;
  --sidebar:   #161821;
  --card:      #1e2030;
  --border:    #2a2d3e;
  --primary:   #5c67f2;
  --primary2:  #4453d6;
  --success:   #22c55e;
  --warning:   #f59e0b;
  --danger:    #ef4444;
  --info:      #38bdf8;
  --text:      #c0c4d6;
  --text-muted:#6b7280;
  --text-light:#e2e4f0;
  --white:     #ffffff;
  --sidebar-w: 260px;
  --header-h:  64px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Tahoma, Arial, sans-serif; background: var(--bg); color: var(--text); direction: rtl; font-size: 14px; line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary2); }

/* Sidebar */
.sidebar {
  position: fixed; top: 0; right: 0;
  width: var(--sidebar-w); height: 100vh;
  background: var(--sidebar); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; overflow-y: auto; z-index: 100;
}
.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 20px 16px; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-logo .logo-icon { width: 38px; height: 38px; background: var(--primary); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: #fff; }
.sidebar-logo .logo-text { font-size: 16px; font-weight: 700; color: var(--text-light); }
.sidebar-logo .logo-text span { font-size: 11px; color: var(--text-muted); display: block; }

.sidebar-section { padding: 6px 12px; font-size: 10px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 8px; }

.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; margin: 1px 8px; border-radius: 8px; cursor: pointer; transition: all .2s; color: var(--text-muted); font-size: 13.5px; }
.nav-item:hover { background: rgba(92,103,242,.12); color: var(--text-light); }
.nav-item.active { background: rgba(92,103,242,.18); color: var(--primary); font-weight: 600; }
.nav-item .icon { width: 20px; text-align: center; font-size: 16px; }
.nav-item .badge { margin-right: auto; background: var(--primary); color: #fff; font-size: 10px; padding: 1px 6px; border-radius: 10px; }

.sidebar-bottom { margin-top: auto; padding: 16px; border-top: 1px solid var(--border); }
.user-mini { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 8px; cursor: pointer; }
.user-mini:hover { background: rgba(255,255,255,.05); }
.user-mini .avatar { width: 34px; height: 34px; background: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; color: #fff; flex-shrink: 0; }
.user-mini .info { flex: 1; }
.user-mini .info .name { font-size: 13px; color: var(--text-light); font-weight: 600; }
.user-mini .info .role { font-size: 11px; color: var(--text-muted); }

/* Header */
.header {
  position: fixed; top: 0; right: var(--sidebar-w); left: 0;
  height: var(--header-h); background: var(--sidebar);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; z-index: 99;
}
.header-title { font-size: 18px; font-weight: 600; color: var(--text-light); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.btn-icon { width: 36px; height: 36px; border-radius: 8px; background: transparent; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--text-muted); transition: all .2s; }
.btn-icon:hover { background: rgba(255,255,255,.05); color: var(--text-light); }

/* Main */
.main { margin-right: var(--sidebar-w); padding-top: var(--header-h); min-height: 100vh; }
.page-content { padding: 24px; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-header h3 { font-size: 15px; font-weight: 600; color: var(--text-light); }
.card-body { padding: 20px; }

/* Stat Cards */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; display: flex; align-items: center; gap: 16px; }
.stat-icon { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.stat-icon.blue  { background: rgba(92,103,242,.18); color: var(--primary); }
.stat-icon.green { background: rgba(34,197,94,.18);  color: var(--success); }
.stat-icon.yellow{ background: rgba(245,158,11,.18); color: var(--warning); }
.stat-icon.red   { background: rgba(239,68,68,.18);  color: var(--danger); }
.stat-icon.cyan  { background: rgba(56,189,248,.18); color: var(--info); }
.stat-info .num  { font-size: 26px; font-weight: 700; color: var(--text-light); line-height: 1; }
.stat-info .lbl  { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.stat-info .trend{ font-size: 11px; margin-top: 4px; }
.trend-up   { color: var(--success); }
.trend-down { color: var(--danger); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; border-radius: 8px; border: none; cursor: pointer; font-size: 13px; font-weight: 500; transition: all .2s; white-space: nowrap; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary2); }
.btn-success  { background: var(--success); color: #fff; }
.btn-warning  { background: var(--warning); color: #fff; }
.btn-danger   { background: var(--danger); color: #fff; }
.btn-outline  { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: rgba(255,255,255,.05); }

/* Tables */
.table-wrap { overflow-x: auto; }
table.rsms-table { width: 100%; border-collapse: collapse; }
table.rsms-table th { padding: 12px 16px; text-align: right; font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.rsms-table td { padding: 14px 16px; border-bottom: 1px solid rgba(42,45,62,.6); color: var(--text); vertical-align: middle; }
table.rsms-table tr:last-child td { border-bottom: none; }
table.rsms-table tr:hover td { background: rgba(255,255,255,.02); }

/* Badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-success  { background: rgba(34,197,94,.15);   color: var(--success); }
.badge-warning  { background: rgba(245,158,11,.15);  color: var(--warning); }
.badge-danger   { background: rgba(239,68,68,.15);   color: var(--danger); }
.badge-primary  { background: rgba(92,103,242,.15);  color: var(--primary); }
.badge-info     { background: rgba(56,189,248,.15);  color: var(--info); }
.badge-muted    { background: rgba(107,114,128,.15); color: var(--text-muted); }

/* Forms */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px; }
.form-control { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; color: var(--text); font-size: 14px; transition: border .2s; }
.form-control:focus { outline: none; border-color: var(--primary); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* Progress bar */
.progress { background: var(--border); border-radius: 10px; height: 6px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: 10px; transition: width .3s; }

/* Page header */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-header h1 { font-size: 22px; font-weight: 700; color: var(--text-light); }
.page-header p  { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* Login page */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-box { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 40px; width: 100%; max-width: 420px; }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .icon { font-size: 44px; margin-bottom: 8px; }
.login-logo h1 { font-size: 22px; font-weight: 700; color: var(--text-light); }
.login-logo p  { font-size: 13px; color: var(--text-muted); }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13px; }
.alert-danger  { background: rgba(239,68,68,.1);  border: 1px solid rgba(239,68,68,.2);  color: #f87171; }
.alert-success { background: rgba(34,197,94,.1);  border: 1px solid rgba(34,197,94,.2);  color: #4ade80; }

/* Empty state */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }
.empty-state .icon { font-size: 42px; margin-bottom: 12px; opacity: .5; }
.empty-state h3 { font-size: 15px; color: var(--text); margin-bottom: 6px; }

/* Utilities */
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-2 { gap: 8px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mb-3 { margin-bottom: 16px; }
.text-muted { color: var(--text-muted); }
.text-light { color: var(--text-light); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-sm { font-size: 12px; }
.fw-600 { font-weight: 600; }
.text-center { text-align: center; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 220px; }
  .main { margin-right: 220px; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}