:root {
  --sidebar-w: 260px;
  --nav-h: 60px;
  --bg: #f0f4f8;
  --bg-pattern: radial-gradient(ellipse at 20% 0%, rgba(37,99,235,.06), transparent 50%),
                radial-gradient(ellipse at 80% 100%, rgba(124,58,237,.05), transparent 45%);
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef2ff;
  --primary-rgb: 79, 70, 229;
  --sidebar-bg: linear-gradient(180deg, #0b1220 0%, #111827 55%, #0f172a 100%);
  --sidebar-text: #94a3b8;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #0284c7;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 3px rgba(15,23,42,.04), 0 4px 16px rgba(15,23,42,.05);
  --shadow-lg: 0 12px 40px rgba(15,23,42,.1);
  --shadow-btn: 0 4px 14px rgba(var(--primary-rgb), .35);
  --transition: .22s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  background-image: var(--bg-pattern);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  padding-top: var(--nav-h);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }

/* ========== Navbar ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(226,232,240,.8);
  display: flex; align-items: center; padding: 0 1.35rem;
  z-index: 1050; gap: .85rem;
  box-shadow: 0 1px 0 rgba(255,255,255,.8) inset;
}
.navbar-brand {
  font-weight: 800; font-size: 1.05rem;
  display: flex; align-items: center; gap: .55rem;
  letter-spacing: -.02em;
}
.navbar-brand i {
  width: 32px; height: 32px; border-radius: 10px;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #fff; display: grid; place-items: center; font-size: 1rem;
  box-shadow: 0 4px 12px rgba(79,70,229,.4);
}
.navbar .ms-auto { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.avatar-circle {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, #4f46e5, #a855f7);
  color: #fff; display: grid; place-items: center;
  font-weight: 700; font-size: .85rem;
  box-shadow: 0 3px 10px rgba(79,70,229,.35);
  border: 2px solid #fff;
}

/* ========== Sidebar ========== */
.sidebar {
  position: fixed; top: var(--nav-h); left: 0;
  width: var(--sidebar-w); height: calc(100vh - var(--nav-h));
  background: var(--sidebar-bg);
  overflow-y: auto; z-index: 1040;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  scrollbar-width: thin; scrollbar-color: #334155 transparent;
  border-right: 1px solid rgba(255,255,255,.04);
}
.sidebar-brand-mini {
  display: flex; align-items: center; gap: .6rem;
  padding: 1.1rem 1.35rem .4rem;
  color: #e2e8f0; font-weight: 700; font-size: .8rem;
  letter-spacing: .06em; text-transform: uppercase;
}
.sidebar-brand-mini .brand-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  box-shadow: 0 0 10px rgba(99,102,241,.8);
}
.sidebar-nav { padding: .4rem 0 1.75rem; list-style: none; }
.sidebar-section {
  padding: 1.15rem 1.35rem .35rem;
  font-size: .65rem; text-transform: uppercase; letter-spacing: .08em;
  color: #475569; font-weight: 700;
}
.sidebar-nav .nav-link {
  display: flex; align-items: center; gap: .75rem;
  padding: .68rem 1.15rem; margin: 2px .65rem;
  color: var(--sidebar-text); font-weight: 500; font-size: .875rem;
  border-radius: 12px;
  transition: all var(--transition);
  position: relative;
}
.sidebar-nav .nav-link:hover {
  background: rgba(255,255,255,.07);
  color: #f1f5f9;
  transform: translateX(3px);
}
.sidebar-nav .nav-link.active {
  background: linear-gradient(90deg, rgba(99,102,241,.22), rgba(99,102,241,.08));
  color: #c7d2fe;
  box-shadow: inset 3px 0 0 #818cf8;
}
.sidebar-nav .nav-link.active i { color: #a5b4fc; }
.sidebar-nav .nav-link i { font-size: 1.15rem; width: 22px; text-align: center; opacity: .9; }
.sidebar-nav .nav-link.text-danger-nav { color: #f87171; }
.sidebar-nav .nav-link.text-danger-nav:hover {
  background: rgba(248,113,113,.12); color: #fca5a5;
}

/* ========== Main ========== */
.main-content {
  margin-left: var(--sidebar-w); padding: 1.6rem 1.85rem 2.75rem;
  min-height: calc(100vh - var(--nav-h));
  animation: fadeIn .4s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.page-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.6rem; flex-wrap: wrap; gap: .85rem;
}
.page-header h4 {
  font-size: 1.4rem; font-weight: 800; margin-bottom: .15rem;
  letter-spacing: -.025em;
  background: linear-gradient(135deg, #0f172a 30%, #475569);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-header p { color: var(--muted); font-size: .875rem; }

/* ========== Stat cards ========== */
.stat-card {
  background: var(--card);
  border: 1px solid rgba(226,232,240,.9);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  display: flex; align-items: center; gap: 1.05rem;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; right: 0; width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(var(--primary-rgb),.06), transparent 70%);
  pointer-events: none;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--primary-rgb), .2);
}
.stat-card .icon-box {
  width: 50px; height: 50px; border-radius: 14px;
  display: grid; place-items: center; font-size: 1.3rem; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,.06);
}
.stat-card .label {
  font-size: .75rem; color: var(--muted); margin-bottom: .15rem;
  font-weight: 500; text-transform: uppercase; letter-spacing: .03em;
}
.stat-card .value {
  font-size: 1.45rem; font-weight: 800; line-height: 1.15;
  letter-spacing: -.03em;
}

/* ========== Panels & forms ========== */
.panel-card, .form-card, .table-card {
  background: var(--card);
  border: 1px solid rgba(226,232,240,.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-card .panel-head {
  padding: 1.05rem 1.35rem;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; gap: .75rem;
  background: linear-gradient(180deg, #fafbfc, #fff);
}
.panel-card .panel-head h5 {
  font-size: .95rem; font-weight: 700; margin: 0; letter-spacing: -.01em;
}
.form-card {
  padding: 1.5rem 1.6rem;
  margin-bottom: 1.5rem;
}
.form-card h5 {
  font-size: 1.05rem; font-weight: 700; margin-bottom: 1.2rem;
  letter-spacing: -.01em;
}

/* ========== Tables ========== */
.table { margin: 0; font-size: .85rem; }
.table thead th {
  background: #f8fafc;
  font-size: .7rem; text-transform: uppercase;
  letter-spacing: .05em; color: var(--muted); font-weight: 700;
  border-bottom: 1px solid var(--border);
  padding: .8rem 1.1rem; white-space: nowrap;
}
.table td {
  padding: .75rem 1.1rem; vertical-align: middle;
  border-bottom: 1px solid #f1f5f9;
}
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background: #f8fafc; }
.table tbody tr:last-child td { border-bottom: 0; }

/* ========== Forms ========== */
.form-label { font-weight: 600; font-size: .82rem; margin-bottom: .4rem; color: #334155; }
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  padding: .6rem .9rem;
  font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: #fff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .12);
  outline: none;
}
.form-control:disabled, .form-select:disabled {
  background: #f8fafc; opacity: .75;
}
.form-text { font-size: .78rem; color: var(--muted); }

/* ========== Buttons — modern & keren ========== */
.btn {
  border-radius: 12px;
  font-weight: 600;
  font-size: .875rem;
  padding: .55rem 1.2rem;
  transition: all var(--transition);
  border-width: 1.5px;
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  letter-spacing: -.01em;
  position: relative; overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.15), transparent);
  pointer-events: none; opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(.97); }

.btn-primary {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #7c3aed 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #4338ca, #4f46e5 50%, #6d28d9);
  border-color: transparent;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), .45);
}
.btn-primary:disabled {
  background: #94a3b8; box-shadow: none; transform: none;
}

.btn-success {
  background: linear-gradient(135deg, #059669, #10b981);
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px rgba(5,150,105,.3);
}
.btn-success:hover {
  background: linear-gradient(135deg, #047857, #059669);
  color: #fff; transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px rgba(220,38,38,.3);
}
.btn-danger:hover {
  background: linear-gradient(135deg, #b91c1c, #dc2626);
  color: #fff; transform: translateY(-2px);
}

.btn-warning {
  background: linear-gradient(135deg, #d97706, #f59e0b);
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px rgba(217,119,6,.3);
}
.btn-warning:hover { color: #fff; transform: translateY(-2px); }

.btn-outline-primary {
  border-color: rgba(var(--primary-rgb), .4);
  color: var(--primary);
  background: transparent;
}
.btn-outline-primary:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), .15);
}

.btn-outline-secondary {
  border-color: #cbd5e1; color: #475569; background: #fff;
}
.btn-outline-secondary:hover {
  background: #f8fafc; border-color: #94a3b8; color: #1e293b;
  transform: translateY(-1px);
}

.btn-outline-success {
  border-color: rgba(5,150,105,.4); color: var(--success); background: #fff;
}
.btn-outline-success:hover {
  background: #ecfdf5; border-color: var(--success); color: #047857;
  transform: translateY(-1px);
}

.btn-outline-danger {
  border-color: rgba(220,38,38,.35); color: var(--danger); background: #fff;
}
.btn-outline-danger:hover {
  background: #fef2f2; border-color: var(--danger); color: #b91c1c;
  transform: translateY(-1px);
}

.btn-outline-warning {
  border-color: rgba(217,119,6,.4); color: var(--warning); background: #fff;
}
.btn-outline-warning:hover {
  background: #fffbeb; border-color: var(--warning);
  transform: translateY(-1px);
}

.btn-outline-info {
  border-color: rgba(2,132,199,.4); color: var(--info); background: #fff;
}
.btn-outline-info:hover {
  background: #f0f9ff; border-color: var(--info);
  transform: translateY(-1px);
}

.btn-outline-dark {
  border-color: #94a3b8; color: #334155; background: #fff;
}
.btn-outline-dark:hover {
  background: #0f172a; color: #fff; border-color: #0f172a;
  transform: translateY(-1px);
}

.btn-sm {
  border-radius: 9px;
  padding: .35rem .75rem;
  font-size: .8rem;
  font-weight: 600;
}

.btn-lg {
  padding: .7rem 1.5rem;
  font-size: .95rem;
  border-radius: 14px;
}

/* ========== Badges ========== */
.badge {
  font-weight: 600; font-size: .72rem;
  padding: .35em .7em; border-radius: 8px;
  letter-spacing: .01em;
}
.badge.bg-success { background: linear-gradient(135deg, #059669, #10b981) !important; }
.badge.bg-warning { background: linear-gradient(135deg, #d97706, #f59e0b) !important; color: #fff !important; }
.badge.bg-danger { background: linear-gradient(135deg, #dc2626, #ef4444) !important; }
.badge.bg-primary { background: linear-gradient(135deg, #4f46e5, #7c3aed) !important; }
.badge.bg-secondary { background: #64748b !important; }
.badge.bg-dark { background: #1e293b !important; }
.badge.rounded-pill { border-radius: 999px !important; padding: .4em 1em; }

/* ========== Alerts ========== */
.alert {
  border-radius: 14px;
  border: none;
  border-left: 4px solid transparent;
  box-shadow: var(--shadow);
  font-size: .875rem;
}
.alert-success { background: #ecfdf5; border-left-color: var(--success); color: #065f46; }
.alert-danger { background: #fef2f2; border-left-color: var(--danger); color: #991b1b; }
.alert-warning { background: #fffbeb; border-left-color: var(--warning); color: #92400e; }
.alert-info { background: #f0f9ff; border-left-color: var(--info); color: #075985; }

/* ========== Login ========== */
.login-wrapper {
  min-height: 100vh; display: grid; place-items: center;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(79,70,229,.25), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(168,85,247,.2), transparent 45%),
    linear-gradient(145deg, #0b1220 0%, #1e1b4b 50%, #0f172a 100%);
  padding: 1rem;
}
.login-card {
  width: 100%; max-width: 420px; background: var(--card);
  border-radius: 22px; overflow: hidden;
  box-shadow: 0 25px 60px -12px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.05);
  animation: fadeIn .45s ease;
}
.login-card .card-header {
  background: linear-gradient(135deg, #4f46e5, #7c3aed 60%, #a855f7);
  color: #fff; text-align: center; padding: 2.2rem 1.5rem 1.75rem; border: 0;
}
.login-card .card-header h4 { font-weight: 800; letter-spacing: -.02em; }
.login-card .card-body { padding: 1.85rem; }
.login-card .form-control { border-radius: 12px; padding: .7rem 1rem; }
.login-card .btn-primary {
  border-radius: 12px; padding: .75rem; font-weight: 700;
  width: 100%;
}

/* ========== Toast ========== */
.toast-container { position: fixed; top: calc(var(--nav-h) + 14px); right: 18px; z-index: 9999; }
.admin-toast {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow-lg); padding: .9rem 1.15rem; margin-bottom: .55rem;
  display: flex; align-items: center; gap: .7rem; min-width: 270px;
  animation: slideIn .3s ease; font-size: .875rem;
}
.admin-toast.success { border-left: 4px solid var(--success); }
.admin-toast.danger { border-left: 4px solid var(--danger); }
.admin-toast.warning { border-left: 4px solid var(--warning); }
@keyframes slideIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: none; }
}

/* ========== Empty / filter ========== */
.empty-state { text-align: center; padding: 2.75rem 1rem; color: var(--muted); }
.empty-state i { font-size: 2.25rem; opacity: .35; display: block; margin-bottom: .6rem; }
.filter-bar {
  display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1rem; align-items: center;
}
.filter-bar .btn { border-radius: 999px; }

/* ========== Soft backgrounds ========== */
.bg-primary-soft { background: var(--primary-soft); color: var(--primary); }
.bg-success-soft { background: #ecfdf5; color: var(--success); }
.bg-warning-soft { background: #fffbeb; color: var(--warning); }
.bg-danger-soft  { background: #fef2f2; color: var(--danger); }
.bg-info-soft    { background: #f0f9ff; color: var(--info); }
.text-muted { color: var(--muted) !important; }

/* ========== Confirm modal ========== */
.confirm-backdrop {
  position: fixed; inset: 0; background: rgba(15,23,42,.5);
  z-index: 2000; display: grid; place-items: center;
  animation: fadeIn .2s ease; backdrop-filter: blur(4px);
}
.confirm-box {
  background: var(--card); border-radius: 20px; padding: 1.75rem;
  width: min(90%, 400px); box-shadow: var(--shadow-lg); text-align: center;
  border: 1px solid var(--border);
}
.confirm-box p { margin: .85rem 0 1.35rem; color: var(--muted); }
.confirm-box .btn-group-confirm { display: flex; gap: .55rem; justify-content: center; }

/* ========== Quick action chips (dashboard) ========== */
.quick-actions {
  display: flex; flex-wrap: wrap; gap: .65rem; margin-bottom: 1.5rem;
}
.quick-action {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .65rem 1.15rem;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  font-weight: 600; font-size: .85rem;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.quick-action i {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center; font-size: .95rem;
}
.quick-action:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--primary-rgb), .35);
  color: var(--primary);
}

/* ========== Responsive ========== */
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); box-shadow: 12px 0 40px rgba(0,0,0,.3); }
  .main-content { margin-left: 0; padding: 1.2rem; }
  .page-header h4 { font-size: 1.2rem; }
}
.sidebar-overlay {
  display: none; position: fixed; inset: var(--nav-h) 0 0 0;
  background: rgba(0,0,0,.5); z-index: 1030; backdrop-filter: blur(3px);
}
.sidebar-overlay.show { display: block; }

/* Code / mono */
code {
  background: #f1f5f9; padding: .15em .4em; border-radius: 6px;
  font-size: .85em; color: #4338ca;
}
pre code { background: transparent; padding: 0; }
pre.bg-light {
  background: #f8fafc !important;
  border: 1px solid var(--border);
  border-radius: 12px;
}

/* ========== Sidebar dropdown / submenu ========== */
.sidebar-nav .has-submenu > .submenu-toggle {
  cursor: pointer;
}
.sidebar-nav .submenu-chevron {
  font-size: .7rem;
  opacity: .7;
  transition: transform .25s ease;
  margin-left: auto;
}
.sidebar-nav .has-submenu.open > .submenu-toggle .submenu-chevron {
  transform: rotate(180deg);
}
.sidebar-nav .submenu {
  list-style: none;
  padding: 0 0 .35rem 0;
  margin: 0;
  overflow: hidden;
}
.sidebar-nav .submenu .nav-link.submenu-link {
  padding: .5rem 1.15rem .5rem 2.65rem;
  margin: 1px .65rem;
  font-size: .82rem;
  border-radius: 10px;
}
.sidebar-nav .submenu .nav-link.submenu-link i {
  font-size: 1rem;
  width: 18px;
}
.sidebar-nav .submenu .nav-link.submenu-link.active {
  background: linear-gradient(90deg, rgba(99,102,241,.22), rgba(99,102,241,.08));
  color: #c7d2fe;
  box-shadow: inset 3px 0 0 #818cf8;
}

/* ========== Pagination ========== */
.admin-pagination .pagination .page-link {
  border-radius: 8px;
  margin: 0 2px;
  min-width: 32px;
  text-align: center;
  color: var(--text);
  border-color: var(--border);
}
.admin-pagination .pagination .page-item.active .page-link {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  border-color: transparent;
  color: #fff;
}
.admin-pagination .pagination .page-item.disabled .page-link {
  opacity: .45;
}