/* ---------- Themes ----------
   The host picks one on the Settings tab. Each theme only sets these variables. */

:root,
[data-theme='castle'] {
  --bg: #0d0a09;
  --bg-glow: rgba(201, 140, 60, 0.13);
  --surface: #191210;
  --surface-2: #231915;
  --border: #3a2a22;
  --text: #ece1cf;
  --muted: #a8988a;
  --accent: #c9a24a;
  --accent-text: #1a1209;
  --danger: #b33a3a;
  --success: #7fae6b;
  --reveal-bg: #2a1d10;
  --reveal-border: #c9a24a;
  --heading-font: 'Cinzel', Georgia, serif;
  --body-font: 'EB Garamond', Georgia, serif;
  --body-size: 1.15rem;
  --tartan: repeating-linear-gradient(90deg, rgba(110, 20, 20, 0.35) 0 14px, transparent 14px 28px, rgba(30, 50, 35, 0.35) 28px 34px, transparent 34px 56px),
    repeating-linear-gradient(0deg, rgba(110, 20, 20, 0.35) 0 14px, transparent 14px 28px, rgba(30, 50, 35, 0.35) 28px 34px, transparent 34px 56px), #2b0d0d;
  color-scheme: dark;
}

[data-theme='parchment'] {
  --bg: #e9dcc0;
  --bg-glow: rgba(255, 245, 220, 0.6);
  --surface: #f6eedb;
  --surface-2: #efe3c8;
  --border: #cdb98f;
  --text: #2b2118;
  --muted: #6e5d49;
  --accent: #7a1f1f;
  --accent-text: #f6eedb;
  --danger: #a12a2a;
  --success: #3f6b2e;
  --reveal-bg: #fbf4e2;
  --reveal-border: #9a7a2e;
  --heading-font: 'Cinzel', Georgia, serif;
  --body-font: 'EB Garamond', Georgia, serif;
  --body-size: 1.15rem;
  --tartan: linear-gradient(#7a1f1f, #5e1717);
  color-scheme: light;
}

[data-theme='plain'] {
  --bg: #f6f7f9;
  --bg-glow: transparent;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #d9dde3;
  --text: #1c2026;
  --muted: #5d6673;
  --accent: #2f5bd3;
  --accent-text: #ffffff;
  --danger: #c0392b;
  --success: #2e8b57;
  --reveal-bg: #eef3ff;
  --reveal-border: #2f5bd3;
  --heading-font: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --body-font: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --body-size: 1rem;
  --tartan: #1c2026;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  [data-theme='plain'] {
    --bg: #121418;
    --surface: #1b1e24;
    --surface-2: #23272e;
    --border: #333943;
    --text: #e6e9ee;
    --muted: #9aa3af;
    --accent: #6d93ff;
    --accent-text: #0b1020;
    --reveal-bg: #1a2238;
    --reveal-border: #6d93ff;
    color-scheme: dark;
  }
}

/* ---------- Base ---------- */

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% -10%, var(--bg-glow), transparent 60%), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--body-font);
  font-size: var(--body-size);
  line-height: 1.5;
}

h1,
h2,
h3 {
  font-family: var(--heading-font);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

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

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.wrap.wide {
  max-width: 1000px;
}

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

.small {
  font-size: 0.85em;
}

.hidden {
  display: none !important;
}

/* ---------- Header ---------- */

.banner {
  background: var(--tartan);
  border-bottom: 2px solid var(--accent);
  padding: 28px 16px 22px;
  text-align: center;
  margin-bottom: 24px;
}

.banner h1 {
  color: #f3e6c8;
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.banner .sub {
  color: #d8c7a3;
  margin-top: 6px;
  font-size: 0.95em;
}

[data-theme='plain'] .banner h1 {
  text-transform: none;
  letter-spacing: 0;
}

/* ---------- Cards ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 16px;
}

.card h2 {
  font-size: 1.25rem;
  color: var(--accent);
}

[data-theme='castle'] .card {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.notice {
  border-left: 4px solid var(--accent);
}

.riddle {
  white-space: pre-wrap;
  font-style: italic;
  margin: 0 0 14px;
}

[data-theme='plain'] .riddle {
  font-style: normal;
}

.badge {
  display: inline-block;
  font-family: var(--body-font);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  vertical-align: middle;
  margin-left: 6px;
}

.badge.gold {
  border-color: var(--accent);
  color: var(--accent);
}

.badge.red {
  border-color: var(--danger);
  color: var(--danger);
}

.badge.green {
  border-color: var(--success);
  color: var(--success);
}

.clue-image {
  display: block;
  margin: 0 0 14px;
}

.clue-image img {
  display: block;
  max-width: 100%;
  max-height: 70vh;
  margin: 0 auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.reveal .clue-image {
  margin: 12px 0 0;
  white-space: normal;
}

details.hint {
  margin: 0 0 14px;
  color: var(--muted);
}

details.hint summary {
  cursor: pointer;
}

/* ---------- Forms ---------- */

label {
  display: block;
  font-size: 0.9em;
  color: var(--muted);
  margin: 10px 0 4px;
}

input[type='text'],
input[type='password'],
input[type='datetime-local'],
input[type='number'],
select,
textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.code-row {
  display: flex;
  gap: 8px;
}

.code-row input {
  flex: 1;
  min-width: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

button,
.button {
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 8px;
  padding: 10px 16px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  white-space: nowrap;
}

button.secondary {
  background: transparent;
  color: var(--accent);
}

button.danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}

button.small {
  padding: 5px 10px;
  font-size: 0.85rem;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

.message {
  margin-top: 8px;
  font-size: 0.95em;
}

.message.error {
  color: var(--danger);
}

.message.ok {
  color: var(--success);
}

/* ---------- Reveal ---------- */

.reveal {
  background: var(--reveal-bg);
  border: 1px solid var(--reveal-border);
  border-radius: 8px;
  padding: 14px 16px;
  white-space: pre-wrap;
}

.reveal.fresh {
  animation: unseal 0.6s ease-out;
}

.reveal .reveal-label {
  display: block;
  font-family: var(--heading-font);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  white-space: normal;
}

.reveal.late {
  border-color: var(--border);
  color: var(--muted);
}

@keyframes unseal {
  from {
    opacity: 0;
    transform: scale(0.97);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* ---------- Host page ---------- */

.tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.tabs button {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  color: var(--muted);
  padding: 10px 14px;
}

.tabs button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}

@media (max-width: 640px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  margin: 12px 0 4px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.85rem;
}

td select {
  width: auto;
  padding: 5px 8px;
}

.row-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.clue-meta {
  font-size: 0.9em;
  color: var(--muted);
  margin: 4px 0 10px;
}

.clue-meta span {
  margin-right: 12px;
}

.image-preview {
  display: block;
  max-width: 100%;
  max-height: 220px;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin: 4px 0 8px;
}

.thumbs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 10px;
}

.thumbs figure {
  margin: 0;
}

.thumbs img {
  display: block;
  height: 110px;
  max-width: 200px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.thumbs figcaption {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 2px;
}

.code-text {
  font-family: ui-monospace, Consolas, monospace;
  letter-spacing: 0.06em;
  color: var(--text);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  max-width: calc(100vw - 32px);
  z-index: 10;
}