/* =============================================
   BTQ MIM27 — Design System
   Font: Inter (Google Fonts)
   Theme: Deep Purple / Indigo Glassmorphism
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --primary:        #2563eb;
  --primary-light:  #3b82f6;
  --primary-dark:   #1d4ed8;
  --secondary:      #475569;
  --accent:         #0ea5e9;
  --success:        #16a34a;
  --warning:        #ca8a04;
  --danger:         #dc2626;
  --info:           #2563eb;

  --bg-dark:        #f8fafc;
  --bg-card:        #ffffff;
  --bg-card-hover:  #f1f5f9;
  --sidebar-bg:     #0f172a;
  --sidebar-width:  260px;

  --text-primary:   #0f172a;
  --text-secondary: #334155;
  --text-muted:     #64748b;
  --border:         #e2e8f0;
  --border-focus:   rgba(37,99,235,0.4);

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-glow:0 0 12px rgba(37,99,235,0.15);

  --transition: all 0.2s ease-in-out;
  --font:       'Inter', sans-serif;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.03); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 99px; }

/* ============================================================
   LAYOUT
   ============================================================ */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: white;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}

.sidebar-logo .logo-text {
  display: flex;
  flex-direction: column;
}

.sidebar-logo .logo-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.sidebar-logo .logo-sub {
  font-size: 10px;
  color: #94a3b8;
  font-weight: 400;
  line-height: 1.4;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-group-label {
  font-size: 10px;
  font-weight: 600;
  color: #475569;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 12px 20px 6px;
  margin-top: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 500;
  border-radius: 0;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.nav-link:hover {
  color: #fff;
  background: rgba(37,99,235,0.12);
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(37,99,235,0.15), transparent);
  border-left: 3px solid var(--primary);
  padding-left: 17px;
}

.nav-link .nav-icon {
  width: 18px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
}

.nav-link .nav-chevron {
  margin-left: auto;
  font-size: 11px;
  transition: transform 0.25s;
}

.nav-link.collapsed .nav-chevron { transform: rotate(-90deg); }

.nav-sub {
  padding: 2px 0 2px 40px;
  overflow: hidden;
}

.nav-sub-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  color: #94a3b8;
  font-size: 12.5px;
  font-weight: 400;
  border-radius: var(--radius-sm);
  margin: 1px 8px;
  transition: var(--transition);
}

.nav-sub-link:hover {
  color: #fff;
  background: rgba(37,99,235,0.1);
}

.nav-sub-link.active {
  color: var(--primary);
  background: rgba(37,99,235,0.15);
  font-weight: 500;
}

.nav-sub-link::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
  opacity: 0.5;
}

.sidebar-user {
  padding: 14px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-user .user-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.sidebar-user .user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user .user-name {
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user .user-role {
  font-size: 11px;
  color: #94a3b8;
  text-transform: capitalize;
}

.sidebar-user .logout-btn {
  width: 30px; height: 30px;
  background: rgba(239,68,68,0.12);
  border: none;
  border-radius: var(--radius-sm);
  color: #f87171;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
  font-size: 13px;
}

.sidebar-user .logout-btn:hover {
  background: rgba(239,68,68,0.25);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  height: 60px;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky; top: 0; z-index: 90;
}

.topbar-toggle {
  display: none;
  background: none; border: none;
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
}

.topbar-breadcrumb .sep { color: var(--border); }

.tahun-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--primary);
  margin-left: 12px;
}

/* ============================================================
   PAGE CONTENT
   ============================================================ */
.page-content {
  flex: 1;
  padding: 24px;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.card:hover { border-color: rgba(37,99,235,0.2); }

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title i {
  color: var(--primary-light);
}

.card-body { padding: 20px; }

/* ============================================================
   STAT CARDS (Dashboard)
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-card.purple::before { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.stat-card.blue::before   { background: linear-gradient(90deg, var(--secondary), var(--accent)); }
.stat-card.green::before  { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card.orange::before { background: linear-gradient(90deg, var(--warning), #fbbf24); }

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(37,99,235,0.3);
}

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-card.purple .stat-icon { background: rgba(37,99,235,0.1); color: var(--primary); }
.stat-card.blue .stat-icon   { background: rgba(14,165,233,0.1);  color: var(--accent); }
.stat-card.green .stat-icon  { background: rgba(22,163,74,0.1); color: var(--success); }
.stat-card.orange .stat-icon { background: rgba(202,138,4,0.1); color: var(--warning); }

.stat-info { flex: 1; }
.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control, .form-select {
  width: 100%;
  padding: 9px 12px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  transition: var(--transition);
  outline: none;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
  background: #ffffff;
}

.form-control::placeholder { color: var(--text-muted); }
.form-select option { background: #ffffff; color: var(--text-primary); }

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 36px;
}

.input-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; }
.btn-lg { padding: 11px 22px; font-size: 14px; }

.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
}

.btn-success {
  background: var(--success);
  color: white;
}
.btn-success:hover { background: #15803d; color: white; }

.btn-warning {
  background: var(--warning);
  color: white;
}
.btn-warning:hover { background: #a16207; color: white; }

.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover { background: #b91c1c; color: white; }

.btn-info {
  background: var(--info);
  color: white;
}
.btn-info:hover { background: #1d4ed8; color: white; }

.btn-secondary {
  background: #f1f5f9;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: #e2e8f0;
  color: var(--text-primary);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline-primary:hover {
  background: rgba(37,99,235,0.08);
  color: var(--primary);
}

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table thead tr {
  background: rgba(37,99,235,0.08);
}

.table thead th {
  padding: 11px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: capitalize;
  letter-spacing: 0.6px;
  border-bottom: 1px solid rgba(37,99,235,0.15);
  white-space: normal;
}

.table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.table tbody tr:hover {
  background: rgba(37,99,235,0.04);
}

.table tbody tr:last-child { border-bottom: none; }

.table tbody td {
  padding: 11px 14px;
  color: var(--text-secondary);
  vertical-align: middle;
}

.table tbody td:first-child { color: var(--text-muted); font-size: 12px; }

.table-bordered th,
.table-bordered td {
  border: 1px solid var(--border) !important;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 99px;
}

.badge-success {
  background: rgba(22,163,74,0.1);
  color: #16a34a;
  border: 1px solid rgba(22,163,74,0.2);
}

.badge-danger {
  background: rgba(220,38,38,0.1);
  color: #dc2626;
  border: 1px solid rgba(220,38,38,0.2);
}

.badge-warning {
  background: rgba(234,179,8,0.1);
  color: #ca8a04;
  border: 1px solid rgba(234,179,8,0.2);
}

.badge-primary {
  background: rgba(37,99,235,0.1);
  color: var(--primary);
  border: 1px solid rgba(37,99,235,0.2);
}

.badge-info {
  background: rgba(37,99,235,0.1);
  color: var(--primary);
  border: 1px solid rgba(37,99,235,0.2);
}

/* ============================================================
   ALERTS / FLASH MESSAGES
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert-success {
  background: rgba(22,163,74,0.08);
  border: 1px solid rgba(22,163,74,0.2);
  color: #15803d;
}

.alert-danger {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.2);
  color: #b91c1c;
}

.alert-warning {
  background: rgba(234,179,8,0.08);
  border: 1px solid rgba(234,179,8,0.2);
  color: #a16207;
}

.alert-info {
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.2);
  color: #1d4ed8;
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.show { display: flex; animation: fadeIn 0.2s ease; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
}

.modal-lg { max-width: 680px; }
.modal-xl { max-width: 900px; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  width: 28px; height: 28px;
  background: rgba(0,0,0,0.03);
  border: none; border-radius: 50%;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(220,38,38,0.1); color: var(--danger); }

.modal-body { padding: 20px; }

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* ============================================================
   DATATABLES
   ============================================================ */
.dataTables_wrapper .dataTables_filter input {
  background: #ffffff !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-primary) !important;
  padding: 6px 10px !important;
  font-family: var(--font) !important;
}

.dataTables_wrapper .dataTables_length select {
  background: #ffffff !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius-sm) !important;
  padding: 4px 8px !important;
}

.dataTables_wrapper .dataTables_info { color: var(--text-muted) !important; font-size: 12px; }

.dataTables_paginate .paginate_button {
  padding: 4px 9px !important;
  border-radius: var(--radius-sm) !important;
  background: #ffffff !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border) !important;
  margin: 0 2px !important;
  font-size: 12px !important;
  transition: var(--transition) !important;
}

.dataTables_paginate .paginate_button.current,
.dataTables_paginate .paginate_button:hover {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: white !important;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header-left h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-header-left p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================================
   RADIO TOGGLE (status aktif/non aktif)
   ============================================================ */
.radio-group {
  display: flex;
  gap: 10px;
}

.radio-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 99px;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.radio-pill input { display: none; }
.radio-pill:has(input:checked) {
  border-color: var(--primary);
  background: rgba(37,99,235,0.12);
  color: var(--primary);
}

/* ============================================================
   GRID HELPER
   ============================================================ */
.row { display: flex; gap: 20px; flex-wrap: wrap; }
.col-6 { flex: 1; min-width: 240px; }
.col-4 { flex: 0 0 calc(33.33% - 14px); min-width: 200px; }
.col-12 { flex: 0 0 100%; }
.col-3 { flex: 0 0 calc(25% - 15px); min-width: 160px; }

/* ============================================================
   UTILITIES
   ============================================================ */
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-small { font-size: 12px; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

/* ============================================================
   CHECKBOX
   ============================================================ */
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ============================================================
   NILAI INPUT TABLE
   ============================================================ */
.nilai-input {
  width: 60px;
  text-align: center;
  padding: 5px 6px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
}
.nilai-input:focus {
  border-color: var(--primary);
  outline: none;
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--primary-light);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.show {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .topbar-toggle { display: block; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-content { padding: 16px; }
  .row { gap: 12px; }
  .col-6, .col-4, .col-3 { flex: 0 0 100%; }
}

/* ============================================================
   DARK OVERLAY (for mobile sidebar)
   ============================================================ */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}
.sidebar-overlay.show { display: block; }