:root {
  --ivory: #fbf8f1;
  --champagne: #f3ead8;
  --gold: #a8842c;
  --gold-dark: #7c6120;
  --green: #3f5b3a;
  --ink: #2a2620;
  --muted: #6f675a;
  --line: #e4dac4;
  --danger: #a33a2b;
  --warn-bg: #fff4d6;
  --error-bg: #fbe9e5;
  --ok-bg: #e7f0e3;
  --radius: 10px;
  color-scheme: light;
}

* { box-sizing: border-box; }
/* Author display rules (e.g. .nav's flex) would otherwise override the hidden attribute. */
[hidden] { display: none !important; }

body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--ivory);
}

h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 600; line-height: 1.2; }
h1 { font-size: 1.9rem; margin: 0.4rem 0 1rem; }
h2 { font-size: 1.25rem; margin: 0 0 0.75rem; }
a { color: var(--gold-dark); }
code { background: var(--champagne); padding: 0.1em 0.35em; border-radius: 4px; word-break: break-all; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 0.87rem; margin: 0.3rem 0 0; }
.big { font-size: 1.2rem; font-weight: 600; margin: 0.2rem 0; }

/* Top bar */
.topbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.5rem;
  padding: 0.75rem 1.25rem; background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-family: Georgia, serif; font-size: 1.3rem; color: var(--gold-dark); text-decoration: none; font-weight: 600; }
.brand span { font-family: system-ui, sans-serif; font-size: 0.85rem; color: var(--muted); font-weight: 400; margin-left: 0.3rem; }
.nav { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.nav a { padding: 0.35rem 0.7rem; border-radius: 6px; text-decoration: none; color: var(--ink); }
.nav a[aria-current="page"] { background: var(--champagne); color: var(--gold-dark); font-weight: 600; }
.account { margin-left: auto; display: flex; gap: 0.75rem; align-items: center; font-size: 0.87rem; color: var(--muted); }

.view { max-width: 1100px; margin: 0 auto; padding: 1rem 1.25rem 4rem; }

/* Cards and forms */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.25rem; margin: 0 0 1.1rem; }
.card.narrow { max-width: 460px; margin: 3rem auto; }
.card-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 0.5rem; margin-bottom: 0.5rem; }
.toggle { display: inline-flex; border: 1px solid #cdbf9f; border-radius: 999px; overflow: hidden; background: #fff; }
.toggle-option { border: none; border-radius: 0; background: none; padding: 0.35rem 0.9rem; color: var(--muted); }
.toggle-option[aria-pressed="true"] { background: var(--gold); color: #fff; font-weight: 600; }
.toggle-option:not([aria-pressed="true"]):hover { background: var(--champagne); color: var(--ink); }

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; justify-content: flex-end; flex: 1 1 auto; }
.filters select { width: auto; }
.filters input[type="search"] { flex: 0 1 240px; }
.card-head h2 { margin: 0; }
.danger-zone { border-color: #e5c1ba; }

.grid-2 { display: grid; gap: 0 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.field { margin: 0 0 0.9rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
input, textarea, select {
  font: inherit; width: 100%; padding: 0.5rem 0.6rem; border: 1px solid #cdbf9f; border-radius: 6px; background: #fff; color: var(--ink);
}
input[type="checkbox"] { width: auto; }
input:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible {
  outline: 3px solid rgba(168, 132, 44, 0.45); outline-offset: 1px;
}
input[type="search"] { max-width: 260px; }
.narrow-input { max-width: 6rem; }
.checkbox { display: flex; gap: 0.5rem; align-items: center; font-weight: 600; }
.form-message { color: var(--danger); margin: 0.3rem 0; min-height: 0; }
.form-message:empty { display: none; }

.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-top: 0.5rem; }

button, .button {
  font: inherit; cursor: pointer; border-radius: 6px; padding: 0.5rem 0.95rem; border: 1px solid transparent;
  text-decoration: none; display: inline-block; line-height: 1.3;
}
button[disabled] { opacity: 0.55; cursor: not-allowed; }
button[aria-busy="true"] { cursor: progress; }
.primary { background: var(--gold); color: #fff; }
.primary:hover:not([disabled]) { background: var(--gold-dark); }
.secondary { background: #fff; color: var(--ink); border-color: #cdbf9f; }
.secondary:hover:not([disabled]) { background: var(--champagne); }
.danger { background: #fff; color: var(--danger); border-color: #d9a79e; }
.danger:hover:not([disabled]) { background: var(--error-bg); }
.whatsapp { background: #25d366; color: #05301a; border-color: #1da851; font-weight: 600; }
.whatsapp:hover { background: #1da851; color: #fff; }
.deadline-edit { margin: 0.5rem 0; }
.deadline-edit label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.deadline-edit input { max-width: 12rem; }

.link { background: none; border: none; padding: 0; color: var(--gold-dark); text-decoration: underline; }
.small { padding: 0.3rem 0.65rem; font-size: 0.87rem; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
thead th small { text-transform: none; letter-spacing: 0; font-weight: 400; }
.metrics td { font-variant-numeric: tabular-nums; font-size: 1.05rem; }
.metrics tr[data-metric="confirmedHeadcount"] td, .metrics tr[data-metric="confirmedHeadcount"] th { font-weight: 700; background: var(--ok-bg); }
.row-actions { white-space: nowrap; }
.row-actions > * + * { margin-left: 0.35rem; }
.row-actions .form-message { white-space: normal; }
.stat-line { margin: 0.75rem 0 0; }

.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.3rem; }
.chip { display: inline-block; font-size: 0.8rem; padding: 0.1rem 0.5rem; border-radius: 999px; background: var(--champagne); }
.chip-attending { background: var(--ok-bg); color: var(--green); }
.chip-not_attending { background: #ece8e1; color: var(--muted); }
.chip-pending { background: var(--warn-bg); color: #7a5a00; }
.chip-warn { background: var(--error-bg); color: #6d2418; }

.badge { display: inline-block; background: var(--ok-bg); color: var(--green); border-radius: 999px; padding: 0.15rem 0.7rem; font-weight: 600; margin: 0.2rem 0; }
.badge-warn { background: var(--warn-bg); color: #7a5a00; }

/* Notices and dialogs */
.notice-region { max-width: 1100px; margin: 0.75rem auto 0; padding: 0 1.25rem; }
.notice { display: flex; gap: 1rem; justify-content: space-between; align-items: flex-start; padding: 0.65rem 0.9rem; border-radius: 8px; background: var(--ok-bg); margin: 0.5rem 0; }
div.notice, p.notice { display: block; }
.notice-region .notice { display: flex; }
.notice-error { background: var(--error-bg); color: #6d2418; }
.notice-warn { background: var(--warn-bg); }
.notice ul { margin: 0.3rem 0 0; padding-left: 1.2rem; }

.dialog { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; max-width: 480px; width: calc(100% - 2rem); }
.dialog::backdrop { background: rgba(42, 38, 32, 0.45); }
.dialog-lines { padding-left: 1.2rem; }

.invite-url { margin: 0 0 0.5rem; }
details summary { cursor: pointer; margin: 0.75rem 0 0.25rem; }

@media (max-width: 640px) {
  .account { margin-left: 0; width: 100%; }
  h1 { font-size: 1.5rem; }
  .row-actions { white-space: normal; }
}