/* AM Solutions — Modern Design System */
:root {
  --primary:       #2563eb;
  --primary-dark:  #1d4ed8;
  --primary-light: #eff6ff;
  --success:       #16a34a;
  --success-light: #f0fdf4;
  --warning:       #d97706;
  --warning-light: #fffbeb;
  --danger:        #dc2626;
  --danger-light:  #fef2f2;
  --purple:        #7c3aed;
  --purple-light:  #f5f3ff;

  --bg:        #f8fafc;
  --surface:   #ffffff;
  --surface-2: #f1f5f9;
  --border:    #e2e8f0;
  --border-md: #cbd5e1;

  --text:        #0f172a;
  --text-2:      #475569;
  --text-3:      #94a3b8;

  --sidebar-bg:   #0f172a;
  --sidebar-w:    256px;

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,.08), 0 4px 10px -5px rgba(0,0,0,.04);
}

/* ── Reset ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { -webkit-text-size-adjust: 100%; }
body { font-family:var(--font); background:var(--bg); color:var(--text); min-height:100vh; line-height:1.5; -webkit-font-smoothing:antialiased; }
a { color:inherit; }
button { font-family:var(--font); }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  height: 100vh;
  position: fixed;
  top: 0; left: 0;
  display: flex;
  flex-direction: column;
  z-index: 200;
  overflow: hidden;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.sidebar-brand {
  padding: 20px 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  flex-shrink: 0;
}
.sidebar-brand h2 { color:#fff; font-size:16px; font-weight:700; letter-spacing:-.2px; }
.sidebar-brand p  { color:#64748b; font-size:11px; margin-top:2px; }

.sidebar-nav { flex:1; overflow-y:auto; padding:8px 0 16px; }
.sidebar-nav::-webkit-scrollbar { width:3px; }
.sidebar-nav::-webkit-scrollbar-track { background:transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background:#334155; border-radius:3px; }

.nav-section {
  padding: 14px 18px 5px;
  font-size: 10px;
  font-weight: 700;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px 9px 18px;
  margin: 1px 8px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background .15s, color .15s;
}
.nav-item:hover { background:rgba(255,255,255,.06); color:#e2e8f0; }
.nav-item.active { background:var(--primary); color:#fff; }
.nav-item .icon { font-size:16px; width:20px; text-align:center; flex-shrink:0; }

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,.07);
  flex-shrink: 0;
}
.user-info { display:flex; align-items:center; gap:10px; }
.user-avatar {
  width:34px; height:34px;
  background:var(--primary);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-weight:700; font-size:13px; flex-shrink:0;
}
.user-name  { color:#e2e8f0; font-size:13px; font-weight:600; }
.user-role  { color:#64748b; font-size:11px; }
.logout-btn { margin-left:auto; background:none; border:none; color:#64748b; cursor:pointer; font-size:16px; padding:4px; border-radius:6px; transition:color .2s; }
.logout-btn:hover { color:#ef4444; }

/* ── Main layout ── */
.main-content { margin-left:var(--sidebar-w); min-height:100vh; display:flex; flex-direction:column; }

/* ── Topbar ── */
.topbar {
  background:var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 12px;
}
.topbar-title h1 { font-size:17px; font-weight:700; color:var(--text); line-height:1.2; }
.topbar-title p  { font-size:12px; color:var(--text-3); margin-top:1px; }
.topbar-actions  { display:flex; align-items:center; gap:8px; flex-shrink:0; }

.menu-toggle {
  display:none;
  background:none; border:none;
  color:var(--text-2); cursor:pointer;
  font-size:20px; padding:6px;
  border-radius:var(--radius-sm);
  flex-shrink:0;
}

/* ── Page content ── */
.page-content { padding:24px; flex:1; max-width:1400px; width:100%; }

/* ── Cards ── */
.card {
  background:var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--surface);
}
.card-header h3 { font-size:14px; font-weight:700; color:var(--text); }
.card-body { padding:20px; }

/* ── Customer / data cards (replaces tables) ── */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
  padding: 16px;
}
.data-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  cursor: pointer;
}
.data-card:hover { box-shadow:var(--shadow); transform:translateY(-1px); }

.dc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
}
.dc-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
  flex-shrink: 0;
}
.dc-avatar.pending { background:#fef3c7; color:#92400e; }
.dc-avatar.paid    { background:#dcfce7; color:#14532d; }
.dc-avatar.blue    { background:#dbeafe; color:#1e3a8a; }

.dc-name   { font-size:14px; font-weight:700; color:var(--text); }
.dc-sub    { font-size:11.5px; color:var(--text-3); margin-top:1px; }
.dc-meta   { font-size:11.5px; color:var(--text-3); padding:0 16px 10px; display:flex; align-items:center; gap:6px; flex-wrap:wrap; }
.dc-meta-dot { width:3px; height:3px; background:var(--border-md); border-radius:50%; }

.dc-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid var(--border);
}
.dc-stat {
  padding: 10px 12px;
  border-right: 1px solid var(--border);
}
.dc-stat:last-child { border-right: none; }
.dc-stat-label { font-size:10px; font-weight:600; color:var(--text-3); text-transform:uppercase; letter-spacing:.4px; margin-bottom:3px; }
.dc-stat-value { font-size:13px; font-weight:700; }
.dc-stat-value.success { color:var(--success); }
.dc-stat-value.danger  { color:var(--danger); }
.dc-stat-value.normal  { color:var(--text); }

.dc-progress { padding:10px 16px; border-top:1px solid var(--border); }
.dc-progress-bar { height:5px; background:var(--surface-2); border-radius:5px; overflow:hidden; margin-top:5px; }
.dc-progress-fill { height:100%; border-radius:5px; transition:width .4s; }
.dc-progress-fill.high   { background:var(--success); }
.dc-progress-fill.mid    { background:var(--warning); }
.dc-progress-fill.low    { background:var(--danger); }

.dc-actions {
  padding: 10px 16px;
  display: flex;
  gap: 8px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}

/* ── Stat cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s;
}
.stat-card:hover { box-shadow: var(--shadow); }
.stat-icon {
  width:46px; height:46px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:20px; flex-shrink:0;
}
.stat-icon.blue   { background:#dbeafe; }
.stat-icon.green  { background:#dcfce7; }
.stat-icon.orange { background:#fef3c7; }
.stat-icon.red    { background:#fee2e2; }
.stat-icon.purple { background:#ede9fe; }
.stat-value { font-size:22px; font-weight:800; color:var(--text); line-height:1.1; }
.stat-label { font-size:12px; color:var(--text-3); margin-top:3px; font-weight:500; }

/* ── Buttons ── */
.btn {
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 16px;
  border-radius:var(--radius);
  font-size:13px; font-weight:600;
  cursor:pointer; border:none;
  text-decoration:none;
  transition:all .15s;
  line-height:1.2;
  white-space:nowrap;
}
.btn:active { transform:scale(.97); }
.btn-primary  { background:var(--primary); color:#fff; }
.btn-primary:hover  { background:var(--primary-dark); }
.btn-success  { background:var(--success); color:#fff; }
.btn-success:hover  { background:#15803d; }
.btn-warning  { background:var(--warning); color:#fff; }
.btn-warning:hover  { background:#b45309; }
.btn-danger   { background:var(--danger); color:#fff; }
.btn-danger:hover   { background:#b91c1c; }
.btn-secondary{ background:var(--surface-2); color:var(--text-2); border:1px solid var(--border); }
.btn-secondary:hover{ background:var(--border); }
.btn-outline  { background:transparent; border:1.5px solid var(--border); color:var(--text-2); }
.btn-outline:hover  { border-color:var(--primary); color:var(--primary); background:var(--primary-light); }
.btn-ghost    { background:transparent; color:var(--text-2); }
.btn-ghost:hover    { background:var(--surface-2); }
.btn-sm  { padding:6px 12px; font-size:12px; border-radius:var(--radius-sm); }
.btn-lg  { padding:11px 22px; font-size:15px; }
.btn-icon{ padding:7px 9px; }
.btn-icon-sm{ padding:5px 7px; border-radius:var(--radius-sm); }

/* ── Badges ── */
.badge {
  display:inline-flex; align-items:center;
  padding:3px 9px;
  border-radius:20px;
  font-size:11px; font-weight:700;
  letter-spacing:.2px;
}
.badge-success   { background:#dcfce7; color:#14532d; }
.badge-warning   { background:#fef3c7; color:#92400e; }
.badge-danger    { background:#fee2e2; color:#991b1b; }
.badge-primary   { background:#dbeafe; color:#1e3a8a; }
.badge-secondary { background:var(--surface-2); color:var(--text-2); border:1px solid var(--border); }
.badge-info      { background:#cffafe; color:#164e63; }
.badge-purple    { background:#ede9fe; color:#4c1d95; }

/* ── Forms ── */
.form-group { margin-bottom:16px; }
.form-label { display:block; font-size:13px; font-weight:600; color:var(--text); margin-bottom:6px; }
.form-label span { color:var(--danger); }
.form-control {
  width:100%; padding:9px 13px;
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  font-size:13.5px; color:var(--text);
  background:var(--surface);
  transition:border-color .15s, box-shadow .15s;
  font-family:var(--font);
  appearance:none;
}
.form-control:focus {
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(37,99,235,.1);
}
.form-control::placeholder { color:var(--text-3); }
select.form-control { background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:36px; }

.form-row { display:grid; gap:14px; grid-template-columns:1fr 1fr; }
.form-row.cols-3 { grid-template-columns:1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns:1fr 1fr 1fr 1fr; }

.form-hint { font-size:11.5px; color:var(--text-3); margin-top:4px; }

/* Section in forms */
.form-section {
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:16px 18px;
  margin-bottom:18px;
}
.form-section-title {
  font-size:11px; font-weight:700;
  color:var(--text-3); text-transform:uppercase;
  letter-spacing:.6px; margin-bottom:14px;
}

/* ── Alerts ── */
.alert {
  padding:12px 16px;
  border-radius:var(--radius);
  font-size:13.5px;
  margin-bottom:16px;
  display:flex; align-items:flex-start; gap:10px;
  border: 1px solid;
}
.alert-success { background:var(--success-light); color:#14532d; border-color:#bbf7d0; }
.alert-danger  { background:var(--danger-light);  color:#991b1b; border-color:#fecaca; }
.alert-warning { background:var(--warning-light); color:#92400e; border-color:#fde68a; }
.alert-info    { background:var(--primary-light);  color:#1e3a8a; border-color:#bfdbfe; }

/* ── Search bar ── */
.search-bar { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.search-input-wrap { position:relative; flex:1; min-width:200px; }
.search-input-wrap .icon { position:absolute; left:11px; top:50%; transform:translateY(-50%); color:var(--text-3); font-size:14px; pointer-events:none; }
.search-input-wrap input { padding-left:36px; }

/* ── Progress bar ── */
.progress-bar-wrap { background:var(--surface-2); border-radius:20px; overflow:hidden; }
.progress-bar-fill { height:100%; border-radius:20px; transition:width .4s; }
.progress-bar-fill.green  { background:var(--success); }
.progress-bar-fill.orange { background:var(--warning); }
.progress-bar-fill.red    { background:var(--danger); }

/* ── Tables (kept for detail pages) ── */
.table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }
table { width:100%; border-collapse:collapse; font-size:13px; }
thead th {
  background:var(--surface-2);
  color:var(--text-3); font-weight:700;
  font-size:11px; text-transform:uppercase; letter-spacing:.5px;
  padding:11px 14px;
  text-align:left; border-bottom:1px solid var(--border);
  white-space:nowrap;
}
tbody tr { border-bottom:1px solid var(--border); transition:background .1s; }
tbody tr:last-child { border-bottom:none; }
tbody tr:hover { background:var(--surface-2); }
tbody td { padding:11px 14px; vertical-align:middle; }
tfoot tr { background:var(--surface-2); }
tfoot td { padding:11px 14px; font-weight:700; border-top:2px solid var(--border); }

/* row colors */
.inst-paid    { background:rgba(22,163,74,.04) !important; }
.inst-pending { background:rgba(217,119,6,.04) !important; }
.inst-overdue { background:rgba(220,38,38,.04) !important; }

/* ── Pagination ── */
.pagination { display:flex; align-items:center; gap:4px; justify-content:center; padding:16px 0 0; }
.page-btn {
  width:34px; height:34px; display:flex; align-items:center; justify-content:center;
  border-radius:var(--radius-sm); border:1px solid var(--border);
  background:var(--surface); color:var(--text-2);
  font-size:13px; font-weight:600; cursor:pointer; text-decoration:none;
  transition:all .15s;
}
.page-btn:hover, .page-btn.active { background:var(--primary); border-color:var(--primary); color:#fff; }
.page-btn.disabled { opacity:.4; pointer-events:none; }

/* ── Modals ── */
.modal-backdrop {
  display:none; position:fixed; inset:0;
  background:rgba(15,23,42,.5);
  z-index:300; align-items:center; justify-content:center;
  padding:16px;
}
.modal-backdrop.show { display:flex; }
.modal {
  background:var(--surface); border-radius:var(--radius-xl);
  box-shadow:var(--shadow-lg); width:100%; max-width:640px;
  max-height:90vh; overflow-y:auto;
  animation:modalIn .2s ease;
}
.modal-lg  { max-width:860px; }
.modal-sm  { max-width:420px; }
@keyframes modalIn { from{transform:scale(.95) translateY(-12px);opacity:0} to{transform:scale(1) translateY(0);opacity:1} }
.modal-header { padding:18px 22px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; }
.modal-header h3 { font-size:15px; font-weight:700; }
.modal-close { background:none; border:none; font-size:20px; cursor:pointer; color:var(--text-3); width:30px; height:30px; display:flex; align-items:center; justify-content:center; border-radius:var(--radius-sm); transition:background .15s; }
.modal-close:hover { background:var(--surface-2); color:var(--text); }
.modal-body   { padding:22px; }
.modal-footer { padding:14px 22px; border-top:1px solid var(--border); display:flex; gap:10px; justify-content:flex-end; }

/* ── Receipt ── */
@media print {
  .sidebar, .topbar, .no-print { display:none !important; }
  .main-content { margin-left:0 !important; }
}
.receipt-wrap { font-family:'Courier New',monospace; max-width:460px; margin:0 auto; border:1px dashed var(--border); padding:22px; border-radius:var(--radius); }
.receipt-header { text-align:center; margin-bottom:14px; }
.receipt-header h2 { font-size:18px; font-weight:900; }
.receipt-divider  { border-top:1px dashed var(--border); margin:10px 0; }
.receipt-row { display:flex; justify-content:space-between; margin:4px 0; font-size:12.5px; }

/* ── Login ── */
.login-page { min-height:100vh; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 100%); padding:16px; }
.login-box  { background:var(--surface); border-radius:var(--radius-xl); padding:36px 32px; width:100%; max-width:400px; box-shadow:var(--shadow-lg); }
.login-logo { text-align:center; margin-bottom:28px; }
.login-logo h1 { font-size:24px; font-weight:800; color:var(--primary); }
.login-logo p  { color:var(--text-3); font-size:13px; margin-top:3px; }

/* ── Autocomplete ── */
.ac-item { padding:10px 14px; cursor:pointer; border-bottom:1px solid var(--border); font-size:13px; transition:background .1s; }
.ac-item:hover { background:var(--primary-light); }
.ac-item:last-child { border-bottom:none; }
.ac-main  { font-weight:600; color:var(--text); display:flex; align-items:center; gap:6px; }
.ac-sub   { font-size:11.5px; color:var(--text-3); margin-top:2px; }
.ac-badge { margin-left:auto; flex-shrink:0; }

/* ── Sidebar overlay ── */
.sidebar-overlay { display:none; position:fixed; inset:0; background:rgba(15,23,42,.5); z-index:199; }
.sidebar-overlay.active { display:block; }

/* ── Bottom nav ── */
.bottom-nav { display:none; position:fixed; bottom:0; left:0; right:0; height:64px; background:var(--surface); border-top:1px solid var(--border); z-index:190; }
.bottom-nav-items { display:flex; height:100%; align-items:stretch; }
.bottom-nav-item {
  flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:2px; text-decoration:none; color:var(--text-3); font-size:10px; font-weight:600;
  padding:6px 2px; border-top:2.5px solid transparent; transition:all .2s; position:relative;
}
.bottom-nav-item .bn-icon { font-size:18px; line-height:1; }
.bottom-nav-item.active { color:var(--primary); border-top-color:var(--primary); }
.bottom-nav-more { position:relative; }
.more-menu { display:none; position:absolute; bottom:70px; right:0; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); min-width:200px; overflow:hidden; z-index:400; }
.more-menu.open { display:block; }
.more-menu a { display:flex; align-items:center; gap:10px; padding:12px 16px; color:var(--text); text-decoration:none; font-size:13.5px; font-weight:500; border-bottom:1px solid var(--border); transition:background .1s; }
.more-menu a:last-child { border-bottom:none; }
.more-menu a:hover { background:var(--surface-2); }
.more-menu a .icon { font-size:16px; width:22px; text-align:center; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════ */

/* ── Tablet ── */
@media (max-width:1024px) {
  :root { --sidebar-w: 220px; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .form-row.cols-3, .form-row.cols-4 { grid-template-columns:1fr 1fr; }
  .data-grid { grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); }
  .dash-two-col { grid-template-columns: 1fr !important; }
}

/* ── Mobile ── */
@media (max-width:768px) {
  :root { --sidebar-w: 280px; }

  .sidebar { transform:translateX(-100%); box-shadow:none; }
  .sidebar.open { transform:translateX(0); box-shadow:var(--shadow-lg); }
  .main-content { margin-left:0; }
  .menu-toggle { display:flex; }

  .topbar { padding:0 14px; height:56px; }
  .topbar-title h1 { font-size:15px; }
  .topbar-title p  { display:none; }

  .page-content { padding:14px 12px 80px; }

  .stats-grid { grid-template-columns:1fr 1fr !important; gap:10px; margin-bottom:14px; }
  .stat-card  { padding:14px 12px; gap:10px; }
  .stat-icon  { width:38px; height:38px; font-size:17px; border-radius:10px; }
  .stat-value { font-size:18px !important; }
  .stat-label { font-size:11px; }

  .data-grid  { grid-template-columns:1fr !important; gap:10px; padding:12px; }

  .form-row, .form-row.cols-3, .form-row.cols-4 { grid-template-columns:1fr !important; }

  .card-header { padding:13px 14px; }
  .card-header h3 { font-size:13px; }
  .card-body { padding:14px; }

  div[style*="grid-template-columns:2fr 1fr"],
  div[style*="grid-template-columns:1fr 1.8fr"],
  div[style*="grid-template-columns:1fr 1fr"],
  div[style*="grid-template-columns:1fr 1.5fr"],
  div[style*="grid-template-columns:1fr 2fr"],
  div[style*="grid-template-columns:1.4fr 1fr"],
  div[style*="grid-template-columns:1fr 340px"],
  div[style*="grid-template-columns:320px 1fr"],
  div[style*="grid-template-columns:1fr 1fr 1fr"] {
    grid-template-columns:1fr !important;
  }

  .btn { font-size:12px; padding:8px 14px; }
  .btn-lg { font-size:13px; padding:10px 18px; }

  .modal { border-radius:var(--radius-xl) var(--radius-xl) 0 0; max-width:100%; margin-top:auto; }
  .modal-backdrop { align-items:flex-end; padding:0; }

  .bottom-nav { display:block; }
  .search-bar { flex-direction:column; }
  .search-input-wrap { min-width:unset; }
  .search-bar .btn { width:100%; justify-content:center; }

  .login-box { padding:28px 20px; }
}

/* ── Small phones ── */
@media (max-width:420px) {
  .page-content { padding:10px 10px 80px; }
  .stats-grid { gap:8px; }
  .stat-card { padding:12px 10px; }
  .topbar-actions .btn span { display:none; }
}

/* ── iOS safe area ── */
@supports (padding-bottom:env(safe-area-inset-bottom)) {
  .bottom-nav { padding-bottom:env(safe-area-inset-bottom); height:calc(64px + env(safe-area-inset-bottom)); }
  .page-content { padding-bottom:calc(80px + env(safe-area-inset-bottom)); }
}

/* ═══════════════════════════════════════════════
   TABLE / CARD TOGGLE BY SCREEN SIZE
════════════════════════════════════════════════ */

/* Desktop: show table, hide mobile cards */
.desktop-table { display: block; }
.mobile-cards  { display: none; }

/* Mobile: hide table, show cards */
@media (max-width: 768px) {
  .desktop-table { display: none !important; }
  .mobile-cards  { display: block; }

  /* Data card layout for mobile */
  .data-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  .dc-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 14px 8px;
  }
  .dc-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700;
    flex-shrink: 0;
  }
  .dc-avatar.paid    { background: #dcfce7; color: #14532d; }
  .dc-avatar.pending { background: #fef3c7; color: #92400e; }
  .dc-name { font-size: 14px; font-weight: 700; color: var(--text); }
  .dc-sub  { font-size: 11.5px; color: var(--text-3); margin-top: 1px; }
  .dc-meta {
    font-size: 11.5px; color: var(--text-3);
    padding: 0 14px 9px;
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  }
  .dc-meta-dot { width: 3px; height: 3px; background: var(--border-md); border-radius: 50%; flex-shrink: 0; }
  .dc-stats {
    display: grid; grid-template-columns: 1fr 1fr 1fr;
    border-top: 1px solid var(--border);
  }
  .dc-stat { padding: 10px 12px; border-right: 1px solid var(--border); }
  .dc-stat:last-child { border-right: none; }
  .dc-stat-label { font-size: 10px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .4px; margin-bottom: 3px; }
  .dc-stat-value { font-size: 13px; font-weight: 700; }
  .dc-stat-value.success { color: var(--success); }
  .dc-stat-value.danger  { color: var(--danger); }
  .dc-stat-value.normal  { color: var(--text); }
  .dc-progress {
    padding: 9px 14px; border-top: 1px solid var(--border);
  }
  .dc-progress-bar { height: 5px; background: var(--surface-2); border-radius: 5px; overflow: hidden; margin-top: 5px; }
  .dc-progress-fill { height: 100%; border-radius: 5px; transition: width .4s; }
  .dc-progress-fill.high { background: var(--success); }
  .dc-progress-fill.mid  { background: var(--warning); }
  .dc-progress-fill.low  { background: var(--danger); }
  .dc-actions {
    display: flex; gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
  }
}

/* ── Lucide Icons ── */
.nav-icon {
  width: 17px;
  height: 17px;
  stroke-width: 2;
  flex-shrink: 0;
}
.bn-icon-svg {
  width: 22px;
  height: 22px;
  stroke-width: 2;
  display: block;
}
.bn-icon-add {
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -10px;
  box-shadow: 0 4px 14px rgba(37,99,235,.4);
  flex-shrink: 0;
}
.btn-icon-lucide {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  flex-shrink: 0;
}
.stat-icon i {
  width: 22px;
  height: 22px;
  stroke-width: 2;
}
.search-icon {
  width: 15px;
  height: 15px;
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  stroke-width: 2;
  pointer-events: none;
}

/* Dashboard two-col → single col on mobile */
@media (max-width: 768px) {
  .dash-two-col {
    grid-template-columns: 1fr !important;
  }
}