:root {
  color-scheme: dark;
  --bg: #0d0d12;
  --panel: #181820;
  --panel-2: #22222d;
  --text: #f7f5ff;
  --muted: #aaa6b8;
  --accent: #8b5cf6;
  --accent-2: #b86cf4;
  --ok: #55d68b;
  --bad: #ff6b7d;
  --border: rgba(255, 255, 255, .1);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -10%, rgba(139, 92, 246, .22), transparent 38%),
    var(--bg);
  font-family: "DM Sans", system-ui, sans-serif;
}
button, input { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: max(18px, env(safe-area-inset-top)) 20px 16px;
  border-bottom: 1px solid var(--border);
}
.brand { font-size: 1.3rem; font-weight: 900; }
.controller-label {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(139, 92, 246, .18);
  color: #d9c9ff;
  font-size: .78rem;
  font-weight: 800;
}

main { width: min(100%, 560px); margin: 0 auto; padding: 24px 16px 48px; }
.screen { display: grid; gap: 16px; }
.card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(24, 24, 32, .96);
  box-shadow: 0 18px 45px rgba(0, 0, 0, .25);
}
.eyebrow {
  margin: 0 0 8px;
  color: #bba8f3;
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .13em;
}
h1 { margin: 0 0 20px; font-size: clamp(1.55rem, 7vw, 2.15rem); line-height: 1.08; }
h2 { margin: 0 0 14px; font-size: 1.05rem; }

.profile-chip {
  justify-self: end;
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: var(--panel);
  font-weight: 800;
}
.join-card { text-align: center; padding-block: 34px; }
.code-input {
  width: 100%;
  margin: 6px 0 14px;
  padding: 16px;
  border: 2px solid var(--border);
  border-radius: 14px;
  outline: none;
  color: var(--text);
  background: #101016;
  text-align: center;
  text-transform: uppercase;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: .2em;
}
.code-input:focus { border-color: var(--accent); }
.primary-btn {
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 13px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 900;
}
.primary-btn:disabled { opacity: .5; cursor: default; }
.privacy-note { margin: 0; color: var(--muted); text-align: center; font-size: .86rem; }

.music-gift { margin-top: 16px; }
.music-gift h2 { font-size: 1.25rem; }
.gift-copy { color: var(--muted); }
.gift-form { display: grid; gap: 10px; }
.gift-form input, .file-input {
  width: 100%;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 11px;
  color: var(--text);
  background: #101016;
}
.secondary-btn {
  width: 100%;
  min-height: 48px;
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: var(--panel-2);
  font-weight: 900;
}
.gift-status { min-height: 1.4em; margin: 12px 0 0; color: var(--muted); font-size: .88rem; }
.gift-status.success { color: var(--ok); }
.gift-status.error { color: var(--bad); }

.room-head { display: flex; justify-content: space-between; align-items: center; }
.room-head .eyebrow { display: block; margin-bottom: 2px; }
#room-code { font-size: 1.45rem; letter-spacing: .13em; }
.text-btn { border: 0; color: var(--muted); background: transparent; text-decoration: underline; }
.status-card { text-align: center; }
#room-subtitle { color: var(--muted); }
.player-action { display: grid; gap: 12px; margin-top: 22px; }
.answer-input {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
  color: var(--text);
  background: #101016;
}
.answer-input:focus { border-color: var(--accent); }
.buzz-btn {
  min-height: 150px;
  border: 0;
  border-radius: 50%;
  color: white;
  background: radial-gradient(circle at 35% 28%, #ff95a4, #e32949 58%, #8e1028);
  box-shadow: 0 12px 0 #710d20, 0 22px 45px rgba(227, 41, 73, .38);
  font-size: 1.7rem;
  font-weight: 1000;
}
.buzz-btn:active { transform: translateY(7px); box-shadow: 0 5px 0 #710d20; }
.wait-note { padding: 14px; border-radius: 12px; color: var(--muted); background: var(--panel-2); }
.reveal-card { margin-top: 18px; padding: 16px; border-radius: 14px; background: var(--panel-2); }
.reveal-card strong, .reveal-card span { display: block; }
.reveal-card strong { font-size: 1.25rem; }
.reveal-card .correct { color: var(--ok); }
.reveal-card .wrong { color: var(--bad); }

.rank-row {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 11px 0;
  border-top: 1px solid var(--border);
}
.rank-row:first-child { border-top: 0; }
.rank-row.me { color: #d9c9ff; font-weight: 800; }
.rank-score { display: grid; text-align: right; font-weight: 900; }
.rank-score small { color: var(--muted); font-size: .68rem; font-weight: 600; }

.gate {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  align-items: end;
  padding-top: env(safe-area-inset-top);
  background: rgba(0, 0, 0, .72);
  backdrop-filter: blur(8px);
}
.gate-sheet {
  width: min(100%, 560px);
  max-height: 92vh;
  margin: 0 auto;
  padding: 26px 20px max(26px, env(safe-area-inset-bottom));
  overflow-y: auto;
  border: 1px solid var(--border);
  border-bottom: 0;
  border-radius: 24px 24px 0 0;
  background: var(--panel);
}
.gate-copy { margin-top: -10px; color: var(--muted); }
.profile-list { display: grid; gap: 9px; margin-top: 18px; }
.profile-pick {
  display: flex;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: 13px;
  color: var(--text);
  background: var(--panel-2);
  text-align: left;
  font-weight: 800;
}
.profile-pick-emoji { font-size: 1.35rem; }
.profile-pick-copy { display: grid; gap: 2px; }
.profile-pick-copy small { color: var(--muted); font-size: .72rem; font-weight: 600; }
.profile-pick.selected {
  border-color: var(--accent-2);
  background: rgba(139, 92, 246, .22);
  box-shadow: 0 0 0 2px rgba(139, 92, 246, .18);
}
.confirm-profile-btn { margin-top: 12px; }
.divider { display: flex; align-items: center; gap: 10px; margin: 20px 0 12px; color: var(--muted); font-size: .8rem; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.create-profile { display: grid; grid-template-columns: 64px 1fr; gap: 9px; }
.create-profile input {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  color: var(--text);
  background: #101016;
}
.create-profile #new-emoji { text-align: center; font-size: 1.25rem; }
.create-profile .primary-btn { grid-column: 1 / -1; }
.error-card { padding: 18px; border: 1px solid rgba(255, 107, 125, .45); border-radius: 14px; color: #ffd3d9; background: rgba(255, 107, 125, .12); }
.toast { position: fixed; left: 16px; right: 16px; bottom: max(20px, env(safe-area-inset-bottom)); z-index: 20; max-width: 520px; margin: auto; padding: 14px; border-radius: 12px; background: #f7f5ff; color: #17131e; text-align: center; font-weight: 800; box-shadow: 0 12px 35px rgba(0,0,0,.35); }

@media (min-width: 640px) {
  .gate { align-items: center; padding: 20px; }
  .gate-sheet { border-bottom: 1px solid var(--border); border-radius: 24px; }
}