:root {
  --bg: #f3f6f9;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --surface-soft: #eef4f8;
  --text: #17212b;
  --text-soft: #5f6f7f;
  --text-faint: #7b8a98;
  --border: #d7e0e8;
  --border-strong: #bdc8d3;
  --primary: #0f4c81;
  --primary-dark: #0b395f;
  --primary-soft: #e8f1fb;
  --success-bg: #eaf7ee;
  --success-text: #166534;
  --warning-bg: #fff8e8;
  --warning-text: #8a5b00;
  --error-bg: #fff1f2;
  --error-text: #b42318;
  --info-bg: #eef4ff;
  --info-text: #1d4ed8;
  --shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  --radius: 14px;
  --radius-sm: 10px;
  --max-width: 1650px;
}

* { box-sizing: border-box; }
html { margin: 0; padding: 0; }

body {
  margin: 0;
  padding: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { font-weight: 700; }

.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.topbar {
  background: linear-gradient(135deg, #0f4c81, #173b5e);
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand { min-width: 0; }

.brand-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-subtitle {
  margin: 4px 0 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.84);
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

.inventory-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  white-space: nowrap;
}

.main-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.main-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-links,
.nav-actions,
.section-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 12px;
  padding-bottom: 12px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.nav-link:hover { background: var(--surface-muted); text-decoration: none; }
.nav-link.active { background: var(--primary-soft); color: var(--primary); }
.nav-link.section-link { border: 1px solid var(--border); background: #ffffff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.nav-link.section-link.active { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }

.nav-divider { width: 1px; height: 24px; background: var(--border); margin: 0 4px; flex-shrink: 0; }

.logout-form { margin: 0; }

main { flex: 1 1 auto; }

.page-wrap { padding-top: 24px; padding-bottom: 40px; }

.flash-stack { display: grid; gap: 12px; margin-bottom: 20px; }

.flash {
  padding: 14px 16px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 600;
}

.flash.success { background: var(--success-bg); border-color: #cce9d4; color: var(--success-text); }
.flash.warning { background: var(--warning-bg); border-color: #efd89f; color: var(--warning-text); }
.flash.error   { background: var(--error-bg);   border-color: #f2c4cb; color: var(--error-text); }
.flash.info    { background: var(--info-bg);    border-color: #c9d8ff; color: var(--info-text); }

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.page-title { margin: 0; font-size: 1.9rem; font-weight: 700; letter-spacing: -0.01em; }
.page-subtitle { margin: 6px 0 0; color: var(--text-soft); }

.header-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.content-stack > * + * { margin-top: 20px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.card-accent { border-left: 4px solid var(--primary); }
.card-warning { border-color: #e7c76d; background: #fffdf8; }

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.section-title { margin: 0; font-size: 1.15rem; font-weight: 700; }
.section-subtitle { margin: 4px 0 0; color: var(--text-soft); font-size: 0.95rem; }

.muted { color: var(--text-soft); }

.helper-text {
  display: block;
  margin-top: 6px;
  color: var(--text-soft);
  font-size: 0.875rem;
}

.inline-note { font-weight: 400; color: var(--text-soft); }

.empty-state {
  padding: 18px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  background: var(--surface-muted);
  color: var(--text-soft);
}

.soft-panel {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--primary-soft);
}

.soft-panel p { margin: 0 0 6px; }
.soft-panel p:last-child { margin-bottom: 0; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.dashboard-stats { margin-bottom: 28px; }

.stat-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.stat-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft), var(--shadow);
  text-decoration: none;
}

.stat-label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-soft);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stat-value { font-size: 2rem; font-weight: 700; line-height: 1.1; }

.table-wrap { width: 100%; overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

th, td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-soft);
  background: var(--surface-muted);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}

tbody tr:hover td { background: #fbfdff; }

.detail-table th { width: 180px; }
.detail-table th, .detail-table td { padding-top: 12px; padding-bottom: 12px; }

.table-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge.available       { background: var(--success-bg); color: var(--success-text); }
.badge.checked-out     { background: var(--primary-soft); color: var(--primary); }
.badge.maintenance     { background: var(--warning-bg); color: var(--warning-text); }
.badge.lost            { background: var(--error-bg); color: var(--error-text); }
.badge.retired         { background: #f3f4f6; color: #6b7280; }
.badge.requested-back  { background: #fef9c3; color: #713f12; border: 1px solid #fde047; }

/* Promo dashboard helpers (consolidated from per-template <style> blocks) */
.vendor-row-low td    { background: #f6fbf7; }
.vendor-row-medium td { background: #fff9eb; }
.vendor-row-high td   { background: #fff3e6; }
.vendor-row-over td   { background: #fff1f2; }

.summary-bubbles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.summary-bubble {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
}

.summary-bubble-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-soft);
}

.summary-bubble-value {
  font-size: 1.2rem;
  font-weight: 700;
}

.dashboard-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 20px;
}

.queue-stack { display: grid; gap: 20px; }

.queue-card .table-wrap {
  max-height: 240px;
  overflow-y: auto;
}

/* Used by the _promo_filter_form.html partial */
.promo-filter-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.form-shell { max-width: 720px; }
.narrow-shell { max-width: 560px; }
.auth-shell { max-width: 460px; margin: 3rem auto 0; }

.form-grid { display: grid; gap: 18px; }
.form-grid.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.field { display: flex; flex-direction: column; gap: 8px; }
.field-full { grid-column: 1 / -1; }

label { font-size: 0.95rem; font-weight: 700; }

input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
input[type="date"],
input[type="number"],
input[type="url"],
textarea,
select {
  width: 100%;
  min-height: 44px;
  padding: 12px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

input:disabled,
select:disabled,
textarea:disabled {
  background: var(--surface-muted);
  color: var(--text-soft);
  cursor: not-allowed;
  opacity: 0.75;
}

textarea { min-height: 120px; resize: vertical; }

input:focus,
textarea:focus,
select:focus,
button:focus,
a.button:focus {
  outline: 2px solid #8bb4e9;
  outline-offset: 2px;
}

.field-error {
  border-color: var(--error-text);
  background: var(--error-bg);
}

.field-error-msg {
  margin: 0;
  color: var(--error-text);
  font-size: 0.875rem;
  font-weight: 600;
}

.button-row,
.action-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button,
a.button,
button,
input[type="submit"],
input[type="button"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  appearance: none;
  -webkit-appearance: none;
}

.button:hover,
a.button:hover,
button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background: var(--primary-dark);
  text-decoration: none;
}

.button.secondary,
a.button.secondary,
button.secondary {
  background: #ffffff;
  color: var(--text);
  border-color: var(--border-strong);
}

.button.secondary:hover,
a.button.secondary:hover,
button.secondary:hover {
  background: var(--surface-muted);
  text-decoration: none;
}

/* Spacing utilities */
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 22px; }

.footer { margin-top: auto; }

.footer-inner {
  padding-top: 0;
  padding-bottom: 26px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

/* Disabled button state */
button:disabled,
a.button[disabled],
.button[disabled] {
  background: var(--surface-muted);
  color: var(--text-soft);
  border-color: var(--border);
  cursor: not-allowed;
  opacity: 0.65;
  pointer-events: none;
}
button:disabled:hover,
a.button[disabled]:hover,
.button[disabled]:hover {
  background: var(--surface-muted);
  text-decoration: none;
}

/* Event status badges */
.badge.event-status-scheduled   { background:#eff6ff;color:#1d4ed8;border:1px solid #93c5fd; }
.badge.event-status-in-progress { background:#f0fdf4;color:#15803d;border:1px solid #86efac; }
.badge.event-status-completed   { background:var(--surface-muted);color:var(--text-soft);border:1px solid var(--border); }
.badge.event-status-cancelled   { background:#fef2f2;color:#b91c1c;border:1px solid #fca5a5; }

/* Table row states */
tr.overdue-row td:first-child { box-shadow: inset 3px 0 0 #ef4444; }
tr.overdue-row td { background: #fff1f2; }
tr.requested-back-row td { background: #fefce8; }

/* Overdue inline tags and dates */
.overdue-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid #fca5a5;
  white-space: nowrap;
}
.return-date { white-space: nowrap; }
.return-date.overdue { color: var(--error-text); font-weight: 700; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1024px) {
  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .promo-filter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .dashboard-layout { grid-template-columns: 1fr; }
  .summary-bubbles  { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .main-nav-inner { align-items: flex-start; }
  .nav-links,
  .nav-actions,
  .section-switcher { width: 100%; }
  .nav-divider { display: none; }
}

@media (max-width: 720px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .page-wrap { padding-top: 16px; padding-bottom: 28px; }
  .grid-4,
  .grid-3,
  .grid-2,
  .form-grid.two-col {
    grid-template-columns: 1fr;
  }
  .promo-filter-grid { grid-template-columns: 1fr; }
  .card,
  .stat-card { padding: 18px; }
  th, td { padding: 12px; }
  .page-title { font-size: 1.6rem; }
  .auth-shell { margin-top: 1.5rem; }
}