/* =======================================================================
   Admin Panel — Design System
   Palette: neutral + indigo/violet accent
   Supports: light/dark, LTR/RTL
   ======================================================================= */

:root {
  /* neutrals */
  --bg:            #f6f7fb;
  --bg-elev:       #ffffff;
  --bg-soft:       #f1f3f9;
  --border:        #e4e7ef;
  --border-strong: #d4d8e3;
  --text:          #0f172a;
  --text-soft:     #475569;
  --text-mute:     #94a3b8;

  /* accent (indigo/violet) */
  --accent:        #6366f1;
  --accent-hover:  #4f46e5;
  --accent-soft:   #eef2ff;
  --accent-strong: #4338ca;
  --violet:        #8b5cf6;
  --gradient:      linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);

  /* semantics */
  --success:       #10b981;
  --success-soft:  #d1fae5;
  --warning:       #f59e0b;
  --warning-soft:  #fef3c7;
  --danger:        #ef4444;
  --danger-soft:   #fee2e2;
  --info:          #0ea5e9;

  /* layout */
  --sidebar-w:     260px;
  --header-h:      64px;
  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     16px;
  --shadow-sm:     0 1px 2px rgba(15,23,42,.05);
  --shadow:        0 4px 14px rgba(15,23,42,.08);
  --shadow-lg:     0 20px 40px rgba(15,23,42,.12);

  --font:          'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-ar:       'Cairo', 'Noto Sans Arabic', 'Inter', sans-serif;
  --t:             200ms cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --bg:            #0b0f1a;
  --bg-elev:       #121826;
  --bg-soft:       #1a2130;
  --border:        #242b3d;
  --border-strong: #323a50;
  --text:          #e6e9f2;
  --text-soft:     #a3abc2;
  --text-mute:     #6b7489;
  --accent-soft:   rgba(99,102,241,.15);
  --success-soft:  rgba(16,185,129,.15);
  --warning-soft:  rgba(245,158,11,.15);
  --danger-soft:   rgba(239,68,68,.15);
  --shadow-sm:     0 1px 2px rgba(0,0,0,.3);
  --shadow:        0 4px 14px rgba(0,0,0,.4);
  --shadow-lg:     0 20px 40px rgba(0,0,0,.5);
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  transition: background var(--t), color var(--t);
}
html[dir="rtl"] body { font-family: var(--font-ar); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
h1,h2,h3,h4,h5 { margin: 0 0 .5em; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }
h1 { font-size: 24px; } h2 { font-size: 20px; } h3 { font-size: 17px; } h4 { font-size: 15px; }
p { margin: 0 0 1em; color: var(--text-soft); }

/* scrollbar */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }
*::-webkit-scrollbar-thumb:hover { background: var(--text-mute); }

/* ==================================================================
   LAYOUT
   ================================================================== */
.admin-wrapper { min-height: 100vh; }

/* sidebar */
.admin-sidebar {
  position: fixed; top: 0; inset-inline-start: 0;
  width: var(--sidebar-w); height: 100vh;
  background: var(--bg-elev);
  border-inline-end: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 40;
  transition: transform var(--t);
}
.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}
.brand-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--gradient);
  color: #fff; font-weight: 700; font-size: 16px;
  display: grid; place-items: center;
  box-shadow: 0 4px 12px rgba(99,102,241,.35);
}
.brand-text { font-weight: 700; font-size: 16px; color: var(--text); letter-spacing: -0.01em; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 10px; }
.nav-section {
  font-size: 11px; font-weight: 600; letter-spacing: .08em;
  color: var(--text-mute); text-transform: uppercase;
  padding: 16px 12px 8px;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; margin-bottom: 2px;
  border-radius: var(--radius-sm);
  color: var(--text-soft); font-weight: 500; font-size: 14px;
  transition: background var(--t), color var(--t);
}
.nav-item i { width: 18px; text-align: center; font-size: 15px; }
.nav-item:hover { background: var(--bg-soft); color: var(--text); }
.nav-item.active {
  background: var(--accent-soft); color: var(--accent);
  font-weight: 600;
}
.nav-item .badge {
  margin-inline-start: auto;
  background: var(--accent); color: #fff;
  font-size: 11px; padding: 2px 8px; border-radius: 20px; font-weight: 600;
}

.sidebar-footer {
  padding: 14px; border-top: 1px solid var(--border);
}
.user-info {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: var(--radius-sm);
}
.user-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--gradient); color: #fff;
  display: grid; place-items: center; font-weight: 600;
}
.user-details { min-width: 0; }
.user-name { font-weight: 600; color: var(--text); font-size: 13px; }
.user-role { font-size: 12px; color: var(--text-mute); }

/* header */
.admin-header {
  position: fixed; top: 0; inset-inline-start: var(--sidebar-w); inset-inline-end: 0;
  height: var(--header-h);
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; z-index: 30;
}
.header-left  { display: flex; align-items: center; gap: 14px; }
.header-right { display: flex; align-items: center; gap: 8px; }
.page-title   { font-size: 18px; font-weight: 600; margin: 0; }

.sidebar-toggle {
  display: none; background: transparent; border: 0;
  font-size: 18px; color: var(--text-soft); cursor: pointer; padding: 8px;
}
.header-btn {
  background: transparent; border: 0;
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  color: var(--text-soft); cursor: pointer;
  display: grid; place-items: center;
  transition: background var(--t), color var(--t);
}
.header-btn:hover { background: var(--bg-soft); color: var(--text); }

.header-profile {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px 6px 6px;
  border-radius: 40px;
  cursor: pointer;
  transition: background var(--t);
}
.header-profile:hover { background: var(--bg-soft); }
.profile-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--gradient); color: #fff;
  display: grid; place-items: center; font-weight: 600; font-size: 13px;
}

/* main */
.admin-main {
  margin-inline-start: var(--sidebar-w);
  margin-top: var(--header-h);
  padding: 28px;
  min-height: calc(100vh - var(--header-h));
}

/* ==================================================================
   COMPONENTS
   ================================================================== */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 18px; }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 15px; font-weight: 600; margin: 0; }

/* stats grid */
.stats-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative; overflow: hidden;
  transition: transform var(--t), box-shadow var(--t);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card::before {
  content: ''; position: absolute; top: 0; inset-inline-start: 0;
  width: 4px; height: 100%; background: var(--gradient);
}
.stat-label { color: var(--text-mute); font-size: 12px; font-weight: 600;
  letter-spacing: .05em; text-transform: uppercase; margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1.1; }
.stat-sub { font-size: 12px; color: var(--text-soft); margin-top: 6px; }
.stat-icon {
  position: absolute; top: 18px; inset-inline-end: 18px;
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-size: 17px;
}

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--radius-sm);
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border); cursor: pointer;
  font-family: inherit; font-size: 14px; font-weight: 500;
  transition: all var(--t); text-decoration: none;
}
.btn:hover { background: var(--border); }
.btn-primary {
  background: var(--gradient); color: #fff; border-color: transparent;
  box-shadow: 0 4px 12px rgba(99,102,241,.3);
}
.btn-primary:hover { color: #fff; transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(99,102,241,.4); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-soft); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn-danger  { background: var(--danger); color: #fff; border-color: transparent; }
.btn-danger:hover { background: #dc2626; color: #fff; }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn-icon { width: 34px; height: 34px; padding: 0; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* forms */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block; margin-bottom: 6px;
  font-weight: 500; color: var(--text); font-size: 13px;
}
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px 14px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14px;
  transition: border-color var(--t), box-shadow var(--t);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-textarea { min-height: 100px; resize: vertical; font-family: 'Monaco', 'Consolas', monospace; font-size: 13px; }
.form-help { font-size: 12px; color: var(--text-mute); margin-top: 4px; }

/* tables */
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td {
  padding: 12px 14px; text-align: start;
  border-bottom: 1px solid var(--border);
}
.admin-table th {
  font-size: 11px; font-weight: 600; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: .06em;
  background: var(--bg-soft);
}
.admin-table tbody tr { transition: background var(--t); }
.admin-table tbody tr:hover { background: var(--bg-soft); }
.admin-table td { color: var(--text); font-size: 14px; }

/* badges */
.badge-pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11.5px; font-weight: 600;
  background: var(--accent-soft); color: var(--accent);
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger  { background: var(--danger-soft); color: var(--danger); }
.badge-mute    { background: var(--bg-soft); color: var(--text-soft); }

/* alerts */
.admin-alert {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  margin-bottom: 16px; font-size: 14px;
}
.admin-alert.success { background: var(--success-soft); color: var(--success); }
.admin-alert.danger  { background: var(--danger-soft);  color: var(--danger); }
.admin-alert.warning { background: var(--warning-soft); color: var(--warning); }

/* dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; inset-inline-end: 0; top: calc(100% + 6px);
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  min-width: 200px; padding: 6px; z-index: 50;
  opacity: 0; transform: translateY(-6px); pointer-events: none;
  transition: opacity var(--t), transform var(--t);
}
.dropdown.open .dropdown-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
.dropdown-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 6px;
  color: var(--text); font-size: 13.5px; cursor: pointer;
  transition: background var(--t);
}
.dropdown-item i { width: 16px; color: var(--text-mute); }
.dropdown-item:hover { background: var(--bg-soft); color: var(--text); }
.dropdown-item.danger { color: var(--danger); }
.dropdown-item.danger:hover { background: var(--danger-soft); }
.dropdown-item.active { background: var(--accent-soft); color: var(--accent); }
.dropdown-divider { height: 1px; background: var(--border); margin: 6px 0; }

/* theme toggle specific */
.theme-toggle .icon-dark  { display: none; }
[data-theme="dark"] .theme-toggle .icon-light { display: none; }
[data-theme="dark"] .theme-toggle .icon-dark  { display: inline; }

/* login page */
.login-page {
  min-height: 100vh; display: grid; place-items: center;
  background:
    radial-gradient(1000px 600px at 10% -10%, rgba(99,102,241,.15), transparent 60%),
    radial-gradient(800px 500px at 110% 110%, rgba(139,92,246,.15), transparent 60%),
    var(--bg);
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 420px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}
.login-brand {
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
}
.login-card h1 { font-size: 22px; margin-bottom: 6px; }
.login-card .muted { color: var(--text-mute); margin-bottom: 24px; font-size: 13.5px; }

/* api playground */
.api-tester { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.api-tester .col { background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; }
.request-line { display: flex; gap: 8px; margin-bottom: 12px; }
.request-line .form-select { max-width: 120px; font-weight: 600; }
.code-block {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px;
  font-family: 'Monaco', 'Consolas', monospace; font-size: 12.5px;
  max-height: 420px; overflow: auto; white-space: pre-wrap; word-break: break-word;
  color: var(--text);
}
.http-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 700;
}
.http-200 { background: var(--success-soft); color: var(--success); }
.http-400, .http-401, .http-403, .http-404 { background: var(--warning-soft); color: var(--warning); }
.http-500 { background: var(--danger-soft); color: var(--danger); }

/* progress bars (server monitor) */
.progress {
  height: 8px; background: var(--bg-soft); border-radius: 20px; overflow: hidden;
}
.progress-bar {
  height: 100%; background: var(--gradient);
  transition: width var(--t);
}
.progress-bar.warn { background: var(--warning); }
.progress-bar.danger { background: var(--danger); }

/* mobile overlay */
.mobile-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  z-index: 35; opacity: 0; pointer-events: none;
  transition: opacity var(--t);
}
body.sidebar-open .mobile-overlay { opacity: 1; pointer-events: auto; }

/* ==================================================================
   RTL tweaks
   ================================================================== */
html[dir="rtl"] .stat-card::before {
  inset-inline-start: auto;
  inset-inline-end: 0;
}

/* ==================================================================
   Responsive
   ================================================================== */
@media (max-width: 1024px) {
  .api-tester { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .admin-sidebar { transform: translateX(-100%); }
  html[dir="rtl"] .admin-sidebar { transform: translateX(100%); }
  body.sidebar-open .admin-sidebar { transform: translateX(0); }
  .admin-header { inset-inline-start: 0; }
  .admin-main   { margin-inline-start: 0; padding: 18px; }
  .sidebar-toggle { display: grid; place-items: center; }
}

/* ==================================================================
   Utilities
   ================================================================== */
.flex { display: flex; } .flex-col { flex-direction: column; }
.items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 12px; } .mb-4 { margin-bottom: 16px; }
.text-mute { color: var(--text-mute); } .text-soft { color: var(--text-soft); }
.text-center { text-align: center; }
.w-full { width: 100%; }
.hidden { display: none !important; }