:root {
  color-scheme: light;
  --page: #f5f8f2;
  --ink: #172029;
  --muted: #66717c;
  --panel: #ffffff;
  --panel-soft: #f0f4f7;
  --line: #d7e0e6;
  --night: #1f2a36;
  --night-2: #293747;
  --coral: #f16b4f;
  --coral-dark: #c84c38;
  --gold: #f4c84f;
  --green: #208d67;
  --green-soft: #7ad66f;
  --sky: #86d8ee;
  --focus: #315cff;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(245, 248, 242, 0.92)),
    linear-gradient(135deg, #e6f5f9 0%, #f7f1df 42%, #eef5eb 100%);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
canvas:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  min-height: 100svh;
  margin: 0 auto;
  padding: 24px 0;
  display: grid;
  grid-template-columns: minmax(320px, 560px) minmax(260px, 340px);
  align-items: start;
  justify-content: center;
  gap: 20px;
}

.game-panel,
.leaderboard-panel {
  border: 1px solid rgba(31, 42, 54, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 20px 60px rgba(31, 42, 54, 0.12);
}

.game-panel {
  overflow: hidden;
}

.topbar,
.leaderboard-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
}

.brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 2px solid rgba(31, 42, 54, 0.22);
  border-radius: 8px;
  background:
    radial-gradient(circle at 66% 35%, #172029 0 4px, transparent 5px),
    radial-gradient(circle at 42% 58%, var(--gold) 0 13px, transparent 14px),
    linear-gradient(135deg, var(--coral), #f8a45f);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1rem;
  line-height: 1.15;
  letter-spacing: 0;
}

.brand p,
.overlay-copy,
.leaderboard-list span,
.score-label {
  color: var(--muted);
}

.brand p {
  margin-top: 2px;
  font-size: 0.82rem;
}

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

.tool-button,
.primary-button,
.secondary-button,
.text-button {
  min-height: 38px;
  border-radius: 7px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: 0;
}

.tool-button {
  padding: 0 12px;
  color: #ffffff;
  background: var(--night);
}

.tool-button[disabled] {
  cursor: not-allowed;
  opacity: 0.42;
}

.tool-button[aria-pressed="true"] {
  background: var(--coral-dark);
}

.canvas-shell {
  position: relative;
  width: min(100%, 560px);
  margin: 0 auto;
  aspect-ratio: 432 / 640;
  background: var(--sky);
  border-top: 1px solid rgba(31, 42, 54, 0.1);
}

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

.score-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  min-width: 82px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
  color: #ffffff;
  background: rgba(31, 42, 54, 0.5);
  backdrop-filter: blur(12px);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.24);
}

.score-label {
  display: block;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.score-badge strong {
  display: block;
  margin-top: 3px;
  font-size: 2rem;
  line-height: 0.95;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(31, 42, 54, 0.28);
}

.overlay[hidden] {
  display: none;
}

.overlay-panel {
  width: min(100%, 330px);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 50px rgba(31, 42, 54, 0.22);
  backdrop-filter: blur(14px);
}

.eyebrow {
  color: var(--coral-dark);
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.overlay-panel h2,
.leaderboard-heading h2 {
  margin-top: 4px;
  font-size: 1.6rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.overlay-copy {
  margin-top: 10px;
  font-size: 0.95rem;
  line-height: 1.45;
}

.score-form {
  margin-top: 16px;
}

.score-form label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.score-form-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 7px;
}

.score-form input {
  width: 100%;
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: #ffffff;
}

.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.primary-button,
.secondary-button {
  padding: 0 14px;
}

.primary-button {
  color: #ffffff;
  background: var(--coral);
}

.primary-button:hover {
  background: var(--coral-dark);
}

.secondary-button {
  color: var(--ink);
  border-color: var(--line);
  background: #ffffff;
}

.leaderboard-panel {
  padding-bottom: 12px;
}

.leaderboard-heading {
  padding-bottom: 10px;
}

.text-button {
  min-height: 34px;
  padding: 0 10px;
  color: var(--night);
  border-color: var(--line);
  background: var(--panel-soft);
}

.leaderboard-list {
  margin: 0;
  padding: 0 14px;
  list-style: none;
}

.leaderboard-list li {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  border-top: 1px solid var(--line);
}

.leaderboard-list li:first-child {
  border-top: 0;
}

.leaderboard-list .rank {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  color: #ffffff;
  background: var(--night-2);
  font-size: 0.82rem;
  font-weight: 900;
}

.leaderboard-list strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-list span {
  display: block;
  margin-top: 1px;
  font-size: 0.75rem;
}

.leaderboard-list .points {
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.empty-score {
  grid-template-columns: 1fr;
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 880px) {
  .shell {
    width: min(560px, calc(100vw - 20px));
    grid-template-columns: 1fr;
    padding: 10px 0 16px;
    gap: 12px;
  }

  .leaderboard-panel {
    order: 2;
  }
}

@media (max-width: 460px) {
  .topbar,
  .leaderboard-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar {
    width: 100%;
  }

  .tool-button {
    flex: 1 1 0;
  }

  .overlay-panel {
    padding: 16px;
  }

  .score-form-row {
    grid-template-columns: 1fr;
  }

  .score-form-row .primary-button {
    width: 100%;
  }
}