/* Echo — 스타일
   Beat·Etude와 같은 밤하늘 바탕과 글꼴을 쓰고, 화면의 주인공은 '음높이 순서대로 색이 도는 링' 하나.
   패드 색은 낮은 음(로즈)에서 높은 음(아이리스·마젠타)으로 시계 방향으로 이어짐.
   글꼴: Unbounded(워드마크·숫자) + Pretendard(본문)
   공통 바탕·버튼·이전 버튼·일시정지 창은 /games/common/ui.css */
/* Echo는 화면의 내용 칸이 좁음 (460px) — 이전 버튼도 그 칸 왼쪽 끝에 맞춤 */
.screen { --col-half: 230px; }
.panel { max-width: 460px; }
.panel.pause-panel { max-width: 340px; }
.panel.pause-panel p { margin: 0 0 8px; }
/* 홈 오른쪽 위 설정: 이전 버튼과 같은 높이, 내용 칸 오른쪽 끝 */
.corner-btn { position: absolute; z-index: 3; width: 42px; height: 42px; top: max(8px, env(safe-area-inset-top)); right: max(14px, calc(50% - var(--col-half) - 6px));
  border-radius: 50%; border: 1px solid var(--line); background: rgba(12, 9, 38, 0.45); color: var(--ink); display: inline-grid; place-items: center; cursor: pointer; }
.corner-btn svg { width: 20px; height: 20px; }
.corner-btn:hover { border-color: var(--mute); }

p, li, span, legend { word-break: keep-all; }


/* ---------- 버튼 ---------- */
:focus-visible { outline: 2px solid var(--l2); outline-offset: 3px; }


/* ---------- 홈 ---------- */
.home-inner { display: flex; flex-direction: column; align-items: center; text-align: center; width: 100%; max-width: 460px; }
.hero-ring { width: min(52vw, 200px); aspect-ratio: 1; overflow: visible; margin: 0 0 22px; }
.wordmark { margin: 0 0 10px; font: 900 clamp(48px, 13vw, 64px)/1 var(--display); letter-spacing: -0.04em; }
.lede { margin: 0 0 26px; }   /* 크기·색은 common/ui.css */

.daily {
  width: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px;
  text-align: left; cursor: pointer; font: inherit; color: var(--ink);
  padding: 14px 18px 14px 14px; margin-bottom: 26px;
  border-radius: var(--r-md); border: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(255, 181, 71, 0.16), rgba(255, 111, 145, 0.10) 60%, rgba(246, 242, 255, 0.03));
  transition: border-color .15s, transform .12s;
}
.daily:hover { border-color: var(--l1); }
.daily:active { transform: scale(0.99); }
.daily-date {
  width: 48px; height: 52px; border-radius: 12px; background: var(--ink); color: var(--abyss);
  display: grid; place-items: center; align-content: center; line-height: 1;
  font: 700 20px var(--display);
}
.daily-date small { font: 600 11px var(--ui); margin-bottom: 4px; color: #6A5ACD; }
.daily-body { display: grid; gap: 2px; min-width: 0; }
.daily-body strong { font-size: 17px; }
.daily-body span { color: var(--mute); font-size: 13.5px; }
.daily-score { font: 700 15px var(--display); color: var(--l1); white-space: nowrap; }
.daily-score small { display: block; font: 500 11px var(--ui); color: var(--mute); text-align: right; margin-top: 2px; }

.pick { border: 0; padding: 0; margin: 0 0 20px; width: 100%; min-width: 0; }
.pick legend { padding: 0; margin: 0 0 10px; font-size: 14px; color: var(--mute); text-align: left; width: 100%; }
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mode {
  display: grid; justify-items: start; align-content: start; gap: 3px; text-align: left; cursor: pointer;
  padding: 14px 12px 12px; border-radius: var(--r-md); font: inherit; color: var(--ink);
  background: rgba(246, 242, 255, 0.04); border: 1.5px solid var(--faint);
  transition: border-color .15s, background-color .15s;
}
.mode svg { width: 26px; height: 26px; color: var(--mute); margin-bottom: 6px; transition: color .15s; }
.mode b { font-size: 15.5px; }
.mode span { font-size: 12.5px; line-height: 1.4; color: var(--mute); }
.mode:hover { border-color: var(--line); }
.mode[aria-checked="true"] { border-color: var(--l2); background: rgba(62, 230, 200, 0.10); }
.mode[aria-checked="true"] svg { color: var(--l2); }
.mode[aria-checked="true"] b { color: var(--ink); }

.levels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.level {
  display: flex; align-items: center; gap: 12px;
  text-align: left; cursor: pointer; padding: 12px 12px; border-radius: var(--r-md); font: inherit; color: var(--ink);
  background: rgba(246, 242, 255, 0.04); border: 1.5px solid var(--faint);
  transition: border-color .15s, background-color .15s, opacity .15s;
}
.level b { font: 700 28px/1 var(--display); letter-spacing: -0.03em; }
.level span { display: grid; gap: 2px; }
.level i { font-style: normal; font-size: 14px; font-weight: 600; }
.level em { font-style: normal; font-size: 12px; color: var(--mute); font-variant-numeric: tabular-nums; }
.level em:empty { display: none; }
.level:hover { border-color: var(--line); }
.level[aria-checked="true"] { border-color: var(--l3); background: rgba(143, 123, 255, 0.14); }
.level:disabled { opacity: .35; cursor: not-allowed; }
.pick-note { margin: 10px 0 0; font-size: 13px; color: var(--mute); text-align: left; }

.btn-start { width: 100%; padding: 19px; font-size: 18px; margin-top: 6px; }
#howtoOpen { margin-top: 6px; }

/* ---------- 패널 ---------- */
.panel h2 { margin: 0 0 10px; font-size: 24px; line-height: 1.3; }
.panel p { margin: 0 0 16px; color: var(--mute); text-wrap: pretty; }
.panel.pause-panel h2 { margin: 0 0 10px; font: 700 22px var(--display); }
.muted { color: var(--mute); font-size: 14.5px; }
.error { color: var(--l0) !important; font-weight: 600; margin: 14px 0 0 !important; }

/* 노래 모드 준비 */
.tips { margin: 0 0 24px; padding: 0; list-style: none; display: grid; gap: 8px; }
.tips li { position: relative; padding-left: 18px; font-size: 14.5px; }
.tips li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--l2); }
.vc-step { text-align: left; }
#vcCal { text-align: center; }
.meter { position: relative; width: 180px; height: 180px; margin: 22px auto 16px; display: grid; place-items: center; }
.meter svg { position: absolute; inset: 0; transform: rotate(-90deg); }
.meter-track { fill: none; stroke: var(--faint); stroke-width: 6; }
.meter-fill { fill: none; stroke: var(--l2); stroke-width: 6; stroke-linecap: round; stroke-dasharray: 326.7; stroke-dashoffset: 326.7; transition: stroke-dashoffset .1s linear; }
.meter-note { font: 700 34px/1 var(--display); letter-spacing: -0.02em; }
.meter-level { position: absolute; bottom: 38px; width: 64px; height: 4px; border-radius: 4px; background: var(--faint); overflow: hidden; }
.meter-level i { display: block; height: 100%; width: 0; background: var(--ink); transition: width .06s linear; }
#vcRetry { margin: 0 auto 6px; display: flex; }

/* ---------- 게임 ---------- */
#game { flex-direction: column; justify-content: center; padding: 0 12px; gap: 0; }
.topbar {
  position: absolute; top: 0; left: 0; right: 0;
  display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 12px;
  padding: max(12px, env(safe-area-inset-top)) 14px 0;
}
.gm-title { margin: 0; font-size: 14px; color: var(--mute); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hearts { margin: 0; display: flex; gap: 4px; }
.hearts i { width: 18px; height: 18px; display: block; background: var(--l0); -webkit-mask: var(--heart) center/contain no-repeat; mask: var(--heart) center/contain no-repeat; transition: opacity .3s, transform .3s; }
.hearts i.gone { opacity: .2; transform: scale(.8); background: var(--mute); }

.stage { width: min(94vw, calc(100svh - 230px), 560px); aspect-ratio: 1; position: relative; margin-top: 30px; }
.ring { width: 100%; height: 100%; display: block; overflow: visible; touch-action: none; user-select: none; -webkit-user-select: none; }
.gm-hint { margin: 18px 0 0; min-height: 1.6em; color: var(--ink); font-size: 16px; text-align: center; text-wrap: balance; }
.gm-best { margin: 4px 0 0; min-height: 1.4em; color: var(--mute); font-size: 13.5px; font-variant-numeric: tabular-nums; }

/* 링 패드 — 공통(홈 장식에도 씀) */
.pad { cursor: pointer; outline: none; }
.pad .body { fill: var(--c); fill-opacity: .2; stroke: var(--c); stroke-opacity: .2; stroke-width: 6; stroke-linejoin: round; transition: fill-opacity .22s ease-out, stroke-opacity .22s; }
.pad .glow { fill: var(--c); opacity: 0; filter: blur(14px); transition: opacity .3s ease-out; pointer-events: none; }
.pad .glyph { fill: var(--ink); opacity: .55; transition: opacity .2s, fill .2s; pointer-events: none; }
.pad .label { fill: var(--ink); opacity: .75; font: 600 15px var(--ui); text-anchor: middle; pointer-events: none; }
.pad .key { fill: var(--mute); font: 600 11px var(--display); text-anchor: middle; opacity: 0; pointer-events: none; }
body.kbd .pad .key { opacity: .7; }
.pad .move { transform-box: view-box; transform-origin: 200px 200px; transition: transform .18s ease-out; }
.pad.lit .body { fill-opacity: 1; stroke-opacity: 1; transition-duration: .03s; }
.pad.lit .glow { opacity: .7; transition-duration: .05s; }
.pad.lit .glyph { fill: var(--abyss); opacity: .85; transition-duration: .03s; }
.pad.lit .label { fill: var(--abyss); }
.pad.lit .move { transform: scale(1.025); transition-duration: .05s; }
.pad.hover .body { fill-opacity: .42; stroke-opacity: .42; }
.pad:focus-visible .body { stroke: var(--ink); stroke-opacity: 1; }
.ring.no-shapes .glyph { display: none; }
.ring.waiting .pad { cursor: default; }
.ring.waiting .pad .body { fill-opacity: .14; }
.ring.waiting .pad.lit .body { fill-opacity: 1; }
.pad.miss .body { fill: var(--ink); fill-opacity: .9; }
.pad.answer .body { animation: answer .5s ease-in-out 3; }
@keyframes answer { 50% { fill-opacity: 1; stroke-opacity: 1; } }

/* 가운데 */
.core { fill: rgba(12, 9, 38, 0.72); stroke: var(--faint); stroke-width: 1.5; }
.core-num { fill: var(--ink); font: 700 64px var(--display); text-anchor: middle; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.core-text { fill: var(--mute); font: 600 15px var(--ui); text-anchor: middle; }
.core-num.small { font-size: 40px; }
.prog { fill: none; stroke: var(--ink); stroke-width: 4; stroke-linecap: round; transition: stroke-dashoffset .18s ease-out; transform-box: view-box; transform-origin: 200px 200px; transform: rotate(-90deg); }
.prog-track { fill: none; stroke: var(--faint); stroke-width: 4; }
.ripple { fill: none; stroke: var(--c); stroke-width: 3; transform-box: view-box; transform-origin: 200px 200px; animation: ripple .9s ease-out forwards; pointer-events: none; }
@keyframes ripple { from { opacity: .7; transform: scale(.55); } to { opacity: 0; transform: scale(1.18); } }
.cursor { fill: var(--ink); stroke: var(--abyss); stroke-width: 3; transition: opacity .15s; pointer-events: none; }
.ring.shake { animation: shake .4s ease-in-out; }
@keyframes shake { 20% { transform: translateX(-10px); } 40% { transform: translateX(8px); } 60% { transform: translateX(-6px); } 80% { transform: translateX(3px); } }
.ring.cheer .core { animation: cheer .5s ease-out; }
@keyframes cheer { 40% { fill: rgba(62, 230, 200, 0.35); } }

/* 홈 장식 링 */
.hero-ring .pad { cursor: default; }
.hero-ring .pad .body { fill-opacity: .16; stroke-opacity: .16; transition-duration: .6s; }
.hero-ring .pad.lit .body { fill-opacity: .9; stroke-opacity: .9; transition-duration: .08s; }

/* ---------- 오버레이·시트 ---------- */

.sheet {
  width: min(460px, calc(100% - 24px)); max-height: calc(100svh - 24px);
  padding: 0; border: 1px solid var(--faint); border-radius: var(--r-lg);
  background: #191343; color: var(--ink);
  box-shadow: 0 30px 80px rgba(5, 3, 20, 0.6);
}
.sheet::backdrop { background: rgba(8, 6, 28, 0.6); backdrop-filter: blur(4px); }
.sheet[open] { animation: sheetIn .28s cubic-bezier(.2, .8, .2, 1); }
@keyframes sheetIn { from { opacity: 0; transform: translateY(16px); } }
.sheet-inner { padding: 26px 22px 20px; display: grid; gap: 18px; }
.sheet h2 { margin: 0; font-size: 22px; }
.field { display: grid; gap: 8px; }
.field-name { font-size: 14px; color: var(--mute); }
.field-name small { display: block; font-size: 12.5px; opacity: .8; margin-top: 1px; }
.field.check { grid-template-columns: 1fr auto; align-items: center; }
.field.check .field-name { color: var(--ink); font-size: 15px; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; padding: 4px; gap: 4px; border-radius: 999px; background: rgba(246, 242, 255, 0.06); }
.seg { width: auto; box-shadow: none; }   /* Echo는 칸을 꽉 채우는 나눔 단추 (공통 .seg 위에 덮어씀) */
.seg button { font: 600 14.5px var(--ui); color: var(--mute); background: none; border: 0; border-radius: 999px; padding: 10px 6px; cursor: pointer; transition: background-color .15s, color .15s; }
.seg button[aria-checked="true"] { background: var(--ink); color: var(--abyss); }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 24px; background: transparent; }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: var(--line); }
input[type="range"]::-moz-range-track { height: 4px; border-radius: 4px; background: var(--line); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); margin-top: -9px; box-shadow: 0 0 0 4px rgba(62, 230, 200, 0.25); }
input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border: 0; border-radius: 50%; background: var(--ink); }
input[type="checkbox"] { width: 24px; height: 24px; accent-color: var(--l2); }
#setVoiceReset { justify-self: start; margin-left: -16px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.steps li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; }
.steps svg { width: 40px; height: 40px; }
.steps b { display: block; font-size: 16px; margin-bottom: 2px; }
.steps span { color: var(--mute); font-size: 14.5px; line-height: 1.5; }
.sheet .muted { margin: 0; }

.toast {
  position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); transform: translateX(-50%);
  margin: 0; padding: 12px 18px; border-radius: 999px; z-index: 20;
  background: var(--ink); color: var(--abyss); font-weight: 600; font-size: 15px;
  box-shadow: 0 10px 30px rgba(5, 3, 20, 0.5); animation: toast 2.4s ease both;
}
@keyframes toast { 0% { opacity: 0; transform: translate(-50%, 10px); } 10%, 85% { opacity: 1; transform: translate(-50%, 0); } 100% { opacity: 0; } }

/* ---------- 결과 ---------- */
.result-panel { text-align: center; }
.rs-mode { margin: 0 0 4px !important; font-size: 14px; }
.rs-num { margin: 0 !important; color: var(--ink) !important; font: 900 clamp(96px, 28vw, 140px)/0.95 var(--display); letter-spacing: -0.05em; font-variant-numeric: tabular-nums; animation: numIn .7s cubic-bezier(.2, .9, .25, 1.2) both; }
.rs-num small { font: 700 24px var(--ui); letter-spacing: 0; margin-left: 4px; color: var(--mute); }
@keyframes numIn { from { transform: scale(.6); opacity: 0; filter: blur(8px); } to { transform: none; opacity: 1; filter: none; } }
.rs-line { margin: 8px 0 10px !important; color: var(--ink) !important; font-size: 18px; font-weight: 600; }
.rs-badge { display: inline-block; margin: 0 0 6px !important; padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--l1) !important; background: rgba(255, 181, 71, 0.18); }
.contour-wrap { margin: 18px 0 22px; }
.contour { width: 100%; height: 120px; display: block; overflow: visible; }
.contour .dot { transition: r .12s, opacity .2s; }
.contour .dot.on { r: 7; }
.contour .phrase { fill: rgba(246, 242, 255, 0.04); }
.contour .path { fill: none; stroke: var(--line); stroke-width: 1.5; }
.contour .miss { fill: none; stroke: var(--ink); stroke-width: 2; stroke-dasharray: 3 3; }
.contour-wrap figcaption { word-break: keep-all; text-wrap: balance; margin-top: 8px; font-size: 13px; color: var(--mute); }
.rs-actions { display: grid; gap: 10px; }

@media (max-width: 400px) {
  .mode { padding: 12px 10px 10px; }
  .mode span { font-size: 12px; }
  .level { flex-direction: column; gap: 6px; text-align: center; }
}
@media (max-height: 640px) {
  .stage { margin-top: 44px; }
  .gm-hint { margin-top: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}