@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Orbitron:wght@600;700&display=swap');

:root {
  --mobile-dock-height: 112px;
  --bg-top: #08101c;
  --bg-bottom: #04070f;
  --ink: #e6eef7;
  --muted: #95a8bf;
  --card: rgba(8, 16, 28, 0.76);
  --line: rgba(129, 167, 214, 0.26);
  --accent: #57d2ff;
  --accent-strong: #31f08f;
  --danger: #ff506f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  color: var(--ink);
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at 12% 10%, rgba(49, 240, 143, 0.2), transparent 34%),
    radial-gradient(circle at 90% 4%, rgba(87, 210, 255, 0.22), transparent 30%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  padding: clamp(12px, 2vw, 20px);
}

input,
textarea,
select {
  -webkit-user-select: text;
  user-select: text;
}

.shell {
  max-width: 1220px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.hud {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(8px);
  border-radius: 18px;
  padding: clamp(14px, 2vw, 22px);
}

.eyebrow {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2 {
  margin: 0;
  font-family: 'Orbitron', 'Space Grotesk', sans-serif;
  letter-spacing: 0.03em;
}

h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.subcopy {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 62ch;
}

.stats {
  display: grid;
  gap: 10px;
  text-align: right;
  font-size: 0.95rem;
}

.stats span {
  display: block;
  color: var(--muted);
}

.stats strong {
  color: var(--ink);
}

.actions,
.player-form,
.start-actions,
.auth-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

button,
input {
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(8, 18, 32, 0.86);
  color: var(--ink);
  font: inherit;
}

button {
  padding: 8px 12px;
  min-height: 44px;
  cursor: pointer;
  transition: transform 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(87, 210, 255, 0.8);
  background: rgba(11, 25, 45, 0.95);
}

input {
  padding: 9px 11px;
  min-width: 240px;
}

.game-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  padding: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  max-height: 62dvh;
  display: block;
  background: transparent;
  touch-action: none;
  border-radius: 12px;
}

.game-frame.simulated-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 100;
  border-radius: 0;
  border: none;
  padding: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right))
    max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
}

body.mobile-immersive {
  min-height: 100dvh;
  overflow: hidden;
}

body.mobile-immersive .shell {
  max-width: none;
  gap: 0;
}

body.mobile-immersive .hud,
body.mobile-immersive .meta-grid,
body.mobile-immersive .shell > .meta-card:last-of-type {
  display: none;
}

body.mobile-immersive .hud {
  position: fixed;
  left: max(8px, env(safe-area-inset-left));
  right: max(8px, env(safe-area-inset-right));
  bottom: max(8px, env(safe-area-inset-bottom));
  z-index: 10001;
  border-radius: 14px;
  border: 1px solid rgba(129, 179, 242, 0.34);
  background: rgba(5, 13, 27, 0.92);
  backdrop-filter: blur(9px);
  padding: 8px 10px;
  display: block;
}

body.mobile-immersive .hud > :first-child {
  display: none;
}

body.mobile-immersive .stats {
  justify-items: stretch;
  align-items: center;
  gap: 6px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  text-align: left;
}

body.mobile-immersive .stats span {
  font-size: 0.8rem;
  color: #d0e5ff;
  background: rgba(17, 35, 62, 0.55);
  border: 1px solid rgba(135, 180, 232, 0.28);
  border-radius: 999px;
  padding: 4px 8px;
}

body.mobile-immersive .stats span:nth-child(2) {
  display: none;
}

body.mobile-immersive .actions {
  margin-top: 0;
  grid-column: 1 / -1;
  display: grid;
  gap: 6px;
  width: 100%;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body.mobile-immersive .actions button {
  min-height: 38px;
  font-size: 0.82rem;
  padding: 7px 4px;
}

body.mobile-immersive .game-frame {
  position: fixed;
  inset: 0;
  bottom: calc(var(--mobile-dock-height) + env(safe-area-inset-bottom));
  z-index: 9999;
  border-radius: 0;
  border: none;
  padding: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right))
    max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
}

body.mobile-immersive canvas {
  width: auto;
  height: 100%;
  max-width: 100%;
  max-height: none;
}

body.mobile-immersive .hint,
body.mobile-immersive .fullscreen-hint {
  display: none;
}

body.mobile-immersive.mobile-start-open .hud {
  display: none;
}

body.mobile-immersive.mobile-start-open .game-frame {
  bottom: 0;
}

body.mobile-immersive.mobile-start-open canvas {
  opacity: 0.5;
}

body.mobile-immersive.mobile-start-open .start-overlay {
  inset: 0;
  place-items: end center;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right))
    max(14px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
}

body.mobile-immersive.mobile-start-open .start-card {
  width: min(560px, 100%);
  max-height: min(76dvh, 620px);
  overflow: auto;
  border-radius: 18px;
  padding: 14px;
}

body.mobile-immersive.mobile-start-open .start-actions {
  position: sticky;
  bottom: 0;
  background: rgba(6, 12, 24, 0.95);
  padding-top: 8px;
}

.hint,
.fullscreen-hint {
  position: absolute;
  left: 12px;
  right: 12px;
  z-index: 2;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(8, 16, 28, 0.75);
  padding: 7px 10px;
  color: var(--muted);
  font-size: 0.82rem;
  pointer-events: none;
}

.hint {
  bottom: 12px;
}

.fullscreen-hint {
  top: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.fullscreen-hint.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.start-overlay {
  position: absolute;
  inset: 10px;
  display: grid;
  place-items: center;
  z-index: 3;
  background: linear-gradient(180deg, rgba(5, 8, 16, 0.45), rgba(4, 6, 12, 0.84));
  transition: opacity 0.2s ease;
}

.start-overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.start-card {
  width: min(520px, calc(100% - 30px));
  border-radius: 16px;
  border: 1px solid rgba(87, 210, 255, 0.4);
  background: rgba(6, 12, 24, 0.9);
  padding: 16px;
  display: grid;
  gap: 10px;
}

.start-card p,
.meta-subcopy {
  margin: 0;
  color: var(--muted);
}

.start-mini {
  font-size: 0.84rem;
}

.start-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.start-badges span {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(18, 31, 52, 0.7);
  padding: 5px 10px;
  font-size: 0.72rem;
}

.start-btn-google {
  border-color: rgba(49, 240, 143, 0.48);
}

.start-btn-primary {
  border-color: rgba(87, 210, 255, 0.48);
}

.remember-choice,
.meta-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.86rem;
}

.remember-choice input,
.meta-toggle input {
  min-width: 0;
}

.meta-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(260px, 1fr) minmax(360px, 1.5fr);
}

.meta-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  backdrop-filter: blur(6px);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.hall-tabs {
  display: flex;
  gap: 8px;
}

.hall-tab {
  flex: 1;
}

.hall-tab.is-active {
  border-color: rgba(49, 240, 143, 0.7);
  background: rgba(17, 40, 33, 0.88);
}

.hall-table-shell {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 8px 10px;
  font-size: 0.88rem;
}

thead {
  background: rgba(13, 30, 52, 0.8);
}

tbody tr:nth-child(even) {
  background: rgba(11, 20, 35, 0.56);
}

tbody tr.current-player {
  background: rgba(49, 240, 143, 0.14);
}

@media (max-width: 920px) {
  body {
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right))
      max(16px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .hud {
    flex-direction: column;
  }

  .stats {
    text-align: left;
  }

  .actions,
  .start-actions,
  .auth-actions {
    width: 100%;
  }

  .actions button,
  .auth-actions button {
    flex: 1;
  }

  .start-actions {
    flex-direction: column;
  }

  .start-actions button {
    width: 100%;
    min-height: 46px;
  }

  .game-frame {
    padding: 8px;
    border-radius: 14px;
  }

  .start-overlay {
    inset: 8px;
  }

  canvas {
    max-height: 56dvh;
  }

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

  input {
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 640px) {
  canvas {
    max-height: 50dvh;
  }

  .hint,
  .fullscreen-hint {
    font-size: 0.74rem;
    left: 8px;
    right: 8px;
  }

  .hint {
    bottom: 8px;
  }

  .fullscreen-hint {
    top: 8px;
  }
}