/* ============================================================
   NEON DECK — 아케이드 스크린 단일 테마.
   모든 색은 토큰에서 명시적으로 칠한다(호스트 배경 의존 없음).
   ============================================================ */

:root {
  --ink:        #0B0A14;
  --ink-2:      #100E1D;
  --panel:      #16142A;
  --panel-up:   #1F1C3A;
  --panel-hi:   #292347;
  --line:       rgba(150,138,224,.20);
  --line-hi:    rgba(150,138,224,.40);

  --amber:      #FFA62B;
  --amber-hot:  #FF6B3D;

  --mint:       #3BE0C0;
  --violet:     #8B6BFF;
  --coral:      #FF5C7A;

  --fg:         #F3F0FF;
  --fg-mid:     #B9B2DF;
  --fg-dim:     #7B739F;

  --cut: 16px;

  --font-disp: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
  --font-kr:   "Black Han Sans", "Malgun Gothic", sans-serif;
  --font-body: "IBM Plex Sans KR", "Malgun Gothic", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--fg);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.scan {
  position: fixed; inset: 0; z-index: 90; pointer-events: none;
  background: repeating-linear-gradient(180deg,
    rgba(255,255,255,.028) 0 1px, rgba(0,0,0,0) 1px 3px);
}

.glowfield {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(760px 420px at 12% -6%,  rgba(255,166,43,.16), transparent 62%),
    radial-gradient(680px 460px at 96% 4%,   rgba(139,107,255,.16), transparent 62%),
    radial-gradient(900px 500px at 50% 112%, rgba(59,224,192,.10), transparent 64%);
}

/* ---------- 프리미티브 ---------- */

.cut {
  clip-path: polygon(
    0 0, calc(100% - var(--cut)) 0, 100% var(--cut),
    100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.eyebrow {
  font-family: var(--font-disp);
  font-size: .66rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--fg-dim);
}

.data { font-family: var(--font-disp); font-weight: 600; font-variant-numeric: tabular-nums; }

:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.sr {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ============================================================
   DECK
   ============================================================ */

.deck {
  position: relative; z-index: 1;
  width: min(1440px, 100%);
  min-height: 100%;
  margin: 0 auto;
  padding: 22px 22px 18px;
  display: flex; flex-direction: column; gap: 14px;
}

/* ---------- HUD ---------- */

.hud {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 20px;
  padding: 11px 20px;
  background: linear-gradient(180deg, var(--panel-up), var(--panel));
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  background: linear-gradient(140deg, var(--amber), var(--amber-hot));
  color: #1A0E00;
  font-family: var(--font-disp); font-weight: 700;
  transform: skewX(-8deg);
  box-shadow: 0 0 22px rgba(255,166,43,.45);
}
.brand-mark span { transform: skewX(8deg); }

.brand-name {
  font-family: var(--font-disp); font-weight: 700; font-size: .98rem;
  letter-spacing: .17em; line-height: 1;
}
.brand-sub {
  font-family: var(--font-disp); font-size: .58rem; font-weight: 600;
  letter-spacing: .22em; color: var(--fg-dim); margin-top: 4px;
}

.modes { display: flex; gap: 4px; justify-self: center; }

.mode {
  padding: 8px 20px;
  font-family: var(--font-disp); font-size: .76rem; font-weight: 600;
  letter-spacing: .09em; color: var(--fg-dim);
  transform: skewX(-10deg);
  transition: color .16s, background .16s;
}
.mode > span { display: block; transform: skewX(10deg); }
.mode:hover { color: var(--fg); background: rgba(255,255,255,.05); }
.mode[aria-current="true"] {
  color: #1A0E00;
  background: linear-gradient(160deg, var(--amber), var(--amber-hot));
}

.hud-right { display: flex; align-items: center; gap: 14px; }

.credit {
  display: flex; align-items: baseline; gap: 5px;
  font-family: var(--font-disp); font-size: .66rem; font-weight: 600;
  letter-spacing: .12em; color: var(--fg-dim);
}
.credit b { color: var(--mint); font-size: .95rem; letter-spacing: .02em; font-variant-numeric: tabular-nums; }

.p1 {
  display: flex; align-items: center; gap: 9px;
  padding: 6px 14px 6px 8px;
  background: var(--ink-2); border: 1px solid var(--line);
}
.p1-av {
  width: 24px; height: 24px; flex: none;
  background: conic-gradient(from 210deg, var(--violet), var(--mint), var(--amber), var(--violet));
  clip-path: polygon(50% 0, 100% 28%, 100% 72%, 50% 100%, 0 72%, 0 28%);
}
.p1-name { font-family: var(--font-disp); font-size: .72rem; font-weight: 700; letter-spacing: .11em; }
.p1-sub {
  font-family: var(--font-disp); font-size: .58rem; letter-spacing: .12em;
  color: var(--amber); font-variant-numeric: tabular-nums;
}

/* ============================================================
   STAGE
   ============================================================ */

.stage {
  display: grid;
  grid-template-columns: minmax(360px, 5fr) minmax(400px, 7fr);
  gap: 14px;
  align-items: stretch;   /* 두 패널 높이를 맞춰 덱처럼 보이게 */
  flex: 1; min-height: 0;
}
.stage > * { min-width: 0; }

/* ---------- 좌: NOW PLAYING ---------- */

.now {
  display: flex; flex-direction: column; gap: 16px;
  padding: 20px;
  background: linear-gradient(180deg, rgba(255,166,43,.055), transparent 32%), var(--panel);
  border: 1px solid var(--line);
}

.now-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

.live {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-disp); font-size: .62rem;
  font-weight: 700; letter-spacing: .2em; color: var(--amber);
}
.live::before {
  content: ""; width: 7px; height: 7px; background: var(--amber);
  border-radius: 50%; box-shadow: 0 0 10px var(--amber);
}
body.is-playing .live::before { animation: pulse 1.6s ease-in-out infinite; }
body:not(.is-playing) .live { color: var(--fg-dim); }
body:not(.is-playing) .live::before { background: var(--fg-dim); box-shadow: none; }
@keyframes pulse { 50% { opacity: .25; transform: scale(.7); } }

/* 재킷 */
.jacket-wrap { display: grid; place-items: center; padding: 2px 0; }

.jacket {
  position: relative;
  width: clamp(170px, 20vw, 244px);
  aspect-ratio: 1;
  /* 곡이 없을 때의 기본 플레이트. 트랙이 선택되면 JS가 재킷으로 덮어쓴다 */
  background:
    repeating-linear-gradient(58deg, rgba(0,0,0,.3) 0 3px, rgba(0,0,0,0) 3px 12px),
    linear-gradient(150deg, #241C44, #120E22 72%);
  background-size: cover; background-position: center;
  border: 1px solid var(--line-hi);
  box-shadow: 0 26px 60px rgba(0,0,0,.62);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  transition: transform .5s cubic-bezier(.2,.8,.2,1);
}
body.is-playing .jacket { transform: scale(1.02); }

.jacket-glyph {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-disp);
  font-size: clamp(3rem, 5vw, 4.4rem);
  font-weight: 700; font-style: italic;
  color: rgba(255,255,255,.9);
  text-shadow: 0 0 34px rgba(0,0,0,.6);
}
.jacket.has-cover .jacket-glyph { display: none; }

.jacket-tag {
  position: absolute; left: -8px; bottom: 18px;
  padding: 6px 16px 6px 20px;
  background: var(--amber); color: #1A0E00;
  font-family: var(--font-disp); font-size: .66rem;
  font-weight: 700; letter-spacing: .14em;
  transform: skewX(-10deg);
  box-shadow: 0 6px 22px rgba(255,166,43,.4);
}
.jacket-tag span { display: block; transform: skewX(10deg); }

/* 곡 정보 */
.now-meta { text-align: center; display: flex; flex-direction: column; gap: 5px; min-width: 0; }

.now-title {
  margin: 0;
  font-family: var(--font-kr); font-weight: 400;
  font-size: clamp(1.6rem, 2.6vw, 2.35rem);
  line-height: 1.08; text-wrap: balance;
  background: linear-gradient(180deg, #FFFFFF 32%, #C9BDF5);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  overflow-wrap: anywhere;
}
.now-artist {
  margin: 0;
  font-family: var(--font-disp); font-size: .8rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--fg-mid);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.stats {
  display: flex; margin-top: 6px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat { flex: 1; padding: 9px 4px; display: flex; flex-direction: column; gap: 3px; align-items: center; min-width: 0; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat-k { font-family: var(--font-disp); font-size: .56rem; font-weight: 700; letter-spacing: .16em; color: var(--fg-dim); }
.stat-v {
  font-family: var(--font-disp); font-size: 1rem; font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%;
}
.stat-v.is-a { color: var(--amber); }
.stat-v.is-m { color: var(--mint); }

/* 노트 레인 = 실제 스펙트럼 */
.lane {
  position: relative; height: 96px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent), var(--ink-2);
  border: 1px solid var(--line);
  overflow: hidden;
}
.lane-grid {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, rgba(150,138,224,.11) 0 1px, transparent 1px 44px);
}
.lane-canvas { position: absolute; inset: 8px 8px 10px; width: calc(100% - 16px); height: calc(100% - 18px); }
.lane-judge {
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--mint), transparent);
  box-shadow: 0 0 16px var(--mint);
}
.lane-tag {
  position: absolute; top: 7px; left: 10px;
  font-family: var(--font-disp); font-size: .55rem;
  font-weight: 700; letter-spacing: .2em; color: var(--fg-dim);
}
.lane-count {
  position: absolute; top: 5px; right: 10px;
  display: flex; align-items: baseline; gap: 5px;
  font-family: var(--font-disp); font-weight: 700;
  text-shadow: 0 0 18px rgba(255,166,43,.5);
}
.lane-count b { font-size: 1.3rem; font-variant-numeric: tabular-nums; color: var(--amber); }
.lane-count i { font-size: .55rem; font-style: normal; letter-spacing: .2em; color: var(--fg-dim); }

/* 게이지 */
.gauge { display: flex; align-items: center; gap: 12px; }
.gauge-t {
  font-family: var(--font-disp); font-size: .74rem; font-weight: 600;
  font-variant-numeric: tabular-nums; color: var(--fg-mid); min-width: 40px;
}
.gauge-t.is-end { text-align: right; color: var(--fg-dim); }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  flex: 1; height: 10px; margin: 0; padding: 0;
  background: var(--ink-2);
  border: 1px solid var(--line);
  cursor: pointer;
  transform: skewX(-16deg);
  background-image: linear-gradient(115deg, var(--amber), var(--amber-hot));
  background-repeat: no-repeat;
  background-size: var(--pct, 0%) 100%;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 5px; height: 18px; border: 0; border-radius: 0;
  background: #FFF; box-shadow: 0 0 12px #FFF;
}
input[type="range"]::-moz-range-thumb {
  width: 5px; height: 18px; border: 0; border-radius: 0;
  background: #FFF; box-shadow: 0 0 12px #FFF;
}
input[type="range"]::-moz-range-progress { background: transparent; }

/* 트랜스포트 */
.transport { display: flex; align-items: center; justify-content: center; gap: 10px; }

.pad {
  display: grid; place-items: center;
  width: 52px; height: 46px;
  background: linear-gradient(180deg, var(--panel-hi), var(--panel-up));
  border: 1px solid var(--line-hi);
  color: var(--fg-mid); font-size: 1rem;
  transform: skewX(-9deg);
  transition: transform .12s, background .16s, color .16s, box-shadow .16s;
}
.pad > span { transform: skewX(9deg); }
.pad:hover {
  color: var(--fg);
  background: linear-gradient(180deg, #322A56, var(--panel-hi));
  box-shadow: 0 0 0 1px var(--line-hi), 0 6px 18px rgba(0,0,0,.4);
}
.pad:active { transform: skewX(-9deg) translateY(2px); }

.pad-start {
  width: auto; height: 56px; padding: 0 32px;
  background: linear-gradient(160deg, var(--amber), var(--amber-hot));
  border-color: transparent; color: #1A0E00;
  box-shadow: 0 10px 30px rgba(255,107,61,.34), 0 0 0 1px rgba(255,255,255,.14) inset;
}
.pad-start > span {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-disp); font-size: .94rem; font-weight: 700; letter-spacing: .16em;
}
.pad-start:hover { filter: brightness(1.07); background: linear-gradient(160deg, var(--amber), var(--amber-hot)); }

/* 모디파이어 + 볼륨 */
.mods { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.mod {
  position: relative;
  padding: 7px 13px;
  background: var(--ink-2); border: 1px solid var(--line);
  font-family: var(--font-disp); font-size: .66rem; font-weight: 700;
  letter-spacing: .13em; color: var(--fg-dim);
  transition: color .16s, border-color .16s, background .16s;
}
.mod:hover { color: var(--fg); border-color: var(--line-hi); }
.mod[aria-pressed="true"], .mod[data-mode="all"], .mod[data-mode="one"] {
  color: var(--mint); border-color: rgba(59,224,192,.5); background: rgba(59,224,192,.1);
}
.mod[data-mode="one"]::after {
  content: "1";
  position: absolute; top: 1px; right: 3px;
  font-size: .5rem; line-height: 1;
}

.vol { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.vol-btn { color: var(--fg-dim); font-size: .85rem; padding: 4px; }
.vol-btn:hover { color: var(--fg); }
.vol input[type="range"] {
  flex: none; width: 96px; height: 8px;
  background-image: linear-gradient(90deg, var(--violet), var(--mint));
}

/* ---------- 우: TRACK SELECT ---------- */

.select {
  display: flex; flex-direction: column; gap: 13px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  min-height: 0;
}

.select-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

.select-title {
  margin: 0;
  font-family: var(--font-disp); font-size: 1rem; font-weight: 700;
  letter-spacing: .19em; text-transform: uppercase;
}
.select-title small {
  display: block; margin-top: 5px;
  font-family: var(--font-body); font-size: .74rem;
  font-weight: 400; letter-spacing: 0; color: var(--fg-dim);
}

.find {
  display: flex; align-items: center; gap: 8px;
  padding: 0 12px;
  min-width: 200px;
  background: var(--ink-2); border: 1px solid var(--line);
  transform: skewX(-9deg);
  transition: border-color .16s;
}
.find:focus-within { border-color: var(--amber); }
.find > * { transform: skewX(9deg); }
.find-i { color: var(--fg-dim); font-size: .85rem; }
.find input {
  flex: 1; min-width: 0;
  padding: 9px 0;
  font: inherit; font-size: .8rem; color: var(--fg);
  background: none; border: 0;
}
.find input::placeholder { color: var(--fg-dim); }
.find input:focus { outline: none; }
.find-key {
  font-family: var(--font-disp); font-size: .56rem; font-weight: 700;
  letter-spacing: .1em; color: var(--fg-dim);
  padding: 2px 6px; border: 1px solid var(--line);
}

/* 트랙 리스트 */
.tracks {
  list-style: none; margin: 0; padding: 2px 4px 2px 0;
  display: flex; flex-direction: column; gap: 6px;
  flex: 1 1 auto; min-height: 150px; overflow-y: auto;
  scrollbar-width: thin; scrollbar-color: var(--line-hi) transparent;
}
.tracks::-webkit-scrollbar { width: 8px; }
.tracks::-webkit-scrollbar-thumb { background: var(--line-hi); }

.row {
  position: relative;
  display: grid;
  grid-template-columns: 30px 40px 1fr auto auto auto;
  align-items: center; gap: 13px;
  padding: 10px 15px;
  cursor: pointer;
  transition: transform .16s cubic-bezier(.2,.8,.2,1);
}
.row::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background: var(--panel-up);
  border: 1px solid var(--line);
  border-left: 3px solid var(--tier, var(--violet));
  transform: skewX(-8deg);
  transition: background .16s, border-color .16s, box-shadow .16s;
}
.row > * { position: relative; z-index: 1; }
.row:hover { transform: translateX(7px); }
.row:hover::before { background: var(--panel-hi); border-color: var(--line-hi); border-left-color: var(--tier, var(--violet)); }

.row.is-current::before {
  background: linear-gradient(96deg, rgba(255,166,43,.2), var(--panel-hi) 62%);
  border-color: rgba(255,166,43,.42);
  border-left: 4px solid var(--amber);
  box-shadow: 0 0 26px rgba(255,166,43,.18), 0 8px 24px rgba(0,0,0,.4);
}

.row-no {
  font-family: var(--font-disp); font-size: .8rem; font-weight: 700;
  font-variant-numeric: tabular-nums; color: var(--fg-dim); text-align: right;
}
.row.is-current .row-no { color: var(--amber); }

.row-thumb {
  width: 38px; height: 38px;
  background-size: cover; background-position: center;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.row-meta { min-width: 0; }
.row-title {
  font-size: .9rem; font-weight: 500; color: var(--fg);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.row.is-current .row-title { color: var(--amber); font-weight: 600; }
.row-artist {
  margin-top: 2px;
  font-family: var(--font-disp); font-size: .64rem; font-weight: 600;
  letter-spacing: .13em; text-transform: uppercase; color: var(--fg-dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.tier {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  min-width: 58px; padding: 4px 7px;
  border: 1px solid var(--tier); color: var(--tier);
}
.tier-n { font-family: var(--font-disp); font-size: .55rem; font-weight: 700; letter-spacing: .12em; }
.tier-v { font-family: var(--font-disp); font-size: .88rem; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1; }

.row-len {
  font-family: var(--font-disp); font-size: .74rem; font-weight: 600;
  font-variant-numeric: tabular-nums; color: var(--fg-dim);
  min-width: 44px; text-align: right;
}

.row-del {
  width: 24px; height: 24px; padding: 0;
  display: grid; place-items: center;
  font-size: .95rem; line-height: 1; color: var(--fg-dim);
  opacity: 0;
  transition: opacity .15s, color .15s, background .15s;
}
.row:hover .row-del, .row-del:focus-visible { opacity: 1; }
.row-del:hover { color: var(--coral); background: rgba(255,92,122,.14); }

.mini { display: flex; align-items: flex-end; gap: 2px; height: 14px; width: 18px; margin-left: auto; }
.mini i { flex: 1; height: 30%; background: var(--amber); }
body.is-playing .row.is-current .mini i { animation: eq 620ms ease-in-out infinite alternate; }
@keyframes eq { from { height: 15%; } to { height: 100%; } }

.empty {
  padding: 34px 14px; text-align: center;
  font-size: .82rem; color: var(--fg-dim); line-height: 1.7;
}

/* 카트리지 슬롯 */
.slot {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 16px;
  padding: 15px 17px;
  background: linear-gradient(180deg, rgba(59,224,192,.055), transparent), var(--ink-2);
  border: 1.5px dashed rgba(59,224,192,.38);
  transition: border-color .18s, background .18s;
}
.slot.is-over, .slot:hover {
  border-color: var(--mint);
  background: linear-gradient(180deg, rgba(59,224,192,.1), transparent), var(--ink-2);
}

.slot-cart {
  width: 40px; height: 44px; position: relative; flex: none;
  background: linear-gradient(170deg, var(--panel-hi), var(--panel-up));
  border: 1px solid rgba(59,224,192,.4);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 70% 100%, 0 100%);
}
.slot-cart::after {
  content: ""; position: absolute; left: 8px; right: 8px; top: 9px; height: 12px;
  background: repeating-linear-gradient(90deg, var(--mint) 0 2px, transparent 2px 5px);
  opacity: .65;
}
.slot-title { font-size: .88rem; font-weight: 600; }
.slot-desc { margin-top: 3px; font-size: .73rem; color: var(--fg-dim); line-height: 1.5; }

.slot-btn {
  display: inline-block;
  padding: 10px 20px;
  background: rgba(59,224,192,.12);
  border: 1px solid var(--mint); color: var(--mint);
  font-family: var(--font-disp); font-size: .72rem; font-weight: 700; letter-spacing: .14em;
  transform: skewX(-9deg); cursor: pointer;
  transition: background .16s, color .16s;
}
.slot-btn > span { display: block; transform: skewX(9deg); }
.slot-btn:hover { background: var(--mint); color: #05201B; }

/* ---------- 커맨드 스트립 ---------- */

.cmd {
  display: flex; align-items: center; gap: 8px 22px; flex-wrap: wrap;
  padding: 11px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--violet);
}
.cmd-set { display: flex; align-items: center; gap: 7px; }
.cmd-key {
  min-width: 26px; padding: 3px 7px;
  background: var(--panel-up); border: 1px solid var(--line-hi);
  font-family: var(--font-disp); font-size: .62rem; font-weight: 700;
  letter-spacing: .06em; text-align: center; color: var(--fg);
}
.cmd-label { font-size: .73rem; color: var(--fg-dim); }
.cmd-host {
  margin-left: auto;
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-disp); font-size: .62rem; font-weight: 700;
  letter-spacing: .14em; color: var(--fg-dim);
}
.cmd-host b { color: var(--mint); }

/* ---------- 반응형 ---------- */

@media (max-width: 1080px) {
  /* minmax(0,...) 없이 1fr 만 쓰면 min-content 가 트랙보다 커져 가로로 넘친다.
     align-content: start 가 없으면 남는 높이가 두 패널 사이 여백으로 분배된다 */
  .stage {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    align-content: start;
  }
  .hud { grid-template-columns: 1fr auto; row-gap: 12px; }
  .modes { grid-column: 1 / -1; justify-self: start; flex-wrap: wrap; }
  .tracks { max-height: 52vh; }
}

@media (max-width: 720px) {
  .deck { padding: 12px 10px; }
  .row { grid-template-columns: 26px 1fr auto auto; gap: 10px; padding: 10px 12px; }
  .row-thumb, .row-len { display: none; }
  .slot { grid-template-columns: 1fr; gap: 12px; }
  .slot-btn { justify-self: start; }
  .hud-right .credit { display: none; }
  .vol { margin-left: 0; }
  .vol input[type="range"] { width: 76px; }
}

@media (max-width: 560px) {
  /* 4개 스탯을 한 줄에 넣으면 라벨이 잘린다 — 2×2 로 접는다 */
  .stats { flex-wrap: wrap; }
  .stat { flex: 1 1 50%; min-width: 50%; }
  .stat + .stat { border-left: 0; }
  .stat:nth-child(2n) { border-left: 1px solid var(--line); }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .now, .select { padding: 16px 14px; }
  .select-head { flex-direction: column; align-items: stretch; }
  .find { min-width: 0; }
  .transport { gap: 8px; }
  .pad { width: 46px; }
  .pad-start { padding: 0 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .mini i { height: 60%; }
}