:root {
  --navy: #0f1729; --navy-2: #1b2a55; --cream: #fff8f0; --cream-2: #ffeedd; --sand: #ffd59e; --coral: #ff7a59; --coral-d: #e2553a;
  --teal: #0f766e; --teal-l: #2dd4bf; --ink: #2b1d1a; --muted: #8a7468; --line: #f0d9c4; --red: #dc2626; --green: #16a34a;
  --r: 18px; --shadow: 0 10px 30px rgba(15, 23, 41, .25);
  --head: "Baloo 2", system-ui, sans-serif; --body: "Be Vietnam Pro", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--navy); color: var(--ink); font: 15px/1.45 var(--body); }
button, input, select { font: inherit; color: inherit; }
h1, h2, h3, strong.title { font-family: var(--head); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.small-gap { gap: 6px; } .row.center { justify-content: center; } .row.end { justify-content: flex-end; }
.card { background: var(--cream); border-radius: var(--r); box-shadow: var(--shadow); }
.glass { background: rgba(255, 248, 240, .9); backdrop-filter: blur(6px); }
.hint { color: var(--muted); font-size: 13px; margin: 6px 0; }
.badge { background: var(--sand); color: #7c2d12; border-radius: 999px; padding: 1px 10px; font-size: 12px; font-weight: 700; }

/* buttons */
.btn { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; background: #fff; border: 2px solid var(--line);
  border-bottom-width: 4px; border-radius: 14px; padding: 7px 14px; cursor: pointer; font-weight: 600; white-space: nowrap; transition: transform .06s, background .15s; }
.btn:hover { background: var(--cream-2); } .btn:active { transform: translateY(2px); border-bottom-width: 2px; }
.btn.primary { background: var(--coral); border-color: var(--coral-d); color: #fff; }
.btn.primary:hover { background: #ff8c6e; }
.btn.teal { background: var(--teal); border-color: #0b5c56; color: #fff; }
.btn.danger { color: var(--red); }
.btn.on { background: var(--teal); border-color: #0b5c56; color: #fff; }
.btn.sm { padding: 4px 10px; font-size: 13px; border-radius: 10px; border-bottom-width: 3px; }
.btn.xl { width: 100%; padding: 14px 18px; font-size: 18px; font-family: var(--head); }
.btn.xl small { font: 500 12px var(--body); opacity: .8; }
.btn.link { background: none; border: 0; color: var(--teal); padding: 4px; font-weight: 600; }
.btn.icon { padding: 6px 10px; min-width: 40px; }
.btn[disabled] { opacity: .45; cursor: default; transform: none; }
input, select { background: #fff; border: 2px solid var(--line); border-radius: 12px; padding: 9px 12px; min-width: 0; outline: none; }
input:focus { border-color: var(--coral); }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); font-weight: 600; }

.screen { display: none; position: fixed; inset: 0; }
.screen.active { display: block; }

/* ---------- auth ---------- */
#s-auth { background: linear-gradient(180deg, #1b2a55 0%, #6b3f7a 45%, #ff8a65 78%, #ffd59e 100%); overflow: auto; }
.auth-bg .sun { position: absolute; left: 50%; bottom: 14%; width: 360px; height: 360px; margin-left: -180px; border-radius: 50%; background: radial-gradient(circle, #fff1c1 0%, #ffb37a 45%, transparent 70%); }
.auth-bg .skyline { position: absolute; left: 0; right: 0; bottom: 0; height: 22%; background:
  linear-gradient(transparent 0 0) 0 0/100% 100%,
  repeating-linear-gradient(90deg, #1a2342 0 60px, #222c50 60px 95px, #1a2342 95px 150px, #151d38 150px 210px); clip-path: polygon(0 40%, 5% 40%, 5% 10%, 11% 10%, 11% 35%, 18% 35%, 18% 0, 24% 0, 24% 30%, 31% 30%, 31% 15%, 38% 15%, 38% 45%, 46% 45%, 46% 5%, 52% 5%, 52% 30%, 60% 30%, 60% 12%, 67% 12%, 67% 40%, 74% 40%, 74% 2%, 80% 2%, 80% 28%, 88% 28%, 88% 10%, 94% 10%, 94% 35%, 100% 35%, 100% 100%, 0 100%); }
.auth-wrap { position: relative; max-width: 440px; margin: 7vh auto 40px; padding: 16px; text-align: center; }
.logo { margin: 0; font: 800 72px/1 var(--head); color: #fff7ed; text-shadow: 0 4px 0 #e2553a, 0 10px 30px rgba(0,0,0,.35); letter-spacing: -1px; }
.logo span { color: var(--sand); }
.tagline { color: #fff1e6; font-size: 16px; margin: 10px 0 22px; text-shadow: 0 1px 6px rgba(0,0,0,.4); }
.auth-card { background: var(--cream); border-radius: 22px; padding: 20px; display: grid; gap: 12px; box-shadow: var(--shadow); text-align: left; }
.auth-card h2 { margin: 0; text-align: center; }
.form-error { color: var(--red); margin: 0; min-height: 1.2em; font-size: 13px; }
.lang-btn { position: absolute; top: 14px; right: 14px; }

/* ---------- creator ---------- */
#s-creator { background: radial-gradient(ellipse at 30% 40%, #ffb37a 0, #ff8a65 25%, #6b3f7a 65%, #1b2a55 100%); overflow: auto; }
.creator { display: grid; grid-template-columns: minmax(280px, 1fr) minmax(320px, 520px); gap: 20px; max-width: 1100px; margin: 0 auto; padding: 20px; min-height: 100%; align-items: center; }
.creator-stage { display: grid; gap: 8px; justify-items: center; }
#creator-canvas { width: 100%; height: min(70vh, 560px); cursor: grab; }
.creator-stage .hint { color: #fff1e6; }
.creator-panel { padding: 18px; display: grid; gap: 12px; max-height: calc(100vh - 40px); overflow: auto; }
.creator-panel h2 { margin: 0; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs button { background: #fff; border: 2px solid var(--line); border-radius: 999px; padding: 5px 12px; cursor: pointer; font-weight: 600; font-size: 13px; }
.tabs button.active { background: var(--coral); border-color: var(--coral-d); color: #fff; }
.cr-options { display: grid; gap: 14px; }
.cr-field h4 { margin: 0 0 6px; font: 700 14px var(--body); color: var(--muted); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips button { background: #fff; border: 2px solid var(--line); border-radius: 12px; padding: 6px 12px; cursor: pointer; font-weight: 600; }
.chips button.active { border-color: var(--coral); background: #fff1ea; color: var(--coral-d); }
.swatches { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.swatches button { width: 30px; height: 30px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 0 0 2px var(--line); cursor: pointer; }
.swatches button.active { box-shadow: 0 0 0 3px var(--coral); }
.swatches input[type=color] { width: 36px; height: 32px; padding: 0; border-radius: 10px; }
@media (max-width: 820px) { .creator { grid-template-columns: 1fr; } #creator-canvas { height: 38vh; } }

/* ---------- game ---------- */
#s-game { background: var(--navy); }
#video-wrap { position: absolute; left: 0; top: 0; width: 1280px; height: 720px; overflow: hidden; background: #000; z-index: 0; display: none; transform-origin: 0 0; pointer-events: none; }
#video-wrap iframe, #yt-player { width: 100%; height: 100%; border: 0; display: block; }
.video-idle { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; color: #ffd59e; background: radial-gradient(circle, #2a1b3d, #0d0a14); font: 800 64px var(--head); padding: 40px; } /* the video box is always 1280x720 before its 3D transform */
#game-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; display: block; touch-action: none; }
#labels { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.nametag { font: 700 12px var(--body); color: #fff; background: rgba(15, 23, 41, .72); padding: 2px 9px; border-radius: 999px; white-space: nowrap; position: relative; }
.nametag.me { background: rgba(255, 122, 89, .9); }
.nametag.bot { opacity: .85; }
.nametag.tag-peach { background: #fb923c; } .nametag.tag-mint { background: #10b981; } .nametag.tag-sky { background: #0ea5e9; }
.nametag.tag-neon { background: #111; color: #a3e635; text-shadow: 0 0 6px #a3e635; box-shadow: 0 0 10px #a3e63588; }
.nametag.tag-gold { background: linear-gradient(90deg, #b45309, #fbbf24, #b45309); color: #fff; }
.nametag.tag-prism { background: linear-gradient(90deg, #f472b6, #a78bfa, #38bdf8, #34d399, #fbbf24); color: #fff; text-shadow: 0 1px 2px #0008; }
.nametag .mic { margin-right: 2px; }
.bubble { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); background: #fff; color: var(--ink); border-radius: 14px; padding: 5px 10px; font: 600 12px var(--body); width: max-content; max-width: 220px; white-space: normal; text-align: center; box-shadow: 0 4px 12px #0003; }
.bubble::after { content: ''; position: absolute; bottom: -6px; left: 50%; margin-left: -6px; border: 6px solid transparent; border-top-color: #fff; border-bottom: 0; }
.float-emoji { position: absolute; left: 50%; bottom: 10px; font-size: 26px; animation: floatUp 1.8s ease-out forwards; }
@keyframes floatUp { from { transform: translate(-50%, 0) scale(.6); opacity: 1; } 20% { transform: translate(calc(-50% + var(--dx) * .3), -20px) scale(1.1); } to { transform: translate(calc(-50% + var(--dx)), -90px) scale(1); opacity: 0; } }

.hud-top { position: absolute; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; padding: 12px; z-index: 5; pointer-events: none; flex-wrap: wrap; }
.hud-top > * { pointer-events: auto; }
.hud-left { padding: 8px 14px; display: flex; gap: 10px; align-items: center; }
.hud-left strong { font: 800 18px var(--head); }
.hud-right { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; max-width: calc(100vw - 280px); }
.coins { padding: 8px 14px; font: 800 16px var(--head); color: #92400e; }
.room-panel { position: absolute; top: 70px; right: 12px; bottom: 92px; width: 340px; z-index: 4; padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.room-panel h3 { margin: 0 0 6px; font-size: 14px; letter-spacing: .5px; text-transform: uppercase; color: var(--teal); }
.room-panel .grow { flex: 1; overflow: auto; min-height: 60px; }
.np { display: grid; grid-template-columns: 96px 1fr; gap: 10px; align-items: center; min-height: 54px; }
.np img { width: 96px; border-radius: 10px; }
.np .title { font-weight: 700; line-height: 1.25; }
.np .who { color: var(--muted); font-size: 13px; }
.np.empty { display: block; color: var(--muted); }
.progress { height: 6px; border-radius: 6px; background: var(--line); overflow: hidden; margin: 8px 0; }
#np-bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--coral), var(--sand)); transition: width .5s linear; }
.queue { margin: 0; padding-left: 22px; display: grid; gap: 8px; }
.queue li { font-size: 14px; }
.queue .who { color: var(--muted); font-size: 12px; }
.queue .acts { display: inline-flex; gap: 4px; margin-left: 6px; }

.center-stack { position: absolute; left: 0; right: 0; bottom: 84px; z-index: 6; display: flex; flex-direction: column; align-items: center; gap: 8px; pointer-events: none; }
.center-stack > * { pointer-events: auto; }
.prompt { background: rgba(15, 23, 41, .82); color: #fff; padding: 8px 16px; border-radius: 999px; font-weight: 600; cursor: pointer; }
.prompt b { background: var(--sand); color: var(--ink); border-radius: 6px; padding: 0 7px; margin-right: 6px; }
.mic-banner { background: var(--red); color: #fff; border: 0; border-radius: 999px; padding: 10px 18px; font-weight: 700; cursor: pointer; animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 10px rgba(220, 38, 38, .25); } }
.unmute { position: absolute; left: 50%; top: 40%; transform: translateX(-50%); z-index: 6; }
.held-bar { padding: 6px 10px; display: flex; gap: 6px; align-items: center; font-weight: 600; }
.chat-log { position: absolute; left: 12px; bottom: 84px; width: min(360px, 34vw); max-height: 32vh; overflow: auto; list-style: none; margin: 0; padding: 0; z-index: 3; display: flex; flex-direction: column; gap: 4px; }
.chat-log li { background: rgba(255, 248, 240, .88); border-radius: 12px; padding: 4px 10px; font-size: 13px; width: fit-content; max-width: 100%; }
.chat-log li b { color: var(--coral-d); }
.chat-log li.sys { background: rgba(15, 23, 41, .7); color: var(--sand); }
.hud-bottom { position: absolute; left: 0; right: 0; bottom: 0; display: flex; gap: 10px; align-items: center; padding: 12px; z-index: 5; flex-wrap: wrap; background: linear-gradient(transparent, rgba(15, 23, 41, .55)); }
.emo { background: var(--cream); border: 2px solid var(--line); border-bottom-width: 4px; border-radius: 12px; font-size: 20px; padding: 3px 8px; cursor: pointer; }
.emo:active { transform: translateY(2px); }
.chat-form { flex: 1; display: flex; gap: 6px; min-width: 220px; }
.chat-form input { flex: 1; }
.toasts { position: absolute; top: 74px; left: 50%; transform: translateX(-50%); z-index: 9; display: grid; gap: 6px; justify-items: center; pointer-events: none; }
.toast { background: var(--cream); border-radius: 14px; padding: 8px 16px; box-shadow: var(--shadow); font-weight: 600; animation: toast 4s forwards; pointer-events: auto; }
.toast.err { background: #fee2e2; color: #991b1b; max-width: min(560px, 90vw); }
.toast.sticky-long { animation-duration: 10s; }
.toast.coin { background: #fef3c7; color: #92400e; }
.toast .row { margin-top: 6px; }
@keyframes toast { 0% { opacity: 0; transform: translateY(-8px); } 8%, 85% { opacity: 1; transform: none; } 100% { opacity: 0; } }
.toast.sticky { animation: none; }
@media (max-width: 900px) {
  .room-panel { top: auto; bottom: 150px; height: 30vh; left: 12px; width: auto; }
  .chat-log { display: none; }
  .hud-right .btn { padding: 5px 8px; font-size: 12px; }
}

/* ---------- dialogs ---------- */
.dlg { border: 0; border-radius: 22px; padding: 18px; width: min(520px, calc(100vw - 24px)); background: var(--cream); color: var(--ink); box-shadow: var(--shadow); max-height: calc(100vh - 40px); }
.dlg.wide { width: min(860px, calc(100vw - 24px)); }
.dlg::backdrop { background: rgba(15, 23, 41, .45); }
.dlg header { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.dlg header > :first-child { flex: 1; }
.dlg header strong { font: 800 20px var(--head); }
.dlg header p { margin: 2px 0 0; }
.dlg-body { display: grid; gap: 12px; max-height: 64vh; overflow: auto; padding: 2px; }
.dlg h4 { margin: 4px 0; font: 700 14px var(--body); color: var(--teal); }
.room-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.room-card { background: #fff; border: 2px solid var(--line); border-radius: 16px; padding: 12px; display: grid; gap: 4px; border-left: 8px solid var(--c); }
.room-card h5 { margin: 0; font: 800 17px var(--head); }
.room-card .status { font-size: 12px; font-weight: 700; }
.status.open { color: var(--green); } .status.singing { color: #c2410c; } .status.full { color: var(--red); }
.quick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quick button { text-align: left; align-items: flex-start; }
.days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.day { background: #fff; border: 2px solid var(--line); border-radius: 12px; padding: 8px 4px; text-align: center; font-size: 12px; }
.day b { display: block; font: 800 16px var(--head); color: #92400e; }
.day.done { background: #d1fae5; border-color: #6ee7b7; }
.day.next { border-color: var(--coral); box-shadow: 0 0 0 2px #ffd3c4; }
.boards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.board { background: #fff; border-radius: 14px; padding: 10px; }
.board ol { margin: 0; padding-left: 0; list-style: none; display: grid; gap: 4px; }
.board li { display: flex; justify-content: space-between; font-size: 14px; }
.items { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.item { background: #fff; border: 2px solid var(--line); border-radius: 16px; padding: 10px; display: grid; gap: 4px; justify-items: center; text-align: center; }
.item .ic { font-size: 34px; line-height: 1.2; }
.item b { font-size: 14px; }
.item.owned { border-color: #6ee7b7; }
.guide { display: grid; gap: 10px; }
.guide div { display: grid; grid-template-columns: 34px 1fr; gap: 8px; align-items: start; }
.guide span { font-size: 24px; }
.guide p { margin: 2px 0 0; color: var(--muted); }
.kiosk .genres { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.kiosk #kiosk-form input { flex: 1; }
.results { display: grid; gap: 6px; max-height: 46vh; overflow: auto; margin-top: 8px; }
.result { display: grid; grid-template-columns: 110px 1fr auto; gap: 10px; align-items: center; background: #fff; border-radius: 12px; padding: 6px; }
.result img { width: 110px; border-radius: 8px; }
.result .ch { color: var(--muted); font-size: 12px; }
.shop-rows { display: grid; gap: 6px; }
.shop-row { display: flex; justify-content: space-between; align-items: center; background: #fff; border-radius: 12px; padding: 6px 10px; }
.switches { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.switches button { padding: 16px 8px; }
.slider { display: grid; grid-template-columns: 150px 1fr 56px; align-items: center; gap: 8px; font-size: 14px; }
.slider output { text-align: right; font-weight: 700; color: var(--teal); }
input[type=range] { padding: 0; border: 0; accent-color: var(--coral); }
.plain-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.plain-list li { display: flex; justify-content: space-between; align-items: center; background: #fff; border-radius: 12px; padding: 6px 10px; }

/* camera controls */
.crosshair { position: absolute; left: 50%; top: 50%; width: 22px; height: 22px; margin: -11px 0 0 -11px; z-index: 4; pointer-events: none; }
.crosshair::before, .crosshair::after { content: ''; position: absolute; background: #fff; box-shadow: 0 0 3px #000a; border-radius: 2px; }
.crosshair::before { left: 10px; top: 2px; width: 2px; height: 18px; } .crosshair::after { top: 10px; left: 2px; height: 2px; width: 18px; }
.crosshair.on-target::before, .crosshair.on-target::after { background: var(--sand); }
.controls-hint { position: absolute; left: 50%; top: 66px; transform: translateX(-50%); z-index: 4; background: rgba(15, 23, 41, .7); color: #fff; padding: 6px 14px; border-radius: 999px; font-size: 13px; pointer-events: none; text-align: center; max-width: min(640px, calc(100vw - 420px)); transition: opacity .4s; }
.controls-hint.dim { opacity: 0; }
@media (max-width: 900px) { .controls-hint { display: none; } }

/* mic level meter + headphone toggle */
.mic-btn { flex-direction: row; gap: 8px; }
.mic-btn .meter { width: 44px; height: 8px; border-radius: 6px; background: var(--line); overflow: hidden; display: none; }
.mic-btn.on .meter { display: block; background: rgba(255,255,255,.35); }
.mic-btn .meter i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #86efac, #facc15, #ef4444); transition: width .08s linear; }

/* ---------- song list panel: see-through + collapsible ---------- */
.room-panel { background: rgba(12, 17, 32, .42); backdrop-filter: blur(8px) saturate(1.2); -webkit-backdrop-filter: blur(8px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--r); box-shadow: 0 8px 28px rgba(0, 0, 0, .25); color: #f1f5f9; transition: background .2s; }
.room-panel:hover { background: rgba(12, 17, 32, .6); }
.room-panel h3 { color: var(--sand); }
.room-panel .np .title { color: #fff; } .room-panel .np .who, .room-panel .queue .who, .room-panel .hint, .room-panel .muted, .room-panel .np.empty { color: rgba(226, 232, 240, .75); }
.room-panel .progress { background: rgba(255, 255, 255, .18); }
.room-panel .queue li { color: #f8fafc; }
.panel-head { display: flex; align-items: center; gap: 8px; }
.panel-head strong { font: 800 15px var(--head); color: #fff; white-space: nowrap; }
.panel-mini { flex: 1; min-width: 0; font-size: 12px; color: rgba(226, 232, 240, .85); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: none; }
.panel-toggle { margin-left: auto; width: 30px; height: 30px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .12); color: #fff; font-size: 16px; cursor: pointer; flex: none; }
.panel-toggle:hover { background: rgba(255, 255, 255, .25); }
.panel-content { display: flex; flex-direction: column; gap: 12px; flex: 1; min-height: 0; }
.room-panel.collapsed { bottom: auto; padding: 8px 10px; width: 320px; gap: 0; }
.room-panel.collapsed .panel-content { display: none; }
.room-panel.collapsed .panel-mini { display: block; }
@media (max-width: 900px) { .room-panel.collapsed { top: auto; bottom: 150px; height: auto; } }
.room-panel .btn { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .28); color: #fff; }
.room-panel .btn:hover { background: rgba(255, 255, 255, .26); }