/* ============================================================
   StockSense — Style Sheet
   Aesthetic: Industrial-refined dark (slate + amber accent)
   Fonts: DM Serif Display · DM Sans · DM Mono
   ============================================================ */

/* ── Reset & tokens ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Palette */
--bg-0:     #111111;
  --bg-1:     #1a1a1a;
  --bg-2:     #242424;
  --bg-3:     #2e2e2e;
  --border:   #333333;
  --border-2: #404040;
  /* Text */
  --text-1:   #e8ecf4;   /* primary */
  --text-2:   #8a94ab;   /* muted */
  --text-3:   #5b657d;   /* faint */

  /* Accent — amber */
  --accent:   #6366f1;
  --accent-2: #818cf8;
  --accent-bg:#1e1b4b;

  /* Status colours */
  --green:    #34d399;
  --green-bg: #0d2a20;
  --warn:     #fb923c;
  --warn-bg:  #2b1507;
  --danger:   #f87171;
  --danger-bg:#2b0f0f;
  --blue:     #60a5fa;
  --blue-bg:  #0e1f3b;

  /* Layout */
  --sidebar-w: 220px;
  --topbar-h:  58px;
  --radius:    8px;
  --radius-lg: 14px;

  /* Typography */
  --font-body:  'DM Sans', sans-serif;
  --font-mono:  'DM Mono', monospace;
  --font-head:  'DM Serif Display', serif;

  /* Transitions */
  --tx: 160ms ease;
}

html { font-size: 15px; }

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-body);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar          { width: 6px; height: 6px; }
::-webkit-scrollbar-track    { background: var(--bg-1); }
::-webkit-scrollbar-thumb    { background: var(--border-2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Links ──────────────────────────────────────────────── */
a { color: inherit; text-decoration: none; }

/* ════════════════════════════════════════════════════════
   LOGIN SCREEN
════════════════════════════════════════════════════════ */
.login-overlay {
  position: fixed; inset: 0;
  background: var(--bg-0);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  /* Subtle grid texture */
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
}
.login-overlay[hidden] { display: none; }

.login-card {
  width: min(420px, 92vw);
  background: var(--bg-1);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: 0 24px 64px rgba(0,0,0,.55);
}

.login-brand {
  display: flex; align-items: center; gap: .5rem;
  margin-bottom: 1.75rem;
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--accent);
}
.brand-icon { font-size: 1.4rem; }

.login-heading {
  font-family: var(--font-head);
  font-size: 1.55rem;
  color: var(--text-1);
  margin-bottom: .35rem;
}
.login-sub {
  color: var(--text-2);
  font-size: .875rem;
  margin-bottom: 1.75rem;
}

/* ── Forms ─────────────────────────────────────────────── */
.field-group {
  display: flex; flex-direction: column; gap: .35rem;
  margin-bottom: 1rem;
}
.field-group label {
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.field-group input,
.field-group select,
.select-input {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: .95rem;
  padding: .6rem .85rem;
  transition: border-color var(--tx), box-shadow var(--tx);
  width: 100%;
  -webkit-appearance: none;
}
.field-group input::placeholder { color: var(--text-3); }
.field-group input:focus,
.field-group select:focus,
.select-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,158,11,.18);
}
.form-error {
  color: var(--danger);
  font-size: .875rem;
  margin-bottom: .75rem;
  padding: .5rem .75rem;
  background: var(--danger-bg);
  border-radius: var(--radius);
}
.form-error[hidden] { display: none; }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  align-items: center;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 500;
  gap: .4rem;
  justify-content: center;
  padding: .6rem 1.2rem;
  transition: background var(--tx), opacity var(--tx), transform 80ms ease;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: #0f0a00; }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--text-2);
}
.btn-ghost:hover { background: var(--bg-3); color: var(--text-1); }
.btn-full { width: 100%; }
.btn-sm { font-size: .8rem; padding: .45rem .9rem; }
.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-2);
  cursor: pointer;
  font-size: .95rem;
  padding: .25rem .4rem;
  border-radius: 4px;
  transition: color var(--tx), background var(--tx);
}
.btn-icon:hover { color: var(--text-1); background: var(--bg-3); }
.btn-icon.danger:hover { color: var(--danger); }
.btn[disabled], .btn:disabled { opacity: .5; cursor: not-allowed; }

/* ════════════════════════════════════════════════════════
   APP SHELL LAYOUT
════════════════════════════════════════════════════════ */
#app { display: flex; min-height: 100vh; }
#app[hidden] { display: none; }

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar {
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  transition: width 200ms ease;
  width: var(--sidebar-w);
  z-index: 200;
}

.sidebar-brand {
  align-items: center;
  border-bottom: 1px solid var(--border);
  color: var(--accent);
  display: flex;
  font-family: var(--font-head);
  font-size: 1.1rem;
  gap: .5rem;
  height: var(--topbar-h);
  padding: 0 1.25rem;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem .75rem;
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.nav-item {
  align-items: center;
  border-radius: var(--radius);
  color: var(--text-2);
  display: flex;
  font-size: .9rem;
  font-weight: 500;
  gap: .6rem;
  padding: .6rem .85rem;
  transition: background var(--tx), color var(--tx);
  white-space: nowrap;
}
.nav-item:hover  { background: var(--bg-3); color: var(--text-1); }
.nav-item.active { background: var(--accent-bg); color: var(--accent); }
.nav-icon { font-size: 1rem; width: 1.2rem; text-align: center; }

.sidebar-footer {
  align-items: center;
  border-top: 1px solid var(--border);
  display: flex;
  gap: .75rem;
  padding: .85rem 1rem;
}
.user-chip {
  align-items: center;
  display: flex;
  gap: .6rem;
  flex: 1;
  overflow: hidden;
}
.user-avatar {
  align-items: center;
  background: var(--accent-bg);
  border-radius: 50%;
  color: var(--accent);
  display: flex;
  font-size: .8rem;
  font-weight: 700;
  height: 28px; width: 28px;
  justify-content: center;
  flex-shrink: 0;
}
.user-name {
  color: var(--text-2);
  font-size: .82rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-logout {
  background: none;
  border: 1px solid var(--border-2);
  border-radius: 6px;
  color: var(--text-3);
  cursor: pointer;
  font-size: .95rem;
  padding: .3rem .45rem;
  transition: color var(--tx), border-color var(--tx);
}
.btn-logout:hover { color: var(--danger); border-color: var(--danger); }

/* ── Main content ───────────────────────────────────────── */
.main-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  transition: margin-left 200ms ease;
}

/* ── Top bar ────────────────────────────────────────────── */
.topbar {
  align-items: center;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 1rem;
  height: var(--topbar-h);
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}
.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-2);
  cursor: pointer;
  display: none;         /* shown on mobile via MQ */
  font-size: 1.2rem;
}
.topbar-title {
  flex: 1;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-1);
}
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.topbar-time {
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: .78rem;
}

/* ── Pages ──────────────────────────────────────────────── */
.page {
  flex: 1;
  padding: 1.75rem 2rem;
  max-width: 1280px;
  width: 100%;
}
.page[hidden] { display: none; }

.page-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.page-title {
  font-family: var(--font-head);
  font-size: 1.55rem;
}

/* ── Metric cards ────────────────────────────────────────── */
.cards-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  margin-bottom: 1.5rem;
}
.metric-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.35rem;
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.metric-card:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,.35); }
.metric-label {
  color: var(--text-2);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.metric-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--text-1);
}
.metric-card.accent-warn  { border-color: var(--warn);   background: var(--warn-bg);   }
.metric-card.accent-warn  .metric-value { color: var(--warn); }
.metric-card.accent-danger { border-color: var(--danger); background: var(--danger-bg); }
.metric-card.accent-danger .metric-value { color: var(--danger); }
.metric-card.accent-green { border-color: var(--green);  background: var(--green-bg);  }
.metric-card.accent-green .metric-value { color: var(--green); font-size: 1.55rem; }

/* ── Section card ────────────────────────────────────────── */
.section-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.section-card-header {
  align-items: center;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  padding: 1rem 1.35rem;
}
.section-card-title { font-weight: 600; font-size: .95rem; }

/* ── Activity list ───────────────────────────────────────── */
.activity-list { padding: .5rem 0; }
.activity-item {
  align-items: flex-start;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: .85rem;
  padding: .75rem 1.35rem;
}
.activity-item:last-child { border-bottom: none; }
.activity-badge {
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .05em;
  margin-top: .15rem;
  padding: .2rem .45rem;
  text-transform: uppercase;
  flex-shrink: 0;
}
.badge-in  { background: var(--green-bg);  color: var(--green); }
.badge-out { background: var(--danger-bg); color: var(--danger); }
.activity-detail { flex: 1; }
.activity-name { font-weight: 500; font-size: .9rem; }
.activity-meta { color: var(--text-2); font-size: .8rem; margin-top: .1rem; }
.activity-time { color: var(--text-3); font-family: var(--font-mono); font-size: .75rem; flex-shrink: 0; }

/* ── Skeleton loading ────────────────────────────────────── */
.skeleton-list { padding: .5rem 1.35rem; display: flex; flex-direction: column; gap: .65rem; }
@keyframes shimmer { from { background-position: -200% 0; } to { background-position: 200% 0; } }
.skeleton-row {
  height: 38px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--bg-2) 25%, var(--bg-3) 50%, var(--bg-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

/* ── Filters bar ─────────────────────────────────────────── */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
}
.search-wrap {
  align-items: center;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  display: flex;
  flex: 1;
  min-width: 220px;
  padding: 0 .85rem;
  transition: border-color var(--tx), box-shadow var(--tx);
}
.search-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,158,11,.15);
}
.search-icon { color: var(--text-3); margin-right: .4rem; font-size: 1.1rem; }
.search-wrap input {
  background: transparent;
  border: none;
  color: var(--text-1);
  flex: 1;
  font-family: var(--font-body);
  font-size: .9rem;
  outline: none;
  padding: .6rem 0;
}
.search-wrap input::placeholder { color: var(--text-3); }
.select-input {
  background-color: var(--bg-2);
  cursor: pointer;
  flex-shrink: 0;
  min-width: 150px;
}

/* ── Data table ──────────────────────────────────────────── */
.table-wrap { overflow-x: auto; position: relative; min-height: 120px; }
.data-table {
  border-collapse: collapse;
  font-size: .875rem;
  width: 100%;
}
.data-table th {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border-2);
  color: var(--text-2);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .07em;
  padding: .75rem 1rem;
  text-align: left;
  text-transform: uppercase;
  white-space: nowrap;
}
.data-table td {
  border-bottom: 1px solid var(--border);
  color: var(--text-1);
  padding: .75rem 1rem;
  vertical-align: middle;
}
.data-table tbody tr { transition: background var(--tx); }
.data-table tbody tr:hover { background: var(--bg-3); }
.data-table tbody tr:last-child td { border-bottom: none; }

.cell-product { min-width: 180px; }
.product-name { font-weight: 500; }
.product-sku  { color: var(--text-3); font-family: var(--font-mono); font-size: .78rem; }
.cell-price   { font-family: var(--font-mono); white-space: nowrap; }

/* Status badge */
.status-badge {
  border-radius: 4px;
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .05em;
  padding: .2rem .55rem;
  text-transform: uppercase;
}
.status-in_stock    { background: var(--green-bg);  color: var(--green); }
.status-low_stock   { background: var(--warn-bg);   color: var(--warn); }
.status-out_of_stock { background: var(--danger-bg); color: var(--danger); }

.cell-actions { white-space: nowrap; }

/* Empty & loader states */
.table-empty {
  color: var(--text-2);
  padding: 2.5rem;
  text-align: center;
}
.table-empty[hidden] { display: none; }
.table-loader {
  align-items: center;
  background: rgba(15,17,23,.65);
  bottom: 0; left: 0; right: 0; top: 0;
  display: none;
  justify-content: center;
  position: absolute;
}
.table-loader.active { display: flex; }
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  animation: spin .8s linear infinite;
  border: 3px solid var(--border-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  height: 32px; width: 32px;
}

/* ── Pagination ──────────────────────────────────────────── */
.pagination {
  align-items: center;
  border-top: 1px solid var(--border);
  display: flex;
  gap: .75rem;
  justify-content: center;
  padding: .85rem 1.35rem;
}
.pagination[hidden] { display: none; }
.page-info { color: var(--text-2); font-size: .82rem; }

/* ════════════════════════════════════════════════════════
   MODALS
════════════════════════════════════════════════════════ */
.modal-overlay {
  align-items: center;
  background: rgba(0,0,0,.65);
  bottom: 0; left: 0; right: 0; top: 0;
  display: flex;
  justify-content: center;
  padding: 1rem;
  position: fixed;
  z-index: 500;
  backdrop-filter: blur(3px);
}
.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--bg-1);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  overflow: hidden;
  width: min(580px, 100%);
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
  animation: modalIn 180ms ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(10px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  align-items: center;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  padding: 1.1rem 1.35rem;
}
.modal-title { font-family: var(--font-head); font-size: 1.2rem; }
.modal-close {
  background: none;
  border: none;
  color: var(--text-2);
  cursor: pointer;
  font-size: 1rem;
  padding: .25rem .4rem;
  border-radius: 4px;
  transition: color var(--tx), background var(--tx);
}
.modal-close:hover { color: var(--danger); background: var(--danger-bg); }
.modal-body  { flex: 1; overflow-y: auto; padding: 1.35rem; }
.modal-footer {
  border-top: 1px solid var(--border);
  display: flex;
  gap: .75rem;
  justify-content: flex-end;
  padding: 1rem 1.35rem;
}
.form-row {
  display: grid;
  gap: .85rem;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

/* ════════════════════════════════════════════════════════
   TOAST NOTIFICATION
════════════════════════════════════════════════════════ */
.toast {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  bottom: 1.5rem; right: 1.5rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.45);
  color: var(--text-1);
  font-size: .875rem;
  font-weight: 500;
  max-width: 340px;
  padding: .75rem 1.1rem;
  position: fixed;
  z-index: 9000;
  animation: toastIn 220ms ease;
}
.toast[hidden] { display: none; }
.toast.success { border-color: var(--green);  background: var(--green-bg);  color: var(--green); }
.toast.error   { border-color: var(--danger); background: var(--danger-bg); color: var(--danger); }
.toast.warn    { border-color: var(--warn);   background: var(--warn-bg);   color: var(--warn); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ════════════════════════════════════════════════════════
   MISC
════════════════════════════════════════════════════════ */
.coming-soon { color: var(--text-2); padding: 2rem 1.35rem; text-align: center; }

/* ════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════ */
@media (max-width: 760px) {
  :root { --sidebar-w: 0px; }

  .sidebar {
    transform: translateX(-220px);
    width: 220px;
    transition: transform 220ms ease;
  }
  .sidebar.open { transform: translateX(0); width: 220px; }

  .sidebar-toggle { display: block; }
  .main-content   { margin-left: 0; }

  .page { padding: 1.25rem 1rem; }
  .page-header { flex-wrap: wrap; gap: .5rem; }

  .cards-grid { grid-template-columns: 1fr 1fr; }
  .metric-value { font-size: 1.5rem; }

  .form-row { grid-template-columns: 1fr; }
}
/* ════════════════════════════════════════════════════════
   ANIMATIONS & ENHANCEMENTS
════════════════════════════════════════════════════════ */

/* ── Page fade-in ────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page:not([hidden]) {
  animation: fadeInUp 0.35s ease forwards;
}

/* ── Metric cards animation ──────────────────────────── */
@keyframes cardPop {
  0%   { opacity: 0; transform: translateY(20px) scale(.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.metric-card:nth-child(1) { animation: cardPop .4s ease .05s both; }
.metric-card:nth-child(2) { animation: cardPop .4s ease .15s both; }
.metric-card:nth-child(3) { animation: cardPop .4s ease .25s both; }
.metric-card:nth-child(4) { animation: cardPop .4s ease .35s both; }

/* ── Metric card glow on hover ───────────────────────── */
.metric-card {
  position: relative;
  overflow: hidden;
}
.metric-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(245,158,11,.08), transparent);
  opacity: 0;
  transition: opacity .3s ease;
}
.metric-card:hover::before { opacity: 1; }

.metric-card.accent-warn::before  { background: linear-gradient(135deg, rgba(251,146,60,.12), transparent); }
.metric-card.accent-danger::before { background: linear-gradient(135deg, rgba(248,113,113,.12), transparent); }
.metric-card.accent-green::before  { background: linear-gradient(135deg, rgba(52,211,153,.12), transparent); }

/* ── Sidebar glow ────────────────────────────────────── */
.sidebar {
  background: linear-gradient(180deg, #161b27 0%, #0f1117 100%);
  box-shadow: 4px 0 24px rgba(0,0,0,.4);
}

/* ── Nav item slide effect ───────────────────────────── */
.nav-item {
  position: relative;
  overflow: hidden;
}
.nav-item::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
  transform: scaleY(0);
  transition: transform .2s ease;
}
.nav-item.active::after { transform: scaleY(1); }

/* ── Login card animation ────────────────────────────── */
@keyframes loginSlideIn {
  from { opacity: 0; transform: translateY(30px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.login-card {
  animation: loginSlideIn .5s cubic-bezier(.34,1.56,.64,1) forwards;
}

/* ── Login overlay animated gradient ────────────────── */
.login-overlay {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(245,158,11,.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(96,165,250,.06) 0%, transparent 60%),
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: auto, auto, 40px 40px, 40px 40px;
}

/* ── Table rows fade in ──────────────────────────────── */
@keyframes rowFadeIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}
.data-table tbody tr {
  animation: rowFadeIn .25s ease forwards;
}
.data-table tbody tr:nth-child(1)  { animation-delay: .03s; }
.data-table tbody tr:nth-child(2)  { animation-delay: .06s; }
.data-table tbody tr:nth-child(3)  { animation-delay: .09s; }
.data-table tbody tr:nth-child(4)  { animation-delay: .12s; }
.data-table tbody tr:nth-child(5)  { animation-delay: .15s; }
.data-table tbody tr:nth-child(6)  { animation-delay: .18s; }
.data-table tbody tr:nth-child(7)  { animation-delay: .21s; }
.data-table tbody tr:nth-child(8)  { animation-delay: .24s; }
.data-table tbody tr:nth-child(9)  { animation-delay: .27s; }
.data-table tbody tr:nth-child(10) { animation-delay: .30s; }

/* ── Section card glow border ────────────────────────── */
.section-card {
  position: relative;
  transition: box-shadow .3s ease;
}
.section-card:hover {
  box-shadow: 0 0 0 1px rgba(245,158,11,.15), 0 8px 32px rgba(0,0,0,.3);
}

/* ── Button shine effect ─────────────────────────────── */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%; left: -60%;
  width: 40%; height: 200%;
  background: rgba(255,255,255,.2);
  transform: skewX(-20deg);
  transition: left .4s ease;
}
.btn-primary:hover::after { left: 120%; }

/* ── Modal animation ─────────────────────────────────── */
@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Toast slide in ──────────────────────────────────── */
@keyframes toastIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Topbar glass effect ─────────────────────────────── */
.topbar {
  background: rgba(22, 27, 39, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Brand logo pulse ────────────────────────────────── */
@keyframes brandPulse {
  0%, 100% { text-shadow: 0 0 8px rgba(245,158,11,.4); }
  50%       { text-shadow: 0 0 20px rgba(245,158,11,.8); }
}
.sidebar-brand .brand-icon {
  animation: brandPulse 3s ease-in-out infinite;
}

/* ── Spinner enhanced ────────────────────────────────── */
.spinner {
  border-width: 3px;
  box-shadow: 0 0 12px rgba(245,158,11,.3);
}

/* ── Background subtle pattern ───────────────────────── */
.main-content {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(245,158,11,.04) 0%, transparent 50%),
    radial-gradient(ellipse at 0% 100%, rgba(96,165,250,.03) 0%, transparent 50%),
    var(--bg-0);
}