/* Groove — 스타일
   공통 바탕·글꼴·버튼·이전 버튼·일시정지 창은 /games/common/ui.css (Etude·Beat·Echo와 같음)
   북마다 색: 하이햇=민트, 스네어=로즈, 탐=앰버, 킥=아이리스, 심벌=골드·스카이 */
:root { --rose: var(--l0); --amber: var(--l1); --mint: var(--l2); --iris: var(--l3); --gold: #FFE38A; }
body[data-screen="play"] { touch-action: none; }
#home { --col-half: 380px; }
a { color: var(--mint); }
kbd { font: 600 12px var(--ui); padding: 1px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--faint); }

.page { width: 100%; max-width: 760px; margin: 0 auto; }
.page.narrow { max-width: 560px; }

/* ---------- 홈 ---------- */
.hero { text-align: center; padding: 18px 0 8px; }
.hero .wordmark { margin: 8px 0 18px; }   /* 글자 크기는 common/ui.css (모든 게임 같음) */
.hero .lede { margin: 0 auto 22px; max-width: 30em; }
.stats { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.stat { padding: 7px 14px; border-radius: 999px; background: var(--faint); color: var(--mute); font-size: 14px; }
.stat b { font: 700 15px var(--display); color: var(--ink); margin-right: 3px; }
.stat.hot { background: rgba(255, 181, 71, .14); color: var(--amber); }
.stat.hot b { color: var(--amber); }
i[data-in] { width: 20px; height: 20px; display: inline-block; background: currentColor; flex: none;
  -webkit-mask: var(--ic) center / contain no-repeat; mask: var(--ic) center / contain no-repeat; color: var(--mint); }
i[data-in="touch"] { --ic: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='6' y='2' width='12' height='20' rx='3'/%3E%3Ccircle cx='12' cy='13' r='3'/%3E%3C/svg%3E"); }
i[data-in="keys"] { --ic: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='2' y='6' width='20' height='12' rx='2'/%3E%3Cpath d='M6 10h1M10 10h1M14 10h1M18 10h0M7 14h10'/%3E%3C/svg%3E"); }
i[data-in="midi"] { --ic: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cellipse cx='12' cy='8' rx='9' ry='3.5'/%3E%3Cpath d='M3 8v7c0 2 4 3.5 9 3.5s9-1.5 9-3.5V8M8 11l-3 11M16 11l3 11'/%3E%3C/svg%3E"); }
i[data-in="camera"] { --ic: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M3 8h3l2-3h8l2 3h3v11H3z'/%3E%3Ccircle cx='12' cy='13' r='3.5'/%3E%3C/svg%3E"); }
i[data-in="mic"] { --ic: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Crect x='9' y='3' width='6' height='11' rx='3'/%3E%3Cpath d='M6 11a6 6 0 0 0 12 0M12 17v4'/%3E%3C/svg%3E"); }

.next-card { position: relative; display: block; width: 100%; text-align: left; margin: 22px 0 6px; padding: 20px 76px 20px 22px; cursor: pointer;
  border-radius: var(--r-lg); border: 0; color: var(--ink);
  background: linear-gradient(120deg, rgba(255, 111, 145, .22), rgba(143, 123, 255, .22)), rgba(246, 242, 255, .04);
  box-shadow: inset 0 0 0 1px rgba(246, 242, 255, .14); }
.next-card b { display: block; font-size: 20px; font-weight: 800; letter-spacing: -.01em; margin: 4px 0 6px; }
.next-k { font-size: 14px; color: var(--amber); font-weight: 700; }
.next-tip { color: var(--mute); font-size: 13.5px; display: block; }
.play-dot { position: absolute; right: 20px; top: 50%; width: 46px; height: 46px; margin-top: -23px; border-radius: 50%; background: var(--ink); }
.play-dot::after { content: ''; position: absolute; left: 18px; top: 14px; border-left: 14px solid var(--abyss); border-top: 9px solid transparent; border-bottom: 9px solid transparent; }

.sec-title { margin: 36px 0 14px; font: 800 26px/1.2 var(--ui); letter-spacing: -0.02em; }
.sec-title small { font: 500 13.5px var(--ui); color: var(--mute); margin-left: 8px; letter-spacing: 0; }
.chapter { margin-bottom: 14px; padding: 14px 14px 8px; border-radius: var(--r-lg); background: rgba(246, 242, 255, .035); }
.ch-head { display: flex; align-items: baseline; gap: 10px; margin: 0 4px 8px; flex-wrap: wrap; }
.ch-head b { font: 700 12px/1 var(--display); letter-spacing: .08em; color: var(--mute); text-transform: uppercase; }
.ch-head span { font-size: 13px; color: var(--mute); }
.lessons { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
@media (max-width: 520px) { .lessons { grid-template-columns: 1fr; } }
.lesson { width: 100%; display: grid; grid-template-columns: 32px 1fr auto auto; align-items: center; gap: 8px; padding: 11px 12px; border-radius: 14px;
  border: 1px solid transparent; background: rgba(246, 242, 255, .04); cursor: pointer; text-align: left; }
.lesson:hover { border-color: var(--line); }
.ln-no { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font: 700 12px var(--display); background: var(--faint); color: var(--mute); }
.lesson.done .ln-no { background: var(--mint); color: #08241F; }
.lesson.next { border-color: rgba(255, 181, 71, .6); background: rgba(255, 181, 71, .08); }
.lesson.next .ln-no { background: var(--amber); color: #2A1A00; }
.ln-t { font-weight: 700; font-size: 17px; word-break: keep-all; }
.ln-m { font: 600 12px var(--display); color: var(--mute); }
.ln-s { color: var(--gold); font-size: 13px; letter-spacing: 1px; }

.song-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 10px; }
.song-card { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 16px; min-height: 150px; text-align: left; cursor: pointer;
  border-radius: var(--r-lg); border: 1px solid var(--line); overflow: hidden;
  background: radial-gradient(120% 90% at 100% 0%, rgba(143, 123, 255, .25), transparent 60%), rgba(246, 242, 255, .04); }
.song-card:nth-child(2) { background: radial-gradient(120% 90% at 100% 0%, rgba(62, 230, 200, .22), transparent 60%), rgba(246, 242, 255, .04); }
.song-card:nth-child(3) { background: radial-gradient(120% 90% at 100% 0%, rgba(255, 181, 71, .22), transparent 60%), rgba(246, 242, 255, .04); }
.song-card:nth-child(4) { background: radial-gradient(120% 90% at 100% 0%, rgba(255, 111, 145, .25), transparent 60%), rgba(246, 242, 255, .04); }
.song-card .genre { font-size: 13px; color: var(--mute); }
.song-card b { font-size: 20px; line-height: 1.2; font-weight: 800; letter-spacing: -.01em; margin-top: 6px; }
.song-card .en { font-size: 12px; color: var(--mute); }
.song-card .lv { display: flex; gap: 3px; margin-top: auto; padding-top: 10px; }
.song-card .lv i { width: 14px; height: 4px; border-radius: 2px; background: var(--faint); }
.song-card .lv i.on { background: var(--rose); }
.song-card .sc { font-size: 13px; color: var(--gold); }
.tools { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin: 4px 0 12px; }

/* ---------- 준비 (부품은 common/ui.css — Etude와 같음) ---------- */
.ready-panel .song-meta { margin-bottom: 12px; }
.art.kit-art { margin: 14px 0 6px; }
.art.kit-art canvas { display: block; width: 100%; height: 150px; }
.art.pattern { margin: 6px 0 18px; padding: 12px; border-radius: var(--r-md); background: rgba(12, 9, 38, 0.45); }
.art.pattern canvas { display: block; width: 100%; height: 80px; }
/* 선택된 방식: 이름 뒤에 ▶ (한 번 더 누르면 시작) */
.mode[aria-checked="true"] b::after { content: '\25B6\FE0E'; font-size: .72em; margin-left: 5px; position: relative; top: -1px; }
.set.tempo, .set.tempo:is(*) { grid-template-columns: 70px auto 1fr; }
.set .stepper { justify-self: start; }
.set .stepper button { width: 32px; height: 32px; }
.set .stepper output { min-width: 46px; font-size: 15px; }
.set > output { color: var(--mute); font-weight: 500; font-size: 13px; white-space: nowrap; min-width: 0; }
#home .mic-chip { margin: 0 0 6px; }
.kicker { color: var(--amber); }
.t-stars { font-size: 18px; color: var(--gold); letter-spacing: 1px; vertical-align: middle; }
.sections { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 0 0 14px; transition: opacity .2s; }
.sections.dim { opacity: .5; }
.sec-lab { font-size: 13px; color: var(--mute); margin-right: 4px; }
.sections button { border: 1px solid var(--line); background: none; border-radius: 999px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.sections button.on { background: var(--ink); color: var(--abyss); border-color: var(--ink); }
.calib-step { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 10px; }
.stepper { display: inline-flex; align-items: center; gap: 4px; background: var(--faint); border-radius: 999px; padding: 3px; }
.stepper button { width: 36px; height: 36px; border-radius: 50%; border: 0; background: rgba(246, 242, 255, .08); cursor: pointer; font-size: 18px; line-height: 1; }
.stepper output { min-width: 62px; text-align: center; font: 700 16px var(--display); }

/* ---------- 연주 ---------- */
#play { padding: 0; position: fixed; inset: 0; overflow: hidden; background: radial-gradient(90% 50% at 50% 0%, rgba(59, 31, 122, .6), transparent 70%), var(--abyss); }
#stage { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; user-select: none; -webkit-user-select: none; }
#safeProbe { position: absolute; bottom: 0; left: 0; width: 1px; height: env(safe-area-inset-bottom, 0px); pointer-events: none; }
.hud { position: absolute; left: 0; right: 0; top: 0; display: flex; align-items: center; gap: 10px; pointer-events: none;
  padding: max(10px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 8px max(12px, env(safe-area-inset-left));
  background: linear-gradient(180deg, rgba(8, 6, 28, .92) 40%, rgba(8, 6, 28, 0)); }
.hud > * { pointer-events: auto; }
.hud-mid { flex: 1; min-width: 0; text-align: center; }
.hud-title { font-size: 14px; color: var(--mute); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-bpm { font-size: 12px; color: var(--mute); }
.hud-score { text-align: right; min-width: 84px; }
.hud-score b { display: block; font: 700 21px/1.1 var(--display); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.hud-score span { font-size: 12px; color: var(--mute); font-variant-numeric: tabular-nums; }
.hud2 { position: absolute; top: calc(max(10px, env(safe-area-inset-top)) + 54px); left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; padding: 0 14px; pointer-events: none; gap: 10px; }
.hud2 .playpause { position: relative; right: auto; bottom: auto; width: 52px; height: 52px; flex: none; pointer-events: auto; }
.hud2 .playpause .pp-pause span { height: 18px; width: 5px; }
.hud2 .playpause .pp-play { border-left-width: 17px; border-top-width: 10px; border-bottom-width: 10px; margin-left: 5px; }
#count { z-index: 6; }
#pause .pause-panel { max-width: 360px; }
#pause .settings { text-align: left; margin: 0 0 6px; }
#pause .toggles { justify-content: center; }
.pause-btns { display: grid; gap: 8px; margin-top: 14px; }
.band { display: flex; gap: 5px; flex: 1; flex-wrap: wrap; }
.hud2 .timing { flex: 1; max-width: 150px; margin-left: auto; }
.band span { font-size: 11px; font-weight: 600; padding: 4px 9px; border-radius: 999px; background: var(--faint); color: rgba(246, 242, 255, .35); transition: all .3s; }
.band span.on { background: rgba(143, 123, 255, .3); color: var(--ink); box-shadow: 0 0 14px rgba(143, 123, 255, .5); }
.timing { position: relative; width: 150px; height: 26px; flex: none; }
.timing canvas { width: 100%; height: 18px; display: block; }
.timing span { position: absolute; bottom: -4px; font-size: 10px; color: var(--mute); }
.timing span:first-of-type { left: 0; } .timing span:last-of-type { right: 0; }
.progress { position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--faint); }
.progress i { display: block; height: 100%; width: 0; background: var(--spectrum); }
.combo { position: absolute; left: 0; right: 0; top: 24%; text-align: center; pointer-events: none; opacity: .5; }
.combo b { display: block; font: 900 64px/1 var(--display); letter-spacing: -.04em; }
.combo span { font: 700 12px var(--display); letter-spacing: .2em; color: var(--mute); }
.banner { position: absolute; left: 50%; top: 40%; transform: translate(-50%, -50%); pointer-events: none; text-align: center; white-space: nowrap;
  font: 800 24px/1.2 var(--display); padding: 14px 24px; border-radius: 20px; background: rgba(8, 6, 28, .7); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.banner small { display: block; font: 600 14px var(--ui); color: var(--mute); margin-top: 6px; }
.banner.good { color: var(--mint); box-shadow: 0 0 40px rgba(62, 230, 200, .3); }
.banner.slow { color: var(--amber); }
.banner.mid { color: var(--ink); font-size: 20px; }
.banner.band { top: 33%; font-size: 16px; padding: 8px 16px; color: var(--iris); background: rgba(143, 123, 255, .15); }
.banner.pop { animation: bannerpop .35s cubic-bezier(.2, 1.4, .4, 1); }
@keyframes bannerpop { from { transform: translate(-50%, -50%) scale(.6); opacity: 0; } to { transform: translate(-50%, -50%) scale(1); opacity: 1; } }

/* ---------- 결과 ---------- */
#result .panel { text-align: center; }
.stars { font-size: 44px; letter-spacing: 6px; min-height: 10px; margin: 6px 0 0; }
.stars i { font-style: normal; color: rgba(246, 242, 255, .15); display: inline-block; }
.stars i.on { color: var(--gold); text-shadow: 0 0 24px rgba(255, 227, 138, .7); animation: star .5s backwards cubic-bezier(.2, 1.6, .4, 1); }
@keyframes star { from { transform: scale(0) rotate(-40deg); } to { transform: scale(1); } }
.big-num b { display: block; font: 900 clamp(54px, 15vw, 84px)/1 var(--display); letter-spacing: -0.04em; }
.big-num span { color: var(--mute); font-size: 14px; }
.rs-badge { display: inline-block; margin: 12px 0 0; padding: 5px 12px; border-radius: 999px; background: color-mix(in srgb, var(--l1) 25%, transparent); color: var(--amber); font-weight: 700; font-size: 13px; }
.rs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; margin: 20px 0 12px; }
.cell { padding: 12px 6px; border-radius: 14px; background: rgba(246, 242, 255, .045); }
.cell b { display: block; font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.cell span { font-size: 12.5px; color: var(--mute); }
.card { background: rgba(246, 242, 255, .045); border-radius: var(--r-lg); padding: 16px; text-align: left; }
.card h4 { margin: 0 0 8px; font-size: 13px; font-weight: 500; color: var(--mute); }
.card h4 small { font-weight: 500; color: var(--mute); margin-left: 6px; }
.card canvas { display: block; width: 100%; height: 96px; }
.advice { margin: 10px 0 0; font-size: 15px; }
.lane-stats { margin: 12px 0; display: grid; gap: 6px; text-align: left; }
.lane-row { display: grid; grid-template-columns: 76px 1fr 44px 58px; align-items: center; gap: 8px; font-size: 13px; }
.lr-name { font-weight: 700; }
.lr-bar { height: 8px; border-radius: 4px; background: var(--faint); overflow: hidden; }
.lr-bar i { display: block; height: 100%; border-radius: 4px; }
.lr-v { text-align: right; font-weight: 600; }
.lr-m { color: var(--mute); text-align: right; }
.rs-btns { display: grid; gap: 8px; margin-top: 18px; }

/* ---------- 입력 설정 ---------- */
.inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 10px 0 14px; }
.in-opt { text-align: left; padding: 14px; border-radius: var(--r-md); border: 1px solid var(--line); background: rgba(246, 242, 255, .03); cursor: pointer; }
.in-opt i[data-in] { width: 26px; height: 26px; margin-bottom: 6px; display: block; }
.in-opt b { display: block; font-size: 17px; font-weight: 700; }
.in-opt span { display: block; font-size: 13px; color: var(--mute); line-height: 1.4; margin-top: 2px; word-break: keep-all; }
.in-opt.on { border-color: var(--mint); background: rgba(62, 230, 200, .09); box-shadow: 0 0 0 1px var(--mint) inset; }
.in-detail { padding: 6px 2px 10px; }
.note { color: var(--ink); font-size: 14px; margin: 6px 0 10px; }
.note.small { color: var(--mute); font-size: 13px; }
.meter { height: 10px; border-radius: 5px; background: var(--faint); overflow: hidden; margin: 6px 0 8px; }
.meter i { display: block; height: 100%; width: 0; background: var(--spectrum); transition: width .05s; }
.tester { margin: 10px 0 20px; padding: 16px; border-radius: var(--r-lg); background: rgba(246, 242, 255, .035); text-align: center; }
.tester-q { margin: 0 0 12px; color: var(--mute); font-size: 14px; }
.tester-pads { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.tester-pads span { width: 56px; height: 44px; border-radius: 12px; display: grid; place-items: center; font: 700 11px var(--display);
  border: 1px solid color-mix(in srgb, var(--c) 45%, transparent); color: var(--c); background: color-mix(in srgb, var(--c) 8%, transparent); user-select: none; touch-action: manipulation; }
.tester-pads span[data-l="bd"] { width: 100%; max-width: 360px; }
.tester-pads span.hit { animation: thit .35s ease-out; }
@keyframes thit { from { background: var(--c); color: var(--abyss); transform: scale(1.08); } to { transform: scale(1); } }
#inDone { width: 100%; }

/* ---------- 타이밍 맞추기 ---------- */
.calib-ring { width: 200px; height: 200px; margin: 20px auto 10px; border-radius: 50%; display: grid; place-content: center; text-align: center;
  border: 2px solid var(--line); background: radial-gradient(circle, rgba(143, 123, 255, .14), transparent 70%); user-select: none; touch-action: manipulation; cursor: pointer; transition: border-color .1s; }
.calib-ring b { font: 800 64px/1 var(--ui); min-height: 64px; }
.calib-ring span { color: var(--mute); font-size: 13px; }
.calib-ring.pulse { animation: ring .3s ease-out; }
.calib-ring.tap { border-color: var(--mint); }
@keyframes ring { from { box-shadow: 0 0 0 0 rgba(143, 123, 255, .6); } to { box-shadow: 0 0 0 26px rgba(143, 123, 255, 0); } }
.calib-val { text-align: center; color: var(--mute); min-height: 1.5em; font-size: 14px; }
.row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 14px; }

@media (prefers-reduced-motion: reduce) { .banner.pop, .stars i.on, .calib-ring.pulse { animation: none; } }

/* ---------- 카메라 에어 드럼 ---------- */
.cam-bg { position: absolute; inset: 0; pointer-events: none; opacity: .32; overflow: hidden; }
.cam-bg video, .cam-preview video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1) scale(var(--cam-zoom, 2)); transform-origin: 50% 50%; display: block; }
.cam-preview { position: relative; aspect-ratio: 4 / 3; border-radius: var(--r-md); overflow: hidden; background: rgba(12, 9, 38, .7); margin: 8px 0 10px; }
.cam-preview canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
/* 카메라 미리보기: 내 모습 위에 3D 드럼을 겹쳐서 (연주 화면과 같은 모양) */
.cam-preview { aspect-ratio: 3 / 4; }
.cam-preview video { opacity: .5; position: absolute; inset: 0; }   /* 칸을 꽉 채워야 손 좌표 계산(꽉 채우기 기준)과 화면이 맞음 */
.cam-kit { position: absolute; inset: 0; pointer-events: none; }
.inputs { grid-template-columns: 1fr 1fr; }
.inputs .in-opt:last-child:nth-child(odd) { grid-column: 1 / -1; }

/* ---------- 3D 드럼 세트 ---------- */
.kit-bg { position: absolute; inset: 0; pointer-events: none; }
.kit3d-canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; display: block; }
.art.kit-art { position: relative; height: 170px; overflow: hidden; border-radius: var(--r-md); }
.ks-crash { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; color: var(--mute); }
/* 설정 안 '드럼 화면': 이름은 위, 고르는 단추는 아래 한 줄 */
.set.kit-set { grid-template-columns: 1fr auto; row-gap: 8px; }
.set.kit-set .set-name { grid-column: 1 / -1; }
.set.kit-set .seg, .set.kit-set .ks-crash { grid-column: 1 / -1; }
.set.kit-set input[type="range"] { grid-column: 1; }
.settings .group-name { margin: 8px 0 0; }

.in-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0 0 16px; font-size: 13px; color: var(--mute); }

.cam-diag { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--mute); margin: -4px 0 8px; font-variant-numeric: tabular-nums; }

/* 휴대폰: 카메라 미리보기를 패널 여백 밖으로, 화면 좌우 끝까지 → 연주 화면(여백 없음)과 같은 드럼 크기 */
@media (max-width: 600px) {
  .cam-preview { width: 100vw; margin-left: calc(50% - 50vw); margin-right: 0; border-radius: 0; }
}

.dbg-box { margin: 0 0 14px; }
.dbg-box .seg { flex-wrap: wrap; }
.dbg-box .seg button { white-space: nowrap; flex: none; }
.gpu-test { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 10px 0 4px; }
.gpu-test pre { flex-basis: 100%; margin: 0; padding: 10px 12px; border-radius: 10px; background: rgba(8, 6, 28, .6); font: 11.5px/1.55 ui-monospace, Menlo, monospace; white-space: pre-wrap; word-break: break-all; color: var(--ink); max-height: 340px; overflow: auto; }