:root {
  --navy: #0b3a53;
  --navy-2: #0f4c6b;
  --teal: #11818c;
  --teal-soft: #e3f4f5;
  --sand: #f6efe2;
  --bg: #f4f7f9;
  --card: #ffffff;
  --text: #15232d;
  --muted: #5d6f7b;
  --line: #dde5ea;
  --ok: #1b7f4b;
  --ok-soft: #e1f3e8;
  --warn: #a8640a;
  --warn-soft: #fdf0dc;
  --err: #b42323;
  --err-soft: #fbe5e5;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(11, 58, 83, .06), 0 4px 14px rgba(11, 58, 83, .06);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
[hidden] { display: none !important; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; }
.muted { color: var(--muted); font-size: .9em; }
.small { font-size: .85em; }
.error { color: var(--err); }
.warn-text { color: var(--warn); }
.ok-text { color: var(--ok); }

/* Buttons */
.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; border-radius: 8px;
  padding: .6em 1.1em; background: var(--line); color: var(--text);
}
.btn:disabled { opacity: .55; cursor: progress; }
.btn.primary { background: var(--teal); color: #fff; }
.btn.primary:hover { background: #0d6b74; }
.btn.ghost { background: transparent; border-color: var(--line); }
.btn.ghost:hover { background: var(--teal-soft); }
.btn.danger { background: var(--err); color: #fff; }
.btn.warn { background: var(--warn); color: #fff; }
.btn.small { padding: .35em .75em; font-size: .85em; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px;
  background: linear-gradient(160deg, var(--navy) 0%, var(--teal) 100%); }
.login-card { background: var(--card); padding: 32px 28px; border-radius: 16px; width: min(380px, 100%);
  display: grid; gap: 14px; box-shadow: 0 20px 50px rgba(0,0,0,.25); text-align: center; }
.login-card label { text-align: left; }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--navy); color: #fff; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05em; }
.tabs { display: flex; gap: 4px; flex: 1; }
.tabs a { color: #cfe4ec; text-decoration: none; padding: 8px 14px; border-radius: 8px; font-weight: 600; }
.tabs a:hover { background: var(--navy-2); color: #fff; }
.tabs a.active { background: var(--teal); color: #fff; }
.who { display: flex; align-items: center; gap: 10px; font-size: .9em; color: #cfe4ec; }
.who .btn { color: #fff; border-color: rgba(255,255,255,.3); }
.who .btn:hover { background: var(--navy-2); }

main { max-width: 1280px; margin: 0 auto; padding: 20px; }
.view-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.view-head h2 { margin-right: auto; }

/* Panels */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px; margin-bottom: 18px; }
.panel-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.empty { padding: 8px 0; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat .n { font-size: 2em; font-weight: 750; color: var(--navy); font-variant-numeric: tabular-nums; }
.stat .l { font-weight: 600; }
.stat .sub { color: var(--muted); font-size: .85em; }
.stat.alert { border-color: var(--err); background: var(--err-soft); }
.stat.alert .n { color: var(--err); }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8em; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); white-space: nowrap; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--teal-soft); }
tr.over { background: var(--warn-soft); }
.row-actions { text-align: right; white-space: nowrap; }
.flag { color: var(--err); }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .8em; font-weight: 700; white-space: nowrap;
  background: var(--line); color: var(--text); }
.badge.s-checked-in { background: var(--ok-soft); color: var(--ok); }
.badge.s-checked-out { background: #e8edf1; color: var(--muted); }
.badge.s-pre-registered { background: var(--teal-soft); color: var(--teal); }
.badge.s-denied { background: var(--err-soft); color: var(--err); }
.badge.s-cancelled { background: var(--warn-soft); color: var(--warn); }

/* Forms */
label { display: grid; gap: 4px; font-weight: 600; font-size: .9em; }
label > span { color: var(--muted); }
input, select, textarea { font: inherit; font-weight: 400; padding: .55em .7em; border: 1px solid #c8d4db;
  border-radius: 8px; background: #fff; color: var(--text); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--teal); outline-offset: 0; border-color: var(--teal); }
textarea { resize: vertical; }
label.check { display: flex; align-items: center; gap: 8px; align-self: end; padding-bottom: .55em; }
label.check input { width: auto; }
fieldset { border: 0; padding: 0; margin: 0 0 18px; }
legend { font-weight: 700; color: var(--navy); margin-bottom: 10px; font-size: 1.02em; }
.section { border-top: 1px solid var(--line); padding-top: 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px 16px; }
.grid .wide { grid-column: 1 / -1; }
.modes { display: flex; flex-wrap: wrap; gap: 10px; }
.modes legend { width: 100%; }
.modes label { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; cursor: pointer; }
.modes label:has(input:checked) { border-color: var(--teal); background: var(--teal-soft); }
.modes input { width: auto; }
.actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; margin-top: 12px; }

.filters { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr auto; gap: 12px; align-items: end; }
.filters .actions { margin: 0; }

.lookup-list { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 6px; }
.lookup-list button { all: unset; cursor: pointer; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline;
  width: 100%; box-sizing: border-box; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; }
.lookup-list button:hover, .lookup-list button:focus-visible { background: var(--teal-soft); border-color: var(--teal); }

/* Modal */
dialog { border: 0; border-radius: 14px; padding: 0; width: min(860px, calc(100vw - 32px)); max-height: calc(100vh - 48px);
  box-shadow: 0 24px 60px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(11, 58, 83, .45); }
.modal-body { padding: 22px 24px; }
.detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.modal-body h4 { margin: 18px 0 8px; color: var(--navy); border-top: 1px solid var(--line); padding-top: 12px; }
dl { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px 16px; margin: 0; }
dt { font-size: .78em; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
dd { margin: 0; white-space: pre-wrap; word-break: break-word; }
dl.times { background: var(--sand); padding: 12px; border-radius: 8px; }
.matches { padding-left: 18px; }
.matches li { margin-bottom: 8px; }

/* Toast */
#toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 150%); transition: transform .25s;
  background: var(--navy); color: #fff; padding: 12px 18px; border-radius: 10px; box-shadow: var(--shadow); z-index: 100; max-width: calc(100vw - 32px); }
#toast.show { transform: translate(-50%, 0); }
#toast.warn { background: var(--warn); }
#toast.error { background: var(--err); }

/* Print pass */
#print-pass { display: none; }
@media print {
  body > *:not(#print-pass) { display: none !important; }
  #print-pass { display: block; }
  .pass { width: 90mm; border: 2px solid #000; border-radius: 6mm; padding: 6mm; font-size: 11pt; }
  .pass-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
  .pass-title { margin-top: 4mm; font-size: 16pt; font-weight: 800; letter-spacing: .1em; }
  .pass-id { font-family: ui-monospace, monospace; font-size: 13pt; margin-bottom: 4mm; }
  .pass dl { grid-template-columns: 1fr 1fr; }
  .pass-foot { font-size: 8pt; margin-top: 4mm; }
}

/* Mobile */
@media (max-width: 760px) {
  main { padding: 16px; }
  .topbar { padding: 10px 16px; gap: 8px; }
  .tabs { order: 3; width: 100%; flex: none; overflow-x: auto; }
  .who { margin-left: auto; }
  .filters { grid-template-columns: 1fr 1fr; }
  .filters label:first-child, .filters .actions { grid-column: 1 / -1; }
  .modal-body { padding: 18px 16px; }
  th:nth-child(3), td:nth-child(3), th:nth-child(4), td:nth-child(4) { display: none; }
}