:root {
  --ink: #eef3ff;
  --muted: #909bb2;
  --subtle: #68748d;
  --canvas: #070a12;
  --surface: #0d1220;
  --surface-2: #121a2b;
  --surface-3: #182238;
  --line: #27334a;
  --line-soft: rgba(135, 158, 197, 0.16);
  --cyan: #67e6d2;
  --cyan-deep: #1f9f92;
  --amber: #ffc563;
  --amber-deep: #aa6a12;
  --red: #ff7c86;
  --green: #7ee5a0;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.34);
  --card-w: clamp(76px, 8vw, 116px);
  --card-ratio: 1.397;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--canvas); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% -10%, rgba(61, 109, 142, 0.2), transparent 34rem),
    linear-gradient(180deg, #090d17 0, var(--canvas) 55%);
  font: 14px/1.45 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, select { font: inherit; }

button, select, .game-card { -webkit-tap-highlight-color: transparent; }

button:focus-visible, select:focus-visible, .game-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.poc-note {
  margin: 0;
  padding: 10px clamp(14px, 3vw, 34px);
  border-bottom: 1px solid rgba(255, 197, 99, 0.35);
  background: rgba(170, 106, 18, 0.16);
  color: var(--amber);
  font-size: 13px;
  line-height: 1.4;
}

.poc-note strong { color: #ffd88a; }

.lab-bar {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 6px clamp(14px, 3vw, 34px);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(7, 10, 18, 0.83);
}

.lab-title {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: var(--ink);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 13px;
}

.lab-title strong { color: var(--cyan); font-weight: 700; }

.grave-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.grave-row .game-card { --card-w: 54px; }

.zone-label {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stack-list {
  margin: 0;
  padding: 6px 8px 6px 24px;
  border: 1px solid rgba(255, 197, 99, 0.3);
  border-radius: 8px;
  background: rgba(170, 106, 18, 0.08);
  color: var(--amber);
  font-size: 12px;
}

.stack-list li + li { margin-top: 2px; color: var(--muted); }

.site-footer a { color: var(--cyan); }

.topbar {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 clamp(14px, 3vw, 34px);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(7, 10, 18, 0.83);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 13px;
}

.brand strong { color: var(--cyan); font-weight: 700; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--canvas);
  background: var(--cyan);
  border-radius: 7px;
  box-shadow: 0 0 24px rgba(103, 230, 210, 0.22);
}

.puzzle-picker { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; }

select {
  max-width: min(48vw, 330px);
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 7px 32px 7px 10px;
}

.app-shell {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: clamp(12px, 2vw, 24px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 360px);
  gap: clamp(12px, 2vw, 22px);
  align-items: start;
}

.table-shell, .challenge-panel {
  border: 1px solid var(--line-soft);
  background: rgba(13, 18, 32, 0.9);
  box-shadow: var(--shadow);
}

.table-shell { min-width: 0; border-radius: 12px; overflow: hidden; }
.challenge-panel { position: sticky; top: 12px; border-radius: 12px; }

.turn-strip {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
  background: rgba(5, 9, 17, 0.44);
}

.phase-line { display: flex; align-items: center; gap: 9px; min-width: 0; }
.phase-line strong { color: var(--ink); font-weight: 650; white-space: nowrap; }
.phase-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px rgba(103, 230, 210, 0.7); }
.annotation-line { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }

.game-table {
  min-height: 660px;
  display: grid;
  grid-template-rows: auto minmax(182px, 1fr) auto minmax(202px, 1fr) auto;
  background:
    linear-gradient(rgba(29, 44, 65, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 44, 65, 0.1) 1px, transparent 1px),
    radial-gradient(ellipse at center, rgba(40, 79, 81, 0.15), transparent 60%);
  background-size: 32px 32px, 32px 32px, auto;
}

.player-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 9px 13px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(5, 9, 17, 0.47);
}

.player-strip.you { border-top: 1px solid var(--line-soft); border-bottom: 0; }
.player-identity { min-width: 145px; margin-right: auto; }
.player-identity strong { display: block; font-size: 13px; }
.player-identity span { color: var(--muted); font-size: 11px; }

.stat {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  min-width: 44px;
  color: var(--muted);
  font-size: 11px;
}

.stat b { color: var(--ink); font-size: 16px; font-variant-numeric: tabular-nums; }
.stat.life b { color: var(--red); }
.stat.library b { color: var(--cyan); }

.battlefield {
  position: relative;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 17px 14px;
  overflow: hidden;
}

.battlefield.opponent { align-items: flex-start; }
.battlefield.you { align-items: flex-end; }

.empty-zone { color: var(--subtle); font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; }

.middle-zone {
  min-height: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 6px 13px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(5, 9, 17, 0.34);
}

.zone-summary { display: flex; gap: 7px; flex-wrap: wrap; }
.zone-chip {
  padding: 4px 7px;
  color: var(--muted);
  border: 1px solid var(--line-soft);
  border-radius: 5px;
  font-size: 11px;
  background: rgba(17, 26, 43, 0.72);
}

.outcome-chip { color: var(--green); border-color: rgba(126, 229, 160, 0.35); }

.game-card {
  position: relative;
  flex: 0 1 var(--card-w);
  width: var(--card-w);
  min-width: 62px;
  aspect-ratio: 1 / var(--card-ratio);
  padding: 0;
  border: 0;
  border-radius: 5.5% / 4%;
  color: var(--ink);
  background: #171c28;
  box-shadow: 0 7px 17px rgba(0, 0, 0, 0.38);
  overflow: visible;
  cursor: pointer;
  transform-origin: center;
  transition: transform 180ms ease, filter 180ms ease, opacity 180ms ease;
}

.game-card:hover { transform: translateY(-5px); z-index: 4; }
.game-card.is-tapped { transform: rotate(8deg); }
.game-card.is-tapped:hover { transform: rotate(8deg) translateY(-4px); }
.game-card.is-focused { filter: drop-shadow(0 0 10px rgba(103, 230, 210, 0.85)); z-index: 3; }
.game-card.is-new { animation: card-arrive 460ms cubic-bezier(.2,.8,.2,1); }
.game-card.has-action::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid rgba(103, 230, 210, 0.58);
  border-radius: 7% / 5%;
  pointer-events: none;
}
.game-card.is-selected { filter: drop-shadow(0 0 12px rgba(103, 230, 210, 0.88)); z-index: 4; }
.game-card.is-eligible { filter: drop-shadow(0 0 12px rgba(255, 197, 99, 0.78)); }
.game-card.is-targeted::after { border: 3px solid var(--amber); }

.card-image, .card-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit;
}

.card-image { display: block; object-fit: cover; background: var(--surface-3); }

.card-fallback {
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 8px;
  text-align: left;
  border: 1px solid rgba(172, 194, 224, 0.35);
  background:
    radial-gradient(circle at 75% 22%, rgba(103, 230, 210, 0.2), transparent 32%),
    linear-gradient(145deg, #26334c, #111725 66%);
}

.card-fallback strong { font-size: clamp(9px, 1vw, 12px); line-height: 1.15; }
.fallback-glyph { place-self: center; color: var(--cyan); font-size: 24px; opacity: 0.75; }
.fallback-note { color: var(--muted); font-size: 9px; }
.card-image:not([src]) { display: none; }

.pt-badge, .quantity-badge, .counter-badge, .attachment-badge {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(255,255,255,0.19);
  background: rgba(5, 8, 14, 0.9);
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

.pt-badge { right: 4px; bottom: 4px; padding: 2px 5px; border-radius: 5px; font-size: 10px; font-weight: 700; }
.quantity-badge { left: -5px; top: -5px; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: var(--cyan); font-weight: 700; }
.counter-badge { right: -5px; top: -5px; padding: 2px 5px; border-radius: 5px; color: var(--amber); font-size: 9px; }
.attachment-badge { left: 4px; bottom: 4px; padding: 2px 4px; border-radius: 4px; color: var(--cyan); font-size: 9px; }

.hand-row { display: flex; gap: 6px; align-items: center; }
.hand-row .game-card { --card-w: 54px; }
.card-back {
  width: 38px;
  aspect-ratio: 1 / var(--card-ratio);
  border: 1px solid #44526c;
  border-radius: 4px;
  background: radial-gradient(circle, #a56831 0 12%, #15253a 13% 33%, #080a10 34% 38%, #934f26 39% 48%, #171d28 49%);
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
}

.card-detail {
  max-width: 48%;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-detail strong { color: var(--ink); }

.resource-pile {
  align-self: center;
  display: grid;
  grid-template-columns: 1fr auto;
  width: min(150px, 18vw);
  min-width: 92px;
  min-height: 74px;
  padding: 10px;
  text-align: left;
  background: linear-gradient(145deg, #172337, #0b101c);
}
.resource-pile span { font-weight: 700; }
.resource-pile strong { color: var(--cyan); font-size: 22px; }
.resource-pile small { grid-column: 1 / -1; color: var(--muted); font-size: 9px; }
.resource-pile.is-selected { border-color: var(--cyan); }
.resource-pile.is-eligible { border-color: var(--amber); box-shadow: 0 0 12px rgba(255, 197, 99, 0.5); }
.resource-pile.is-targeted { border: 2px solid var(--amber); }
.draft-earlier { margin: 4px 0; color: var(--muted); font-size: 12px; }
.draft-earlier small { display: block; color: var(--subtle); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; }
.source-dots { grid-column: 1 / -1; display: flex; gap: 3px; margin-top: 5px; }
.source-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-deep); }
.source-dots i.tapped { background: var(--line); box-shadow: inset 0 0 0 1px var(--subtle); }

.challenge-head { padding: 18px 18px 14px; border-bottom: 1px solid var(--line-soft); }
.eyebrow { display: block; color: var(--cyan); font-size: 10px; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; }
.challenge-head h1 { margin: 5px 0 6px; font-size: clamp(20px, 2vw, 27px); line-height: 1.15; }
.challenge-head p { margin: 0; color: var(--muted); }

.difficulty-line { display: flex; align-items: center; gap: 8px; margin-top: 13px; }
.difficulty-badge { padding: 4px 7px; border: 1px solid rgba(255, 197, 99, 0.36); border-radius: 5px; color: var(--amber); background: rgba(170, 106, 18, 0.09); font-size: 11px; font-weight: 700; }
.level-pips { display: flex; gap: 4px; }
.level-pips i { width: 14px; height: 3px; border-radius: 3px; background: var(--line); }
.level-pips i.on { background: var(--amber); }

.axis-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 12px; margin-top: 13px; }
.axis { display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 6px; color: var(--muted); font-size: 10px; text-transform: capitalize; }
.axis-track { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.axis-track i { height: 3px; background: var(--line); border-radius: 2px; }
.axis-track i.on { background: var(--cyan-deep); }

.challenge-body { padding: 16px 18px 18px; }
.challenge-body h2 { margin: 0 0 10px; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.assumptions { margin: 0 0 16px; padding-left: 17px; color: var(--muted); font-size: 12px; }
.assumptions li + li { margin-top: 4px; }

button {
  min-height: 36px;
  padding: 7px 11px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-2);
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}
button:hover:not(:disabled) { border-color: #50627e; background: var(--surface-3); }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { cursor: default; opacity: 0.45; }
.primary-button { color: #041310; border-color: var(--cyan); background: var(--cyan); font-weight: 750; }
.primary-button:hover:not(:disabled) { color: #041310; border-color: #9af4e5; background: #9af4e5; }
.icon-button { width: 38px; padding-inline: 0; }

.feedback {
  margin-top: 12px;
  padding: 10px 11px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  background: rgba(135, 158, 197, 0.05);
}
.feedback.good { border-left-color: var(--green); background: rgba(126, 229, 160, 0.05); }
.feedback.warning { border-left-color: var(--amber); background: rgba(255, 197, 99, 0.05); }
.feedback.bad { border-left-color: var(--red); background: rgba(255, 124, 134, 0.05); }
.feedback strong { display: block; margin-bottom: 2px; color: var(--ink); }

.solution-summary { margin-top: 14px; color: var(--muted); font-size: 12px; }

.score-strip {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 13px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 11px;
}
.score-strip b { color: var(--cyan); font-size: 15px; }
.conditions { margin-top: 12px; color: var(--muted); font-size: 11px; }
.conditions summary { width: max-content; cursor: pointer; color: var(--ink); }
.conditions ul { margin: 8px 0 0; padding-left: 18px; }
.conditions li + li { margin-top: 4px; }
.node-prompt, .selected-object, .draft-panel { margin-bottom: 16px; }
.node-prompt { padding: 11px; border: 1px solid var(--line-soft); border-radius: 8px; background: rgba(7, 10, 18, 0.36); }
.node-prompt.branch { border-color: rgba(255, 197, 99, 0.38); }
.node-prompt p, .selected-object p, .draft-panel p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.selected-object strong { display: block; margin-top: 4px; }
.legal-actions { display: grid; gap: 8px; }
.legal-actions h2 { margin-bottom: 2px; }
.action-button { width: 100%; min-height: 48px; display: flex; justify-content: space-between; align-items: center; gap: 10px; text-align: left; }
.action-button small { color: var(--cyan); text-transform: uppercase; letter-spacing: .09em; font-size: 8px; }
.no-actions { margin: 0; padding: 10px; color: var(--subtle); border: 1px dashed var(--line); border-radius: 7px; font-size: 11px; }
.active-step { margin-top: 12px; color: var(--amber); }
.draft-selection { min-height: 38px; margin: 10px 0; padding: 8px; color: var(--muted); border: 1px dashed var(--line); border-radius: 7px; }
.draft-selection span { display: inline-block; margin: 2px 4px 2px 0; padding: 3px 6px; color: var(--ink); background: var(--surface-3); border-radius: 5px; }
.draft-panel > .primary-button { width: 100%; margin-top: 10px; }
.payment-methods { display: grid; gap: 6px; margin-top: 10px; }
.payment-method.selected, .mana-source.selected { color: var(--cyan); border-color: var(--cyan); background: rgba(103, 230, 210, .08); }
.mana-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin-top: 10px; }
.mana-source { min-width: 0; text-align: left; }
.mana-source strong, .mana-source span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mana-source span { color: var(--muted); font-size: 10px; }
.payment-count { font-variant-numeric: tabular-nums; }

.table-controls {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 54px;
  padding: 8px 12px;
  border-top: 1px solid var(--line-soft);
  background: #0a0f1b;
}
.table-controls button.selected { color: var(--cyan); border-color: var(--cyan); }
.table-controls button small { color: var(--muted); }
.table-status { min-width: 0; margin-right: auto; color: var(--muted); font-size: 11px; }

.final-score { display: flex; align-items: center; gap: 12px; margin: 9px 0; }
.final-score > strong { color: var(--cyan); font-size: 44px; line-height: 1; }
.final-score span { font-weight: 700; }
.final-score small { display: block; color: var(--muted); font-weight: 400; }
.completion > p { color: var(--muted); }
.solution-line { display: grid; gap: 8px; padding: 0; list-style: none; }
.solution-line li { display: grid; grid-template-columns: 24px 1fr; gap: 7px; }
.solution-line li > b { color: var(--cyan); }
.solution-line strong, .solution-line span { display: block; }
.solution-line span { color: var(--muted); font-size: 11px; }
.solution-line strong { color: var(--ink); font-size: 12px; }

.site-footer { padding: 3px 18px 18px; color: var(--subtle); text-align: center; font-size: 11px; }
.loading-state { display: flex; align-items: center; gap: 9px; padding: 22px; color: var(--muted); }
.spinner { width: 16px; height: 16px; border: 2px solid var(--line); border-top-color: var(--cyan); border-radius: 50%; animation: spin 700ms linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes card-arrive { from { opacity: 0; transform: translateY(-18px) scale(0.96); } }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .challenge-panel { position: static; grid-row: 1; }
  .game-table { min-height: 590px; }
}

@media (max-width: 680px) {
  :root { --card-w: clamp(67px, 19vw, 92px); }
  .topbar { height: auto; min-height: 58px; flex-wrap: wrap; padding-block: 9px; }
  .puzzle-picker { flex: 1 1 100%; }
  .puzzle-picker select { flex: 1; max-width: none; }
  .app-shell { padding: 8px; }
  .challenge-body { display: block; }
  .challenge-panel, .table-shell { border-radius: 9px; }
  .axis-grid { grid-template-columns: repeat(2, 1fr); }
  .game-table { min-height: 520px; grid-template-rows: auto minmax(150px, 1fr) auto minmax(172px, 1fr) auto; }
  .player-strip { gap: 8px; padding: 7px 9px; overflow-x: auto; }
  .player-identity { min-width: 115px; }
  .stat { min-width: 38px; }
  .battlefield { justify-content: flex-start; overflow-x: auto; padding-inline: 10px; }
  .battlefield:has(.empty-zone) { justify-content: center; }
  .annotation-line { display: none; }
  .card-detail { display: none; }
  .hand-row .game-card { --card-w: 46px; }
  .table-controls { flex-wrap: wrap; }
  .table-status { order: -1; flex: 1 1 100%; }
  .table-controls button { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.001ms !important; }
}