:root {
  color-scheme: light;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #0f172a;
  --text-2: #334155;
  --muted: #64748b;
  --faint: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --sidebar-bg: #0b1220;
  --sidebar-text: #e2e8f0;
  --sidebar-muted: #94a3b8;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --accent-soft-border: rgba(37, 99, 235, 0.22);
  --ok: #15803d;
  --ok-soft: rgba(21, 128, 61, 0.1);
  --ok-border: rgba(21, 128, 61, 0.24);
  --warn: #b45309;
  --warn-soft: rgba(180, 83, 9, 0.1);
  --warn-border: rgba(180, 83, 9, 0.24);
  --danger: #b91c1c;
  --danger-soft: rgba(185, 28, 28, 0.08);
  --danger-border: rgba(185, 28, 28, 0.24);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent-hover); }

.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.app-shell {
  display: grid;
  grid-template-columns: 264px 1fr;
  min-height: 100%;
}

.app-shell__main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-shell__content { padding: 24px 28px 40px; }

.app-sidebar {
  background: linear-gradient(180deg, #0b1220 0%, #0f172a 100%);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  border-right: 1px solid rgba(148, 163, 184, 0.12);
}

.app-sidebar__brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 6px 10px 16px;
}

.app-sidebar__mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), #0ea5e9);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
}

.app-sidebar__logo {
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 15px;
}

.app-sidebar__subtitle {
  font-size: 11px;
  color: var(--sidebar-muted);
  margin-top: 2px;
}

.app-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.app-sidebar__nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 9px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13.5px;
  border: 1px solid transparent;
}

.app-sidebar__nav-link svg { width: 16px; height: 16px; opacity: 0.8; }

.app-sidebar__nav-link:hover { background: rgba(148, 163, 184, 0.12); }

.app-sidebar__nav-link--active {
  background: rgba(37, 99, 235, 0.2);
  border-color: rgba(37, 99, 235, 0.4);
  color: #fff;
  font-weight: 600;
}

.app-sidebar__footer {
  margin-top: 14px;
  padding: 9px 11px;
  font-size: 11px;
  color: var(--sidebar-muted);
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.app-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
}

.app-header__title { font-weight: 650; letter-spacing: -0.02em; }
.app-header__actions { display: flex; align-items: center; gap: 12px; }
.app-header__user { font-size: 13px; color: var(--muted); }

.page__header h1 {
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.page__header p { margin: 0 0 18px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card + .card { margin-top: 16px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-2);
  border-radius: var(--radius-sm);
  padding: 8px 13px;
  font-weight: 600;
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  font-family: inherit;
}

.btn:hover { background: var(--surface-2); }
.btn--primary {
  border-color: transparent;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
}
.btn--primary:hover { background: var(--accent-hover); color: #fff; }
.btn--sm { padding: 6px 10px; font-size: 12.5px; }
.btn--block { width: 100%; }

.login-page {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 28px 16px;
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(37, 99, 235, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 20%, rgba(14, 165, 233, 0.14), transparent 50%),
    var(--bg);
}

.login-card {
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 22px 22px 20px;
}

.login-card__logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #0ea5e9);
}

.login-card h1 { margin: 10px 0 6px; font-size: 22px; }
.login-form { display: grid; gap: 12px; margin-top: 14px; }

.field { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.field input, .toolbar input, .toolbar select {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: #fff;
  color: var(--text);
}
.field input:focus, .toolbar input:focus, .scan-input:focus {
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.alert {
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 16px;
}
.alert--error {
  border: 1px solid var(--danger-border);
  background: var(--danger-soft);
  color: var(--danger);
}
.alert--ok {
  border: 1px solid var(--ok-border);
  background: var(--ok-soft);
  color: var(--ok);
}
.alert form { margin-top: 8px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 14px 16px;
}
.stat__label { color: var(--muted); font-size: 12px; }
.stat__value { font-size: 22px; font-weight: 700; margin-top: 4px; letter-spacing: -0.03em; }

.form-row {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(180px, 1.4fr) 120px auto;
  gap: 10px;
  align-items: end;
}

.scan-locked {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.scan-locked strong { font-size: 16px; }

.toolbar, .page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
}
.toolbar input[type="search"], .toolbar input[type="text"], .toolbar input[type="date"], .toolbar input[type="password"] {
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
}

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  word-break: break-word;
  color: var(--text-2);
}
.data-table thead th {
  text-align: left;
  font-weight: 600;
  background: var(--surface-2);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table tbody tr:hover td { background: var(--accent-soft); }
.data-table tbody tr.row--warn td { background: rgba(245, 158, 11, 0.12); }
.data-table .cell-strong { color: var(--text); font-weight: 600; }
.data-table .cell-code { font-family: var(--mono); font-size: 12.5px; color: var(--text); }

.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid transparent;
}
.pill--ok { background: var(--ok-soft); color: var(--ok); border-color: var(--ok-border); }
.pill--warn { background: var(--warn-soft); color: var(--warn); border-color: var(--warn-border); }
.pill--neutral { background: var(--surface-2); color: var(--muted); border-color: var(--border); }

.help-strip {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 15px;
  margin-bottom: 16px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft-border);
  border-radius: 10px;
  font-size: 13px;
  color: var(--accent-hover);
}

.scan-input {
  width: 100%;
  font-family: var(--mono);
  font-size: 18px;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.file-input { font-size: 13px; }
.stack { display: grid; gap: 8px; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; }
.check input { margin-top: 2px; }
.inline-form { display: inline; }
.empty { color: var(--muted); padding: 8px 0 2px; }

.mobile-nav { display: none; }

@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .app-sidebar { display: none; }
  .app-shell__content, .app-header { padding-left: 16px; padding-right: 16px; }
  .mobile-nav {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 10px 16px 0;
  }
  .mobile-nav a {
    flex: 0 0 auto;
    text-decoration: none;
    color: var(--text-2);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 99px;
    padding: 6px 10px;
    font-size: 12.5px;
    font-weight: 600;
  }
  .mobile-nav a.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
  }
}