:root {
  color-scheme: dark;
  --page: #0d0a1f;
  --ink: #f5f1ff;
  --muted: #9d94cf;
  --line: rgba(146, 122, 255, 0.30);
  --panel: #1c1440;
  --board: #171038;
  --empty: #292057;
  --accent: #22d3ee;
  --accent-2: #ff2d95;
  --gold: #ffd23f;
  --danger: #ff4d6d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 12% -6%, rgba(255, 45, 149, 0.22), transparent 60%),
    radial-gradient(900px 520px at 88% 4%, rgba(34, 211, 238, 0.18), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(123, 45, 255, 0.24), transparent 65%),
    var(--page);
  background-attachment: fixed;
}

button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  color: var(--ink);
  background: linear-gradient(180deg, #251b52, #1a1240);
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

input,
select {
  min-height: 42px;
  width: min(210px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #140e33;
  font: inherit;
  font-weight: 700;
}

input:focus,
select:focus {
  border-color: var(--accent);
  outline: 2px solid rgba(34, 211, 238, 0.28);
}

button:hover:not(:disabled) {
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.45), inset 0 0 10px rgba(34, 211, 238, 0.10);
  transform: translateY(-1px);
}

button:active:not(:disabled) {
  transform: translateY(0);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto auto auto auto auto auto;
  align-items: center;
  width: min(720px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0;
  gap: 18px;
}

.suggestion {
  display: grid;
  grid-template-columns: minmax(116px, auto) 1fr auto;
  align-items: center;
  width: 100%;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.10), rgba(28, 20, 64, 0.6));
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.12);
}

.ranking {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ranking li {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  background: rgba(20, 14, 51, 0.75);
}

.ranking li:first-child {
  border-color: rgba(255, 210, 63, 0.55);
  box-shadow: 0 0 12px rgba(255, 210, 63, 0.18);
}

.ranking strong,
.ranking span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ranking strong {
  color: var(--ink);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.ranking span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.suggestion span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.suggestion strong {
  display: block;
  margin-top: 2px;
  color: var(--accent);
  font-size: 2rem;
  line-height: 1;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(34, 211, 238, 0.65);
}

.suggestion p {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.suggestion p.warn {
  color: var(--danger);
}

.context-controls {
  display: grid;
  grid-template-columns: auto minmax(130px, 1fr) auto;
  align-items: center;
  width: 100%;
  gap: 10px;
}

.context-controls label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.context-controls input {
  width: 100%;
}

.context-controls.is-hidden {
  display: none;
}

.getting-started {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(28, 20, 64, 0.55);
}

.getting-started-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 6px;
}

.getting-started-header h2 {
  margin: 0;
}

.getting-started h2 {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.getting-started p {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  font-weight: 600;
  line-height: 1.5;
}

.getting-started p.warning {
  color: var(--danger);
  font-weight: 800;
  text-shadow: 0 0 12px rgba(255, 77, 109, 0.35);
}

.hud {
  display: flex;
  align-items: end;
  justify-content: space-between;
  width: 100%;
  gap: 18px;
}

.label,
.stats span {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 2px 0 0;
  font-size: clamp(2rem, 7vw, 4.2rem);
  font-weight: 900;
  line-height: 0.95;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--gold), var(--accent));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: title-sweep 8s linear infinite;
}

@keyframes title-sweep {
  from { background-position: 0% 50%; }
  to { background-position: 300% 50%; }
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(76px, 1fr));
  gap: 8px;
}

.stats div {
  min-width: 76px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(28, 20, 64, 0.75);
}

.stats div:nth-child(2) {
  border-top-color: var(--accent-2);
}

.stats div:nth-child(3) {
  border-top-color: var(--gold);
}

.stats strong {
  display: block;
  margin-top: 2px;
  font-size: 1.35rem;
}

.board-shell {
  width: min(88vw, 560px);
  justify-self: center;
}

.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(8px, 2vw, 14px);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(8px, 2vw, 14px);
  background: var(--board);
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.12),
    0 0 34px rgba(123, 45, 255, 0.30),
    0 24px 60px rgba(0, 0, 0, 0.5);
  touch-action: none;
}

.cell {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  aspect-ratio: 1;
  border: 0;
  border-radius: 8px;
  padding: 0;
  color: #fff;
  background: var(--empty);
  font-size: clamp(1.35rem, 8vw, 3.6rem);
  font-weight: 900;
  line-height: 1;
  user-select: none;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.cell.occupied {
  cursor: default;
}

.cell.empty {
  cursor: pointer;
}

.cell.pending {
  outline: 4px solid var(--accent);
  outline-offset: -6px;
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.55);
}

.cell.locked::after,
.cell.pending::after {
  position: absolute;
  right: 8px;
  bottom: 7px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
  font-weight: 900;
}

.cell.locked::after {
  content: "locked";
}

.cell.pending::after {
  content: "+";
  color: var(--accent);
}

.rank-1 { background: #ffd23f; color: #3a2a00; text-shadow: none; }
.rank-2 { background: #ffa62b; color: #3a2200; text-shadow: none; }
.rank-3 { background: #ff7f11; }
.rank-4 { background: #ff4d6d; }
.rank-5 { background: #ff2d95; }
.rank-6 { background: #c724b1; }
.rank-7 { background: #7b2dff; box-shadow: 0 0 14px rgba(123, 45, 255, 0.55); }
.rank-8 { background: #3a86ff; box-shadow: 0 0 14px rgba(58, 134, 255, 0.55); }
.rank-9 { background: #22d3ee; color: #06222b; text-shadow: none; box-shadow: 0 0 16px rgba(34, 211, 238, 0.60); }
.rank-10 { background: #2ee6a8; color: #06301f; text-shadow: none; box-shadow: 0 0 16px rgba(46, 230, 168, 0.60); }
.rank-11 { background: #b8f34b; color: #263700; text-shadow: none; box-shadow: 0 0 18px rgba(184, 243, 75, 0.60); }
.rank-high {
  background: #05030f;
  color: #fff;
  box-shadow: 0 0 10px rgba(255, 45, 149, 0.8), 0 0 24px rgba(34, 211, 238, 0.6);
}

.controls {
  display: grid;
  grid-template-columns: minmax(180px, 1.2fr) auto minmax(160px, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.controls input,
.controls select {
  width: 100%;
}

.capture {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(28, 20, 64, 0.55);
}

.capture h2 {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.capture-status {
  margin: 0 0 10px;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.45;
}

.capture-status.warn {
  color: var(--danger);
}

.capture-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.capture-preview {
  display: block;
  max-width: min(100%, 320px);
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.capture-preview[hidden] {
  display: none;
}

.capture-modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(7, 4, 20, 0.78);
}

.capture-modal[hidden] {
  display: none;
}

.capture-modal-inner {
  display: grid;
  gap: 12px;
  max-width: calc(100vw - 36px);
  max-height: calc(100vh - 36px);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: var(--panel);
  box-shadow: 0 0 40px rgba(123, 45, 255, 0.35);
  overflow: auto;
}

.capture-modal-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.capture-modal-header p {
  flex: 1 1 220px;
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.capture-modal-header select {
  width: auto;
}

.capture-stage {
  position: relative;
  justify-self: center;
  line-height: 0;
  cursor: crosshair;
  touch-action: none;
}

.capture-stage img {
  display: block;
  max-width: calc(100vw - 76px);
  max-height: calc(100vh - 170px);
  user-select: none;
  -webkit-user-drag: none;
}

.capture-rect {
  position: absolute;
  pointer-events: none;
}

.capture-rect.drag {
  border: 2px solid var(--accent);
  background: rgba(34, 211, 238, 0.18);
}

.capture-rect.saved {
  border: 2px solid var(--accent-2);
  background: rgba(255, 45, 149, 0.12);
}

.hud-side {
  display: grid;
  gap: 8px;
  justify-items: end;
}

.donate-button {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-2), #7b2dff);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 0 18px rgba(255, 45, 149, 0.35);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.donate-button:hover {
  box-shadow: 0 0 26px rgba(255, 45, 149, 0.6);
  transform: translateY(-1px);
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(7, 4, 20, 0.78);
}

.video-modal[hidden] {
  display: none;
}

.video-modal-inner {
  display: grid;
  gap: 12px;
  width: min(960px, calc(100vw - 36px));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: var(--panel);
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.30);
}

.video-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.video-modal-header p {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.video-frame {
  aspect-ratio: 16 / 9;
}

.video-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 8px;
}

.status {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-weight: 700;
}

.status.warn {
  color: var(--danger);
}

@media (max-width: 620px) {
  .app {
    grid-template-rows: auto auto auto auto auto auto auto auto;
    justify-content: center;
    padding: 18px 0;
  }

  .hud {
    align-items: stretch;
    flex-direction: column;
  }

  .stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .hud-side {
    justify-items: stretch;
  }

  .donate-button {
    justify-content: center;
  }

  .board-shell {
    width: min(94vw, 520px);
  }

  .suggestion {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .ranking {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .context-controls {
    grid-template-columns: 1fr;
  }

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

}