html, body {
  height: 100%;
}

:root,
html[data-theme="light"] {
  --bg: #f6f7fb;
  --text: #0b1020;
  --muted: rgba(11,16,32,0.7);
  --card-bg: #ffffff;
  --card-border: rgba(11,16,32,0.12);
  --control-bg: #ffffff;
  --control-border: rgba(11,16,32,0.18);
  --control-text: #0b1020;
  --btn-primary-bg: #2a5bd7;
  --btn-primary-text: #ffffff;
  --btn-border: rgba(11,16,32,0.18);
  --pill-bg: rgba(11,16,32,0.06);
  --pill-border: rgba(11,16,32,0.14);
  --panel-bg: rgba(11,16,32,0.03);
  --panel-border: rgba(11,16,32,0.10);
  --modal-bg: rgba(0,0,0,0.55);
  --modal-box-bg: #ffffff;
  --choice-bg: #eef2ff;
  --score-bg: rgba(11,16,32,0.03);
  --score-border: rgba(11,16,32,0.08);
}

html[data-theme="dark"] {
  --bg: #0b1020;
  --text: #e7eaf3;
  --muted: rgba(231,234,243,0.7);
  --card-bg: #121a33;
  --card-border: rgba(255,255,255,0.08);
  --control-bg: #0b1020;
  --control-border: rgba(255,255,255,0.14);
  --control-text: #e7eaf3;
  --btn-primary-bg: #2a5bd7;
  --btn-primary-text: #ffffff;
  --btn-border: rgba(255,255,255,0.14);
  --pill-bg: rgba(255,255,255,0.06);
  --pill-border: rgba(255,255,255,0.10);
  --panel-bg: rgba(255,255,255,0.04);
  --panel-border: rgba(255,255,255,0.08);
  --modal-bg: rgba(0,0,0,0.55);
  --modal-box-bg: #121a33;
  --choice-bg: #1a2a57;
  --score-bg: rgba(255,255,255,0.04);
  --score-border: rgba(255,255,255,0.06);
}

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

a { color: inherit; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 16px;
}

.row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
}

@media (max-width: 900px) {
  .row { grid-template-columns: 1fr; }
}

.title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.title h1, .title h2 {
  margin: 0;
  font-size: 20px;
}

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

input, select, button {
  font: inherit;
}

input[type="text"], select {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--control-border);
  background: var(--control-bg);
  color: var(--control-text);
  outline: none;
}

button {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--btn-border);
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  cursor: pointer;
}

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

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 650px) {
  .grid2 { grid-template-columns: 1fr; }
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

.toolbar label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.canvasWrap {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  background: #fff;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
}

.panel {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 10px;
  height: 640px;
}

.chatLog {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px;
  overflow: auto;
}

.chatItem {
  margin: 0 0 8px 0;
  line-height: 1.25;
  font-size: 14px;
}

.chatItem .name {
  color: var(--muted);
  margin-right: 6px;
}

.chatItem.system .name {
  color: var(--muted);
}

.scoreboard {
  display: grid;
  gap: 6px;
}

.scoreRow {
  display: flex;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--score-bg);
  border: 1px solid var(--score-border);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  font-size: 13px;
}

.modal {
  position: fixed;
  inset: 0;
  background: var(--modal-bg);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal.show { display: flex; }

.modal .box {
  width: min(520px, 100%);
  background: var(--modal-box-bg);
  border: 1px solid var(--btn-border);
  border-radius: 14px;
  padding: 16px;
}

.choices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 12px;
}

.choices button {
  width: 100%;
  background: var(--choice-bg);
  color: var(--text);
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.colorPalette {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.colorSwatch {
  width: 22px;
  height: 22px;
  padding: 0;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.25);
  box-sizing: border-box;
}

.colorSwatch.selected {
  outline: 2px solid rgba(255,255,255,0.9);
  outline-offset: 1px;
}