:root {
  --bg: #08111f;
  --panel: rgba(6, 16, 31, 0.78);
  --panel-line: rgba(255, 255, 255, 0.08);
  --text: #f5f1e8;
  --muted: #b8c1cf;
  --accent: #f36b21;
  --accent-2: #ffd35c;
  --danger: #ff4d6d;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(243, 107, 33, 0.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(255, 211, 92, 0.14), transparent 25%),
    linear-gradient(140deg, #050b14, #0b1828 46%, #09101b 100%);
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
}

body {
  overflow: hidden;
}

.shell {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 22px;
  height: 100vh;
  padding: 18px;
}

.hud-panel,
.stage-wrap,
.modal-card {
  border: 1px solid var(--panel-line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hud-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent),
    var(--panel);
  border-radius: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-2);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
}

.brand h1,
.modal-card h2 {
  margin: 0;
  font-family: "Staatliches", sans-serif;
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: 0.03em;
}

.deck {
  color: var(--muted);
  line-height: 1.55;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-card,
.controls-card,
.leaderboard-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 16px;
}

.stat-card:last-child {
  grid-column: 1 / -1;
}

.stat-card span,
.controls-title,
.leaderboard-head p,
.legend {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.stat-card strong {
  display: block;
  margin-top: 10px;
  font-family: "Staatliches", sans-serif;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.controls-card ul,
.leaderboard-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.controls-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--text);
}

kbd {
  min-width: 34px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  font-family: inherit;
  text-align: center;
}

.leaderboard-card {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.leaderboard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.leaderboard-head p {
  margin: 0;
}

.leaderboard-head button,
.actions button {
  cursor: pointer;
  border: 0;
  border-radius: 999px;
  font-family: inherit;
}

.leaderboard-head button {
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: auto;
  margin-top: 14px;
  padding-right: 4px;
}

.leaderboard-item,
.leaderboard-empty {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.leaderboard-item {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 12px;
  align-items: center;
}

.leaderboard-rank {
  color: var(--accent-2);
  font-family: "Staatliches", sans-serif;
  font-size: 1.3rem;
}

.leaderboard-name {
  font-weight: 700;
}

.leaderboard-phone {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 4px;
}

.leaderboard-time {
  font-family: "Staatliches", sans-serif;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
}

.stage-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  background: #0c1320;
}

.kiosk-screen {
  position: absolute;
  inset: 78px 22px 26px 22px;
  z-index: 3;
  display: grid;
  align-content: start;
  justify-items: start;
  gap: 14px;
  pointer-events: none;
}

.screen-card {
  max-width: 360px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(6, 16, 31, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  pointer-events: auto;
}

.screen-card h2,
.screen-card h3 {
  margin: 0;
  font-family: "Staatliches", sans-serif;
  letter-spacing: 0.04em;
}

.screen-card h2 {
  font-size: 2.3rem;
  line-height: 0.96;
}

.screen-card h3 {
  font-size: 2rem;
}

.qr-card,
.player-card,
.hold-card,
.finish-card {
  display: none;
}

.qr-image {
  display: block;
  width: 220px;
  height: 220px;
  margin: 16px 0 10px;
  border-radius: 18px;
  background: #fff;
  padding: 12px;
}

.qr-link {
  display: block;
  color: var(--accent-2);
  word-break: break-all;
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.45;
}

.session-code {
  margin: 12px 0 0;
  color: var(--muted);
}

.player-card p,
.hold-card p,
.finish-card p {
  margin-bottom: 0;
}

.hold-counter {
  font-family: "Staatliches", sans-serif;
  font-size: 4rem;
  line-height: 1;
  letter-spacing: 0.04em;
}

.finish-player {
  color: var(--accent-2);
  font-size: 1.15rem;
}

.flag-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 4;
  transform: translate(-50%, -50%) rotate(-5deg) scale(0.8);
  padding: 18px 28px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), #ff8c42);
  color: #180f08;
  font-family: "Staatliches", sans-serif;
  font-size: clamp(2.8rem, 7vw, 6rem);
  letter-spacing: 0.08em;
  opacity: 0;
  transition: 200ms ease;
  pointer-events: none;
}

.flag-banner.visible {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(-3deg) scale(1);
}

.kiosk-screen[data-state="qr"] .qr-card,
.kiosk-screen[data-state="qr"] .hold-card,
.kiosk-screen[data-state="ready"] .player-card,
.kiosk-screen[data-state="ready"] .hold-card,
.kiosk-screen[data-state="finished"] .player-card,
.kiosk-screen[data-state="finished"] .hold-card,
.kiosk-screen[data-state="finished"] .finish-card {
  display: block;
}

.kiosk-screen[data-state="racing"] .player-card {
  display: block;
}

.stage-chrome {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-radius: 18px;
  background: rgba(6, 16, 31, 0.44);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.signal {
  display: flex;
  gap: 8px;
}

.signal span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}

.signal span:first-child {
  background: var(--danger);
}

.signal span:nth-child(2) {
  background: var(--accent);
}

.signal span:last-child {
  background: #46d889;
}

#statusLabel {
  margin: 0;
  color: var(--text);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.86rem;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.stage-overlay {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 2;
}

.legend {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(6, 16, 31, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(3, 8, 16, 0.72);
  z-index: 20;
}

.hidden {
  display: none;
}

.checkin-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 18px;
}

.checkin-shell {
  width: 100%;
  display: grid;
  place-items: center;
}

.checkin-card {
  width: min(560px, 100%);
  padding: 28px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(243, 107, 33, 0.16), transparent 32%),
    rgba(6, 16, 31, 0.92);
  border: 1px solid var(--panel-line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.submit-btn {
  padding: 14px 18px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #ff8c42);
  color: #170d06;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.checkin-message {
  margin-bottom: 0;
  color: var(--accent-2);
  font-weight: 700;
}

.modal-card {
  width: min(560px, 100%);
  padding: 28px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(243, 107, 33, 0.16), transparent 32%),
    rgba(6, 16, 31, 0.92);
}

.finish-time {
  margin: 10px 0 22px;
  color: var(--muted);
}

.finish-time strong {
  color: var(--text);
  font-family: "Staatliches", sans-serif;
  font-size: 2rem;
  letter-spacing: 0.04em;
}

.result-form {
  display: grid;
  gap: 16px;
}

.result-form label {
  display: grid;
  gap: 8px;
}

.result-form span {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

.result-form input {
  width: 100%;
  padding: 15px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font: inherit;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.actions button {
  padding: 14px 18px;
  font-weight: 700;
}

.actions button[type="submit"] {
  background: linear-gradient(135deg, var(--accent), #ff8c42);
  color: #170d06;
  flex: 1;
}

.actions .ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

@media (max-width: 1100px) {
  body {
    overflow: auto;
  }

  .shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
  }

  .hud-panel {
    order: 2;
  }

  .stage-wrap {
    min-height: 62vh;
  }

  .kiosk-screen {
    inset: 82px 16px 20px 16px;
  }
}

@media (max-width: 680px) {
  .shell {
    padding: 12px;
    gap: 12px;
  }

  .hud-panel,
  .modal-card,
  .stage-wrap {
    border-radius: 22px;
  }

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

  .actions {
    flex-direction: column;
  }
}