/*
 * Plain, flat styling: no shadows, no gradients, no transitions or keyframe
 * animations. The only thing that moves on the page is the wheel itself, which
 * is drawn on a canvas. Both colour schemes are defined so the page follows the
 * reader's system setting.
 */

:root {
  color-scheme: light dark;

  --bg: #f3f4f6;
  --surface: #ffffff;
  --surface-sunken: #eceef1;
  --border: #cfd4db;
  --border-strong: #9aa2ae;
  --text: #16181d;
  --muted: #5c636e;
  --accent: #24479c;
  --accent-text: #ffffff;
  --danger: #a3231b;
  --good: #14683a;

  --radius: 4px;
  --gap: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131519;
    --surface: #1b1e24;
    --surface-sunken: #16181d;
    --border: #333944;
    --border-strong: #565e6c;
    --text: #e5e8ec;
    --muted: #98a0ac;
    --accent: #7ba3ff;
    --accent-text: #101319;
    --danger: #ff8078;
    --good: #56cd86;
  }
}

* {
  box-sizing: border-box;
}

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

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

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

h1,
h2 {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.3;
}

p {
  margin: 0 0 8px;
}

/* --- layout ------------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  gap: var(--gap);
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
}

.grow {
  flex: 1;
}

.notice {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.notice.is-live {
  color: var(--good);
}

.notice.is-lost {
  color: var(--danger);
}

.icon-link {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  text-decoration: none;
}

.icon-link:hover {
  color: var(--text);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.split {
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 0;
}

.panel-title {
  margin: 0;
  font-size: 17px;
  text-align: center;
  overflow-wrap: anywhere;
}

.stack-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap);
}

.stack-center > .block,
.stack-center > .controls {
  width: 100%;
}

.block {
  margin: 16px 0 0;
  border: 0;
  padding: 0;
  min-width: 0;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.row-between {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  justify-content: space-between;
}

.label,
legend.label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 6px;
  padding: 0;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.is-hidden {
  display: none;
}

/* --- form controls ------------------------------------------------------ */

input,
textarea,
button {
  font: inherit;
  color: var(--text);
  background: var(--surface-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 9px;
}

input[type="text"],
input[type="number"],
textarea {
  min-width: 0;
}

input[type="text"] {
  flex: 1 1 160px;
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

input[readonly] {
  color: var(--muted);
}

input[type="range"] {
  flex: 1 1 160px;
  padding: 0;
  border: 0;
  background: none;
  accent-color: var(--accent);
}

input[type="checkbox"] {
  flex: none;
  width: 17px;
  height: 17px;
  padding: 0;
  accent-color: var(--accent);
}

textarea {
  width: 100%;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.narrow {
  flex: 0 0 88px;
  width: 88px;
}

.title-field {
  width: 100%;
  font-size: 17px;
  font-weight: 600;
}

button {
  cursor: pointer;
  background: var(--surface);
}

button:hover:not(:disabled) {
  border-color: var(--border-strong);
}

button:disabled {
  color: var(--muted);
  cursor: not-allowed;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}

button.primary:disabled {
  background: var(--surface-sunken);
  border-color: var(--border);
  color: var(--muted);
}

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

button.wide {
  flex: 1 1 160px;
  padding: 10px 16px;
}

button.icon {
  flex: none;
  padding: 6px 9px;
  color: var(--muted);
  line-height: 1;
}

button.link {
  background: none;
  border: 0;
  padding: 0 4px;
  color: var(--accent);
  text-decoration: underline;
  font-size: 13px;
}

summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 13px;
}

details[open] > summary {
  margin-bottom: 8px;
}

fieldset {
  min-width: 0;
}

/* --- home tiles --------------------------------------------------------- */

.tiles {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.tile {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  overflow-wrap: anywhere;
}

.tile:hover {
  border-color: var(--border-strong);
}

.tile strong {
  font-size: 15px;
}

/* --- entries ------------------------------------------------------------ */

.choice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 9px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}

.choice span {
  display: block;
}

.choice small {
  display: block;
  color: var(--muted);
}

.choice:has(input:checked) {
  border-color: var(--accent);
}

.choice input {
  flex: none;
  margin-top: 3px;
  accent-color: var(--accent);
}

.entries {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 360px;
  overflow-y: auto;
  padding-right: 2px;
}

.entry {
  display: flex;
  gap: 8px;
  align-items: center;
  min-width: 0;
}

.entry input[type="text"] {
  flex: 1 1 100px;
}

.swatch {
  flex: none;
  width: 14px;
  height: 22px;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background: var(--surface-sunken);
}

.entries.readonly .entry {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.entry-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
}

.entry-weight {
  flex: none;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.entry.is-out {
  color: var(--muted);
}

.entry.is-out .entry-name {
  text-decoration: line-through;
}

.entry.is-out .swatch {
  opacity: 0.35;
}

.entry.is-winner {
  border-color: var(--good);
}

/* --- wheel -------------------------------------------------------------- */

.wheel-frame {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  /* Leaves room for the pointer, which overlaps the rim by a few pixels. */
  padding-top: 10px;
}

canvas {
  display: block;
  max-width: 100%;
  touch-action: manipulation;
}

.pointer {
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -9px;
  width: 0;
  height: 0;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-top: 22px solid var(--text);
}

.banner {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.banner.is-win {
  border-color: var(--good);
  color: var(--good);
}

.banner.is-out {
  border-color: var(--danger);
  color: var(--danger);
}

.banner.is-running {
  color: var(--muted);
  font-weight: 400;
}

/* --- facts and history -------------------------------------------------- */

.facts {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin: 0;
  font-size: 14px;
}

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

.facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.history {
  margin: 0;
  padding-left: 22px;
  max-height: 280px;
  overflow-y: auto;
}

.history li {
  padding: 2px 0;
  overflow-wrap: anywhere;
}

.history li.no-marker {
  list-style: none;
  margin-left: -22px;
}

.history .muted {
  font-size: 12px;
}