:root {
  --ink: #0a0a12;
  --panel: #1b1b2e;
  --panel-2: #24243c;
  --panel-3: #32324f;
  --fg: #e9e6ff;
  --fg-dim: #9a97c2;
  --yellow: #ffd23f;
  --pink: #ff5da2;
  --cyan: #4cd4ff;
  --green: #5fd75f;
  --red: #ff5555;
  --orange: #ffa657;
  --radius: 0px;
  --mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Consolas, monospace;
  --pixel: 'Press Start 2P', var(--mono);
  --sans: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  --shadow-off: 4px;
}

* { box-sizing: border-box; image-rendering: pixelated; }

html, body { height: 100%; margin: 0; }

body {
  min-height: 100vh;
  color: var(--fg);
  font-family: var(--sans);
  display: flex;
  justify-content: center;
  padding: 14px 16px;
  overflow-y: auto;
  background:
    repeating-linear-gradient(rgba(0,0,0,.18) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at top, #232347, #0f0f1e 72%);
}

#app {
  width: 100%;
  max-width: 1400px;
  height: calc(100vh - 28px);
  max-height: calc(100vh - 28px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---------- pixel button primitive ---------- */

.btn, .icon-btn, .theme-badge, .cat-card, .theme-card {
  border-radius: var(--radius);
}

.btn {
  border: 3px solid var(--ink);
  padding: 12px 16px;
  font-family: var(--pixel);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  cursor: pointer;
  color: var(--ink);
  background: var(--fg);
  box-shadow: var(--shadow-off) var(--shadow-off) 0 var(--ink);
  transition: transform .08s ease, box-shadow .08s ease, filter .1s ease;
}
.btn:hover:not(:disabled) { filter: brightness(1.08); transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.btn:active:not(:disabled) { transform: translate(var(--shadow-off), var(--shadow-off)); box-shadow: 0 0 0 var(--ink); }
.btn:disabled { opacity: .4; cursor: not-allowed; box-shadow: 2px 2px 0 var(--ink); }
.btn.small { padding: 7px 10px; font-size: 9px; box-shadow: 2px 2px 0 var(--ink); }
.btn.ghost { background: var(--panel-2); color: var(--fg); }
.btn.primary { background: var(--cyan); }
.btn.reveal { background: linear-gradient(90deg, var(--yellow), var(--orange)); }
.btn.reveal:not(:disabled) { animation: revealPulse 1.6s steps(2) infinite; }
.btn.big { padding: 16px 22px; font-size: 13px; }
.btn.danger { background: var(--red); color: var(--ink); }
.btn.danger.armed { background: var(--yellow); }
@keyframes revealPulse {
  0%, 100% { box-shadow: var(--shadow-off) var(--shadow-off) 0 var(--ink), 0 0 0 0 rgba(255,210,63,.6); }
  50% { box-shadow: var(--shadow-off) var(--shadow-off) 0 var(--ink), 0 0 0 6px rgba(255,210,63,0); }
}

/* ---------- topbar ---------- */

.topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-swatches { display: flex; gap: 3px; }
.brand-swatches i {
  display: block; width: 8px; height: 20px;
  border: 2px solid var(--ink);
}
.brand h1 {
  font-family: var(--pixel);
  font-size: 15px;
  margin: 0;
  color: var(--fg);
  text-shadow: 2px 2px 0 var(--ink);
}
.brand h1 span { color: var(--yellow); }

.theme-badge {
  margin-left: auto;
  font-family: var(--pixel);
  font-size: 9px;
  color: var(--fg);
  background: var(--panel-2);
  border: 3px solid var(--ink);
  padding: 8px 12px;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .08s ease;
}
.theme-badge:hover { transform: translate(-1px, -1px); }
.theme-badge strong { color: var(--orange); }

.topbar-actions { display: flex; gap: 8px; flex-shrink: 0; }

.icon-btn {
  width: 38px; height: 38px;
  border: 3px solid var(--ink);
  background: var(--panel-2);
  color: var(--fg);
  cursor: pointer;
  font-size: 15px;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .08s ease;
}
.icon-btn:hover { transform: translate(-1px, -1px); }

.solo-timer-hud {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--pixel);
  font-size: 9px;
  color: var(--fg);
  background: var(--panel-2);
  border: 3px solid var(--ink);
  padding: 8px 12px;
  box-shadow: 3px 3px 0 var(--ink);
}
.solo-timer-hud.hidden { display: none; }
.solo-timer-badge { color: var(--cyan); }

/* ---------- progress ---------- */

.progress-wrap {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.progress-track {
  flex: 1;
  height: 16px;
  background: var(--panel-2);
  border: 3px solid var(--ink);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: repeating-linear-gradient(90deg, var(--green) 0 8px, #4bc44b 8px 16px);
  transition: width .5s steps(12);
}
#progress-label { font-family: var(--pixel); font-size: 9px; color: var(--fg-dim); white-space: nowrap; }

/* ---------- match timer HUD (#11: countdown + time warning) ---------- */
/* A second, visually distinct progress bar from .progress-wrap above —
 * that one tracks "N/12 token kinds themed"; this one tracks time
 * remaining in the round, alongside the quit button. Built by
 * game/timerHud.ts / game/multiplayerMatch.ts into the empty
 * #match-timer-hud / #match-quit-btn / #match-timer-warning mounts in
 * index.html. Hidden by default: not mounted into any live view until a
 * later ticket. */
.match-timer-hud {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--pixel);
  font-size: 9px;
  color: var(--fg);
  background: var(--panel-2);
  border: 3px solid var(--ink);
  padding: 8px 12px;
  box-shadow: 3px 3px 0 var(--ink);
}
#match-timer-hud.hidden { display: none; }
.match-hud-row { display: flex; align-items: center; gap: 10px; }
#match-quit-btn.hidden { display: none; }
.match-timer-badge { color: var(--yellow); flex-shrink: 0; white-space: nowrap; }
.match-timer-track {
  flex: 1;
  min-width: 80px;
  height: 12px;
  background: var(--panel-3);
  border: 2px solid var(--ink);
  overflow: hidden;
}
.match-timer-fill {
  height: 100%;
  width: 100%;
  background: var(--cyan);
  transition: width .3s linear, background-color .3s linear;
}
.match-timer-clock { flex-shrink: 0; white-space: nowrap; color: var(--fg-dim); }
.match-timer-hud--elapsed .match-timer-clock { color: var(--fg); }

.match-timer-warning-toast {
  position: fixed;
  top: 68px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 80;
  pointer-events: none;
  font-family: var(--pixel);
  font-size: 10px;
  color: var(--ink);
  background: var(--yellow);
  border: 3px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  padding: 8px 14px;
  animation: modalIn .2s steps(4);
}
#match-timer-warning.hidden { display: none; }

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

.board {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  gap: 14px;
}

.canvas-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
  background: var(--panel);
  border: 3px solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  padding: 6px;
  overflow: auto;
}

#code-canvas {
  display: block;
  cursor: default;
}

.panel-col {
  width: 330px;
  flex: 0 0 330px;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.panel {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-content: start;
  padding: 2px 6px 2px 2px;
}

.panel-actions {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.panel-actions .btn { width: 100%; }

/* ---------- split view (in-match opponent progress pane) ---------- */

.split-view {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  gap: 14px;
}
.split-view.hidden { display: none; }

.split-pane {
  flex: 1 1 0;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.split-pane-label {
  font-family: var(--pixel);
  font-size: 10px;
  letter-spacing: .5px;
  color: var(--fg-dim);
  flex: 0 0 auto;
}

.split-canvas-wrap {
  flex: 1 1 auto;
}

.split-canvas { display: block; }

.cat-card {
  background: var(--panel-2);
  border: 3px solid var(--ink);
  padding: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .08s ease, box-shadow .08s ease;
  position: relative;
  min-width: 0;
}
.cat-card:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.cat-card.active {
  border-color: var(--yellow);
  box-shadow: 3px 3px 0 var(--yellow);
}
.cat-card.assigned::after {
  content: '✓';
  position: absolute;
  top: 2px; right: 4px;
  font-size: 9px;
  color: var(--green);
  font-family: var(--pixel);
}

.cat-swatch {
  width: 24px; height: 24px;
  border: 2px solid var(--ink);
  flex-shrink: 0;
  background: repeating-conic-gradient(#4b4540 0% 25%, #302f2a 0% 50%) 0 0/8px 8px;
  transition: transform .15s ease;
}
.cat-swatch.pop { animation: pop .4s steps(4); }
@keyframes pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.cat-info { min-width: 0; }
.cat-label {
  font-size: 8px;
  line-height: 1.5;
  font-family: var(--pixel);
  color: var(--fg);
  white-space: normal;
  display: block;
  margin-bottom: 4px;
}
.cat-count { font-size: 10px; color: var(--fg-dim); }

/* ---------- popover ---------- */

.popover {
  position: fixed;
  z-index: 50;
  background: var(--panel-2);
  border: 3px solid var(--ink);
  padding: 12px;
  box-shadow: 5px 5px 0 var(--ink);
  width: 220px;
  animation: popIn .15s steps(3);
}
.popover.hidden { display: none; }
@keyframes popIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.popover-label {
  font-family: var(--pixel);
  font-size: 10px;
  color: var(--yellow);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.popover-row { display: flex; gap: 8px; margin-bottom: 10px; }
.popover-row input[type="color"] {
  width: 40px; height: 34px;
  border: 2px solid var(--ink);
  background: none; cursor: pointer;
  padding: 0;
}
.popover-row input[type="text"] {
  flex: 1;
  min-width: 0;
  background: var(--panel);
  border: 2px solid var(--ink);
  color: var(--fg);
  font-family: var(--mono);
  padding: 0 8px;
  font-size: 13px;
}
.popover-actions { display: flex; justify-content: flex-end; gap: 6px; }

/* ---------- modals ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,6,14,.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--panel);
  border: 4px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  padding: 26px 28px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  animation: modalIn .2s steps(4);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(.9) translateY(14px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal h2 {
  margin-top: 0;
  font-family: var(--pixel);
  font-size: 16px;
  text-shadow: 2px 2px 0 var(--ink);
  color: var(--yellow);
}
.modal ol { padding-left: 20px; line-height: 1.7; color: var(--fg-dim); font-size: 13px; }
.modal p { color: var(--fg-dim); font-size: 13px; }
.pick-theme-label {
  font-family: var(--pixel);
  font-size: 9px;
  color: var(--cyan);
  text-align: center;
  margin: 18px 0 10px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.theme-card {
  background: var(--card-bg, var(--panel-2));
  border: 3px solid var(--ink);
  padding: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .08s ease;
}
.theme-card:hover { transform: translate(-1px, -1px); }
.theme-card.selected { border-color: var(--yellow); box-shadow: 3px 3px 0 var(--yellow); }
.theme-swatches { display: flex; gap: 3px; }
.theme-swatches i { width: 12px; height: 12px; border: 1px solid rgba(0,0,0,.5); display: block; }
.theme-name {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--fg);
  text-shadow: 1px 1px 0 var(--ink);
  text-align: center;
}

/* ---------- main menu (Solo / Private / Matchmaking) ---------- */

.menu-modal { max-width: 760px; }

.menu-sections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 18px 0 4px;
}

.menu-section {
  background: var(--panel-2);
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.menu-section h3 {
  margin: 0;
  font-family: var(--pixel);
  font-size: 11px;
  text-shadow: 1px 1px 0 var(--ink);
}

#menu-solo h3 { color: var(--cyan); }
#menu-private h3 { color: var(--pink); }
#menu-matchmaking h3 { color: var(--green); }

.menu-section-desc { margin: 0; font-size: 11px; line-height: 1.5; color: var(--fg-dim); }

.menu-section-actions { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.menu-section-actions .btn { width: 100%; }

/* Standalone matchmaking-ban countdown banner (frontend/src/ui/banBanner.ts).
 * Not mounted anywhere yet — ready for ticket #14 to mount into
 * #menu-matchmaking once queue:banned is wired up. */
.ban-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--pixel);
  font-size: 10px;
  color: var(--ink);
  background: var(--orange);
  border: 3px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  padding: 8px 10px;
}
.ban-banner-icon { flex-shrink: 0; }

#menu-solo .theme-grid { margin-bottom: 0; }

.solo-config-group { display: flex; flex-direction: column; gap: 6px; }
.solo-config-label { margin: 0; font-family: var(--pixel); font-size: 9px; color: var(--fg-dim); letter-spacing: .5px; }
.solo-radio-row { display: flex; gap: 6px; flex-wrap: wrap; }
.solo-radio {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex: 1 1 auto;
  background: var(--panel);
  border: 2px solid var(--ink);
  padding: 6px 8px;
  font-size: 10px;
  color: var(--fg-dim);
  cursor: pointer;
}
.solo-radio:has(input:checked) { background: var(--panel-3); color: var(--fg); border-color: var(--yellow); }
.solo-radio input { accent-color: var(--yellow); margin: 0; }

#solo-theme-picker.hidden, #solo-bot-difficulty.hidden { display: none; }

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

/* ---------- theme preview countdown ---------- */

.preview-box {
  background: var(--panel);
  border: 4px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  padding: 26px 30px;
  max-width: 92vw;
  text-align: center;
  animation: modalIn .2s steps(4);
}
.preview-countdown {
  font-family: var(--pixel);
  font-size: 56px;
  line-height: 1;
  color: var(--yellow);
  text-shadow: 4px 4px 0 var(--ink);
  margin-bottom: 10px;
}
.preview-countdown.tick { animation: countdownPulse .45s steps(6); }
@keyframes countdownPulse {
  0% { transform: scale(1.7); color: var(--pink); }
  100% { transform: scale(1); color: var(--yellow); }
}
.preview-caption {
  font-family: var(--pixel);
  font-size: 10px;
  color: var(--cyan);
  margin-bottom: 18px;
  letter-spacing: .05em;
}
.preview-canvas-wrap {
  display: inline-block;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 4px;
  max-width: 100%;
  max-height: 60vh;
  overflow: auto;
}
#preview-canvas { display: block; }

/* ---------- score meter ---------- */

.score-meter-wrap { text-align: center; margin: 10px 0 4px; }
.score-meter-number {
  font-family: var(--pixel);
  font-size: 34px;
  color: var(--yellow);
  text-shadow: 3px 3px 0 var(--ink);
  margin-bottom: 10px;
}
.score-meter-track {
  display: flex;
  gap: 3px;
  justify-content: center;
  flex-wrap: wrap;
}
.meter-block {
  width: 14px; height: 20px;
  background: var(--panel-2);
  border: 2px solid var(--ink);
}
.meter-block.lit { background: var(--lit-color, var(--green)); }

.verdict {
  text-align: center;
  font-family: var(--pixel);
  font-size: 12px;
  margin-bottom: 16px;
  min-height: 16px;
  color: var(--fg);
}

.breakdown { display: flex; flex-direction: column; gap: 7px; max-height: 240px; overflow-y: auto; padding-right: 4px; }
.breakdown-row {
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: rowIn .3s steps(4) forwards;
}
@keyframes rowIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}
.swatch-pair { display: flex; flex-shrink: 0; }
.swatch-pair span { width: 14px; height: 14px; display: block; border: 2px solid var(--ink); }
.swatch-pair span + span { margin-left: 2px; }
.breakdown-info { flex: 1; min-width: 0; }
.breakdown-label { font-size: 10px; color: var(--fg-dim); margin-bottom: 3px; }
.breakdown-bar { height: 6px; background: var(--panel-2); border: 1px solid var(--ink); overflow: hidden; }
.breakdown-bar-fill { height: 100%; width: 0%; transition: width .6s steps(10); }
.breakdown-pct { font-size: 11px; font-weight: 700; width: 34px; text-align: right; color: var(--fg); }

.compare-toggle {
  display: flex;
  margin: 16px 0 6px;
  background: var(--panel-2);
  border: 2px solid var(--ink);
  padding: 3px;
  gap: 3px;
}
.toggle-btn {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--fg-dim);
  padding: 8px 6px;
  font-family: var(--pixel);
  font-size: 8px;
  cursor: pointer;
}
.toggle-btn.active { background: var(--panel-3); color: var(--fg); }

/* ---------- multiplayer scoreboard (#12: two-column round reveal) ---------- */

.mp-scoreboard.hidden { display: none; }

.mp-winner-banner {
  text-align: center;
  font-family: var(--pixel);
  font-size: 13px;
  padding: 10px;
  margin-bottom: 14px;
  border: 3px solid var(--ink);
  background: var(--panel-2);
  color: var(--fg);
}
.mp-winner-banner.mp-winner-you { background: var(--green); color: var(--ink); }
.mp-winner-banner.mp-winner-opponent { background: var(--red); color: var(--ink); }
.mp-winner-banner.mp-draw { background: var(--yellow); color: var(--ink); }

.mp-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.mp-column {
  border: 3px solid var(--ink);
  background: var(--panel-2);
  padding: 12px 10px;
  min-width: 0;
}
.mp-column-label {
  text-align: center;
  font-family: var(--pixel);
  font-size: 10px;
  color: var(--fg-dim);
  margin-bottom: 8px;
  letter-spacing: .5px;
}
.mp-column .score-meter-number { font-size: 20px; }
.mp-column .score-meter-track { gap: 2px; }
.mp-column .meter-block { width: 8px; height: 14px; }
.mp-column .breakdown { max-height: 200px; }

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

.modal-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.modal-actions .btn { flex: 1 1 auto; min-width: 110px; }

@media (max-width: 900px) {
  body { height: auto; overflow-y: auto; }
  #app { height: auto; max-height: none; }
  .board { flex-direction: column; }
  .canvas-wrap { max-height: 60vh; }
  .panel-col { width: 100%; flex: 0 0 auto; }
  .panel { grid-template-columns: repeat(3, 1fr); max-height: 40vh; }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
}