* {
  box-sizing: border-box;
}

:root {
  --bg-a: #0f172a;
  --bg-b: #172554;
  --panel: rgba(255, 255, 255, 0.94);
  --line: rgba(15, 23, 42, 0.16);
  --text: #111827;
  --muted: #475569;
  --accent: #ea580c;
  --accent-dark: #c2410c;
  --safe: #16a34a;
  --danger: #dc2626;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(251, 146, 60, 0.25), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(14, 165, 233, 0.24), transparent 26%),
    linear-gradient(155deg, var(--bg-a), var(--bg-b));
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  color: white;
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  background: #e2e8f0;
  color: #0f172a;
}

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

.app-shell {
  width: min(1380px, 100%);
  margin: 0 auto;
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(720px, 1fr) 330px;
  gap: 22px;
}

.game-card,
.ranking-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 24px;
  box-shadow: 0 18px 46px rgba(2, 6, 23, 0.28);
}

.game-card {
  padding: 18px;
}

.ranking-card {
  padding: 22px;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: start;
  margin-bottom: 14px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 6px;
  font-size: 2rem;
}

.topbar p,
.small,
.rules li {
  color: var(--muted);
  line-height: 1.45;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 116px);
  gap: 10px;
}

.status-grid div {
  min-height: 62px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
}

.status-grid span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 4px;
}

.status-grid strong {
  font-size: 1.1rem;
}

.game-wrap {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background: #0b1020;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  touch-action: none;
  user-select: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  padding: 22px;
  background: rgba(15, 23, 42, 0.72);
}

.overlay.is-visible {
  display: grid;
}

.overlay-panel {
  width: min(520px, 100%);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.97);
  padding: 26px;
  text-align: center;
}

.overlay-panel h2 {
  margin-bottom: 10px;
  font-size: 1.75rem;
}

.overlay-panel p {
  color: var(--muted);
  line-height: 1.5;
}

.name-field {
  display: block;
  text-align: left;
  font-weight: 700;
  margin: 18px 0;
}

.name-field input {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
}

.button-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.reward-area {
  margin: 18px 0;
  padding: 16px;
  border-radius: 18px;
  background: #fff7ed;
}

.reward-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.reward-buttons button {
  background: #fed7aa;
  color: #7c2d12;
}

.reward-buttons button.is-selected {
  background: #fdba74;
}

.reward-message {
  min-height: 1.4em;
  margin: 10px 0 0;
  color: #166534 !important;
  font-weight: 700;
}

.leaderboard {
  margin: 16px 0 26px;
  padding-left: 24px;
}

.leaderboard li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.leaderboard strong {
  display: inline-block;
  min-width: 54px;
}

.rules {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
}

.rules ul {
  padding-left: 20px;
  margin-bottom: 0;
}

.is-hidden {
  display: none !important;
}

@media (max-width: 1160px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .ranking-card {
    order: 2;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 12px;
  }

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

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

.mobile-controls {
  display: none;
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  z-index: 5;
  gap: 8px;
  flex-direction: column;
  align-items: center;
  pointer-events: auto;
}
.mobile-controls-row { display: flex; gap: 8px; }
.mobile-controls button {
  width: 56px;
  height: 48px;
  padding: 0;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(255,255,255,0.38);
  color: #ffffff;
  font-size: 1.25rem;
  box-shadow: 0 8px 22px rgba(2, 6, 23, 0.22);
}
.mobile-controls button:active {
  transform: translateY(1px);
  background: rgba(234, 88, 12, 0.88);
}
@media (hover: none), (pointer: coarse) {
  .mobile-controls {
    display: none;
  }
}
@media (max-width: 760px) {
  html, body {
    min-height: 100dvh;
    overflow-x: hidden;
  }
  .app-shell {
    width: 100%;
    padding: 8px;
    gap: 10px;
  }
  .game-card, .ranking-card { border-radius: 16px; }
  .game-card { padding: 10px; }
  .ranking-card { padding: 14px; }
  h1 { font-size: 1.35rem; }
  .topbar {
    gap: 8px;
    margin-bottom: 8px;
  }
  .topbar p { display: none; }
  .status-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }
  .status-grid div {
    min-height: 48px;
    padding: 7px 8px;
    border-radius: 10px;
  }
  .status-grid span {
    font-size: 0.61rem;
    letter-spacing: 0.04em;
  }
  .status-grid strong { font-size: 0.88rem; }
  .game-wrap { border-radius: 16px; }
  canvas { aspect-ratio: 5 / 6.8; }
  .overlay { padding: 10px; }
  .overlay-panel {
    padding: 18px;
    border-radius: 18px;
  }
  .overlay-panel h2 { font-size: 1.35rem; }
  .overlay-panel p { font-size: 0.93rem; }
  .mobile-controls button {
    width: 52px;
    height: 44px;
    border-radius: 14px;
  }
  .leaderboard li { padding: 7px 0; }
}
@media (max-width: 420px) {
  .status-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mobile-controls { bottom: 10px; }
  .mobile-controls button {
    width: 48px;
    height: 40px;
  }
}


.reward-preview {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 190px;
  margin: 12px 0 8px;
}

.reward-preview img {
  width: min(320px, 100%);
  height: auto;
  display: none;
  filter: drop-shadow(0 10px 18px rgba(15, 23, 42, 0.18));
}

.reward-preview img.is-visible {
  display: block;
}

@media (max-width: 760px) {
  .reward-preview {
    min-height: 150px;
  }

  .reward-preview img {
    width: min(250px, 100%);
  }
}


.mobile-tabs {
  display: none;
}

.mobile-only {
  display: none;
}

@media (max-width: 760px) {
  body {
    background: #0f172a;
  }

  .mobile-only {
    display: inline-flex;
  }

  .mobile-tabs {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 20;
    gap: 8px;
    padding: 8px;
    background: rgba(15, 23, 42, 0.94);
    backdrop-filter: blur(8px);
  }

  .mobile-tabs button {
    flex: 1;
    min-height: 42px;
    border-radius: 14px;
    background: rgba(226, 232, 240, 0.16);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.18);
  }

  .mobile-tabs button.is-active {
    background: #ea580c;
  }

  body.mobile-is-playing .mobile-tabs {
    display: none;
  }

  body[data-mobile-view="game"] .ranking-card {
    display: none;
  }

  body[data-mobile-view="stats"] .game-card {
    display: none;
  }

  body[data-mobile-view="stats"] .ranking-card {
    display: block;
  }

  body[data-mobile-view="stats"] .app-shell {
    display: block;
  }

  body.mobile-is-playing .app-shell {
    padding: 0;
  }

  body.mobile-is-playing .game-card {
    border-radius: 0;
    min-height: 100dvh;
    box-shadow: none;
    border: 0;
  }

  body.mobile-is-playing .ranking-card {
    display: none;
  }

  body.mobile-is-playing .topbar {
    padding: 8px;
    margin-bottom: 0;
  }

  body.mobile-is-playing .game-wrap {
    border-radius: 0;
  }

  body.mobile-is-playing canvas {
    width: 100vw;
    max-height: calc(100dvh - 120px);
    object-fit: contain;
    background: #0b1020;
  }

  .overlay {
    position: fixed;
    z-index: 40;
    overflow-y: auto;
    align-items: flex-start;
    padding: 14px;
  }

  .overlay.is-visible {
    display: flex;
  }

  .overlay-panel {
    width: min(100%, 520px);
    max-height: none;
    margin: auto;
  }

  .reward-area {
    margin: 12px 0;
    padding: 12px;
    border-radius: 16px;
  }

  .reward-buttons {
    gap: 8px;
  }

  .reward-buttons button {
    flex: 1 1 30%;
    min-width: 92px;
    padding: 10px 12px;
  }

  .button-row {
    gap: 8px;
  }

  .button-row button {
    flex: 1 1 100%;
    min-height: 46px;
  }

  .reward-preview {
    min-height: 120px;
    margin: 8px 0 4px;
  }

  .reward-preview img {
    width: min(220px, 100%);
  }
}

@media (max-width: 420px) {
  body.mobile-is-playing canvas {
    max-height: calc(100dvh - 150px);
  }

  .overlay-panel {
    padding: 14px;
  }

  .reward-buttons button {
    font-size: 0.92rem;
  }
}


.status-grid strong {
  word-break: break-word;
}

@media (max-width: 760px) {
  .status-grid div:nth-child(6) {
    grid-column: span 2;
  }
}

.full-width {
  width: 100%;
  justify-content: center;
  margin-top: 12px;
}