:root {
    /* All colours live here. Add a token rather than hardcoding a value —
       that's what makes the theme changeable in one place. */
    --bg: #f2f6f7;          /* cool off-white page */
    --surface: #ffffff;     /* cards, table body, input fields */
    --surface2: #c3d8e0;    /* table header band, chips */
    --primary: #14607a;     /* deep teal chrome: headings, focus, header band */
    --primary-dark: #0e4757;/* header gradient end */
    --on-primary: #ffffff;  /* text on the dark header band */
    --on-primary-muted: #cfe3ea;
    --text: #16232b;
    --text-muted: #5b6b73;
    --green: #147b48;       /* status: sold out */
    --green-deep: #0b4d2e;  /* status: final check (verified) */
    --blue: #1c6ea4;        /* status: out for sale */
    --yellow: #d19a00;      /* accent fills, bars and borders — never text */
    --yellow-deep: #8a5d00; /* status: returned; any yellow *text* */
    --red: #b02a2a;         /* destructive actions, negatives */
    --border: rgba(0,0,0,0.10);
    --border-strong: rgba(0,0,0,0.22); /* input outlines, scrollbar thumb */
    --hover: rgba(0,0,0,0.04);
  }

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

  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
  }

  header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 20px 32px;
    border-bottom: 3px solid var(--yellow);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  header h1 {
    font-size: 1.6rem;
    color: var(--on-primary);
  }

  header .summary {
    display: flex;
    gap: 24px;
    font-size: 0.9rem;
  }

  header .summary .stat {
    text-align: center;
  }

  header .summary .stat .val {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--on-primary);
  }

  header .summary .stat .label {
    color: var(--on-primary-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .tabs {
    display: flex;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
  }

  .tab {
    padding: 12px 24px;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
  }

  .tab:hover { color: var(--text); background: var(--hover); }
  .tab.active { color: var(--primary); border-bottom-color: var(--yellow); }

  main { padding: 24px 32px; max-width: 1200px; margin: 0 auto; }

  .panel { display: none; }
  .panel.active { display: block; }

  .ticket-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .ticket-header h2 { font-size: 1.3rem; }

  .ticket-header .price-tag {
    background: var(--surface2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--primary);
    color: var(--primary);
  }

  .ticket-header .panel-stats {
    display: flex;
    gap: 20px;
  }

  .ticket-header .panel-stats .ps {
    text-align: right;
  }

  .ticket-header .panel-stats .ps .pv {
    font-size: 1.1rem;
    font-weight: 700;
  }

  .ticket-header .panel-stats .ps .pl {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
  }

  thead th {
    background: var(--surface2);
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 1;
  }

  thead th:last-child, tbody td:last-child { text-align: right; }
  thead th:nth-child(3), tbody td:nth-child(3),
  thead th:nth-child(4), tbody td:nth-child(4) { text-align: right; }

  tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
  }

  tbody tr:hover { background: var(--hover); }

  tbody td {
    padding: 8px 12px;
    vertical-align: middle;
  }

  .status-badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
  }

  .status-outtosell  { background: rgba(28,110,164,0.16); border: 1px solid rgba(28,110,164,0.40); color: var(--blue); }
  .status-returned   { background: rgba(138,93,0,0.16);   border: 1px solid rgba(138,93,0,0.40);   color: var(--yellow-deep); }
  .status-soldout    { background: rgba(20,123,72,0.16);  border: 1px solid rgba(20,123,72,0.40);  color: var(--green); }
  .status-finalcheck { background: rgba(11,77,46,0.16);   border: 1px solid rgba(11,77,46,0.40);   color: var(--green-deep); }
  .status-untouched  { background: var(--hover);           border: 1px solid var(--border);         color: var(--text-muted); }

  /* Row tint by status: a wash across the full row so status is readable
     without scanning the far-right Sold column. Additive — the badge stays.
     Declared after tbody tr:hover, which has equal specificity.
     Final Check runs a heavier alpha than the others: it shares the green family
     with Sold Out, so matching alphas made the two rows indistinguishable. */
  tbody tr.row-untouched  { background: transparent; }
  tbody tr.row-outtosell  { background: rgba(28,110,164,0.10); }
  tbody tr.row-returned   { background: rgba(138,93,0,0.10); }
  tbody tr.row-soldout    { background: rgba(20,123,72,0.10); }
  tbody tr.row-finalcheck { background: rgba(11,77,46,0.24); }

  tbody tr.row-outtosell:hover  { background: rgba(28,110,164,0.18); }
  tbody tr.row-returned:hover   { background: rgba(138,93,0,0.18); }
  tbody tr.row-soldout:hover    { background: rgba(20,123,72,0.18); }
  tbody tr.row-finalcheck:hover { background: rgba(11,77,46,0.32); }

  /* Left accent bar, so status isn't carried by a low-contrast wash alone. */
  tbody td:first-child { border-left: 3px solid transparent; }
  tbody tr.row-outtosell  td:first-child { border-left-color: var(--blue); }
  tbody tr.row-returned   td:first-child { border-left-color: var(--yellow-deep); }
  tbody tr.row-soldout    td:first-child { border-left-color: var(--green); }
  tbody tr.row-finalcheck td:first-child { border-left-color: var(--green-deep); }

  input[type="number"], input[type="text"], select {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    color: var(--text);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    width: 100%;
    min-width: 70px;
  }

  input[type="number"]:focus, input[type="text"]:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(20,96,122,0.25);
  }

  select {
    cursor: pointer;
    appearance: none;
    padding-right: 24px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235b6b73' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
  }

  .btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
  }

  .btn-add {
    background: var(--surface2);
    color: var(--primary);
    border: 1px solid var(--primary);
  }

  .btn-add:hover { background: rgba(20,96,122,0.12); }

  .btn-remove {
    background: none;
    border: none;
    color: var(--red);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
    opacity: 0.5;
    transition: opacity 0.2s;
  }

  .btn-remove:hover { opacity: 1; }

  .btn-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
  }

  /* Totals panel */
  .totals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  @media (max-width: 800px) {
    .totals-grid { grid-template-columns: 1fr; }
    .settings-grid { grid-template-columns: 1fr !important; }
    main { padding: 16px; }
    header { padding: 16px; flex-direction: column; gap: 12px; }
  }

  .card {
    background: var(--surface);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border);
  }

  .card h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
  }

  .card-wide { grid-column: 1 / -1; }

  .kv-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
  }

  .kv-row:last-child { border-bottom: none; }
  .kv-row .kv-label { color: var(--text-muted); }
  .kv-row .kv-value { font-weight: 600; }
  .kv-row.highlight .kv-value { color: var(--yellow-deep); font-size: 1.1rem; }
  .kv-row.highlight .kv-label { font-weight: 600; color: var(--text); }

  .tier-table { width: 100%; margin-top: 8px; }
  .tier-table th { font-size: 0.7rem; padding: 6px 8px; }
  .tier-table td { padding: 6px 8px; font-size: 0.85rem; }

  /* Wristband panel */
  .wristband-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  @media (max-width: 700px) {
    .wristband-grid { grid-template-columns: 1fr; }
  }

  .wb-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
  }

  .wb-field label {
    color: var(--text-muted);
    font-size: 0.85rem;
  }

  .wb-field input {
    width: 120px;
  }

  .wb-result {
    margin-top: 16px;
    padding: 12px;
    background: rgba(20,96,122,0.08);
    border-radius: 8px;
    border: 1px solid rgba(20,96,122,0.35);
  }

  .wb-result .kv-row .kv-value { color: var(--primary); }

  .day-inputs {
    margin-bottom: 20px;
  }

  .day-inputs h3 {
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 1rem;
  }

  .day-input-row {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
  }

  .day-input-row label {
    color: var(--text-muted);
    font-size: 0.85rem;
    min-width: 140px;
  }

  .day-input-row input {
    width: 120px;
  }

  .scroll-wrap {
    max-height: 60vh;
    overflow-y: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
  }

  .scroll-wrap::-webkit-scrollbar { width: 6px; }
  .scroll-wrap::-webkit-scrollbar-track { background: var(--surface); }
  .scroll-wrap::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

  .btn-export {
    background: var(--green);
    color: #fff;
  }

  .btn-export:hover { filter: brightness(1.1); }

  .btn-import {
    background: var(--blue);
    color: #fff;
  }

  .btn-import:hover { filter: brightness(1.1); }

  .money { font-variant-numeric: tabular-nums; }

  /* Range Setup */
  .range-setup {
    background: rgba(20,96,122,0.07);
    border: 1px solid rgba(20,96,122,0.35);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }

  .range-setup label {
    color: var(--text-muted);
    font-size: 0.8rem;
    white-space: nowrap;
  }

  .range-setup input {
    width: 120px;
  }

  .range-setup .range-preview {
    flex: 1;
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 160px;
  }

  .range-setup .range-preview strong {
    color: var(--primary);
  }

  .btn-setup {
    background: var(--yellow);
    color: var(--text);
    font-weight: 700;
  }

  .btn-setup:hover { filter: brightness(1.1); }

  /* Settings panel */
  .settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  /* Small explanatory note inside a card (replaces repeated inline styles). */
  .card-note, .field-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
  }

  .card-note { margin-bottom: 12px; }
  .field-hint { margin-top: 8px; }

  /* Splits the Settings grid into two zones: per-type cards, then tiers. */
  .settings-section-head {
    grid-column: 1 / -1;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: 4px;
  }

  .setting-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
  }

  .setting-field:last-child { border-bottom: none; }

  .setting-field label {
    color: var(--text-muted);
    font-size: 0.85rem;
    flex: 1;
  }

  .setting-field input {
    width: 120px;
    flex-shrink: 0;
  }

  .tier-edit-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
  }

  .tier-edit-row input {
    width: 100px;
  }

  .tier-edit-row .btn-remove {
    flex-shrink: 0;
  }

  .tier-edit-row span {
    color: var(--text-muted);
    font-size: 0.8rem;
    white-space: nowrap;
  }

/* Connection / conflict banners. Non-blocking by design: a conflict must never
   auto-reload, since that would discard whatever is half-typed. */
.banner {
  padding: 10px 32px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Required. The `hidden` attribute only works through the UA rule
   [hidden]{display:none}, and ANY author `display` rule beats it — so without
   this, `el.hidden = true` sets the attribute and changes nothing on screen.
   Any future rule that sets `display` on a hideable element needs the same. */
.banner[hidden] {
  display: none;
}

.banner-offline {
  background: rgba(209,154,0,0.18);
  color: var(--yellow-deep);
  border-bottom: 1px solid var(--yellow);
}

.banner-conflict {
  background: rgba(176,42,42,0.12);
  color: var(--red);
  border-bottom: 1px solid var(--red);
}

.btn-reload {
  background: var(--red);
  color: #fff;
  padding: 4px 12px;
}

.btn-reload:hover { filter: brightness(1.1); }

/* Event picker. Sits under the title inside the header band, so the header's
   space-between still puts the summary stats on the right. */
.hdr-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.event-picker {
  display: flex;
  align-items: center;
  gap: 8px;
}

.event-picker label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--on-primary-muted);
}

/* Inputs are styled for light panels; on the dark header band they need their
   own treatment or they read as a hole punched in the header. */
.event-picker select {
  width: auto;
  min-width: 110px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--on-primary);
  padding: 4px 24px 4px 8px;
  font-size: 0.85rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23ffffff' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.event-picker select:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px rgba(209,154,0,0.35);
}

.event-picker select option {
  background: var(--surface);
  color: var(--text);
}

.btn-new-event {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--on-primary);
  padding: 5px 10px;
  font-size: 0.8rem;
}

.btn-new-event:hover { background: rgba(255,255,255,0.22); }

/* A year that exists only on this device, not yet in KV. */
#cfg-event-year[readonly] {
  background: var(--hover);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Danger zone: last thing on Settings, and the only place destructive actions
   live. Outlined red, never solid — a solid red fill reads as a primary action,
   which is how "Reset All" ended up looking like the third button in a toolbar. */
.danger-zone {
  grid-column: 1 / -1;
  margin-top: 8px;
  padding: 16px 20px 20px;
  border: 1px solid var(--red);
  border-radius: 12px;
  background: rgba(176,42,42,0.05);
}

.danger-zone h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--red);
  margin-bottom: 4px;
}

.danger-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.danger-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 220px;
}

.danger-text strong { font-size: 0.9rem; }
.danger-text span { font-size: 0.8rem; color: var(--text-muted); }

.btn-danger {
  background: transparent;
  border: 1px solid var(--red);
  color: var(--red);
  white-space: nowrap;
}

.btn-danger:hover { background: rgba(176,42,42,0.10); }

/* The confirmation step. Hidden until the action is deliberately started, so
   it needs its own [hidden] rule — an author display rule beats the UA one. */
.danger-confirm {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px;
  margin-bottom: 4px;
  border-radius: 8px;
  background: rgba(176,42,42,0.10);
  border: 1px solid var(--red);
  font-size: 0.85rem;
}

.danger-confirm[hidden] {
  display: none;
}

.danger-confirm input {
  width: 90px;
  flex: 0 0 auto;
}

.btn-danger-solid {
  background: var(--red);
  color: #fff;
  white-space: nowrap;
}

.btn-danger-solid:hover:not(:disabled) { filter: brightness(1.1); }

.btn-danger-solid:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-cancel {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text);
}

.btn-cancel:hover { background: var(--hover); }

/* Generation errors. Same visual language as the danger-zone confirmations from
   ISSUE-011 rather than a second pattern — and like those, it sets `display`, so
   it needs its own [hidden] rule to stay hidden. */
.range-error {
  display: block;
  margin: -8px 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--red);
  border-radius: 8px;
  background: rgba(176,42,42,0.08);
  font-size: 0.85rem;
  color: var(--text);
}

.range-error[hidden] {
  display: none;
}

.range-error strong {
  display: block;
  margin-bottom: 4px;
  color: var(--red);
}

.range-error ul {
  margin: 6px 0 0 18px;
}

.range-error li {
  font-variant-numeric: tabular-nums;
}

/* The batch's own extent, shown under the start number so a conflict message
   can be checked against the table. */
.batch-range {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* Save control. Lives at the top of Settings only (ISSUE-014) — deliberately
   not in the header or on the working tabs. */
.save-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.save-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 280px;
}

.btn-save {
  min-width: 150px;
}

/* Saved is a status, not an action, so it reads as inert. */
.btn-save.state-saved {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  cursor: default;
  opacity: 1;
}

/* Unsaved wants attention without alarm — yellow per ISSUE-006, since red is
   reserved for destructive actions. */
.btn-save.state-unsaved {
  background: var(--yellow);
  color: var(--text);
  border: 1px solid var(--yellow);
}

.btn-save.state-unsaved:hover { filter: brightness(1.06); }

.btn-save.state-saving {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  cursor: default;
}

.btn-save.state-failed {
  background: transparent;
  border: 1px solid var(--red);
  color: var(--red);
}

.btn-save.state-failed:hover { background: rgba(176,42,42,0.10); }

/* Unsaved marker on the Settings tab: visible from every panel, points at where
   the button is, and is not itself a control. Sets `display`, so it needs the
   [hidden] rule to stay hidden. */
.unsaved-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--yellow);
  vertical-align: middle;
}

.unsaved-dot[hidden] {
  display: none;
}

/* Backup & restore: the middle zone of Settings. Recoverable actions, so
   deliberately not the danger zone's red — teal chrome per ISSUE-006. */
.backup-zone {
  grid-column: 1 / -1;
  margin-top: 8px;
  padding: 16px 20px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.backup-zone h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  margin-bottom: 4px;
}

.backup-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 8px;
}

/* One deliberate step before an import replaces the event. Sets `display`, so
   it needs its own [hidden] rule. */
.backup-confirm {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--primary);
  border-radius: 8px;
  background: rgba(20,96,122,0.08);
  font-size: 0.85rem;
}

.backup-confirm[hidden] {
  display: none;
}

.btn-primary-solid {
  background: var(--primary);
  color: var(--on-primary);
  white-space: nowrap;
}

.btn-primary-solid:hover { filter: brightness(1.1); }