/* 불량 검사기 */
.ts { padding-top: 28px; min-height: 60vh; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }

/* 첫 화면 */
.ts-intro { display: grid; gap: 24px; padding: 18px 0 8px; }
@media (min-width: 900px) { .ts-intro { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: center; gap: 40px; } }
.ts-intro h1 { font-size: 40px; }
@media (max-width: 600px) { .ts-intro h1 { font-size: 32px; } }
.ts-intro .lead { font-size: 19px; color: var(--ink); font-weight: 700; }
.ts-rules { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 8px; }
.ts-rules li { display: flex; gap: 10px; align-items: baseline; }
.ts-rules b { color: var(--signal); min-width: 1.4em; }
.ts-preview { margin: 0; }
.legend { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 10px 0 0; padding: 0; color: var(--slate); }
.legend li { margin: 0; display: inline-flex; align-items: center; gap: 6px; }

/* 점 격자 */
.dots { display: block; width: 100%; height: auto; }
.dots circle { fill: var(--c0); transition: fill 0.45s ease, stroke 0.45s ease; }
.dots.s1 .th, .dots.s1 .tm { fill: var(--c1); }
.dots.s2 .tm { fill: var(--panel); stroke: var(--c1); stroke-width: 1.4; }
.dots.s3 .fh { fill: var(--c2); }
.sw { display: inline-block; width: 12px; height: 12px; border-radius: 50%; flex: none; background: var(--c0); }
.sw.th { background: var(--c1); }
.sw.fh { background: var(--c2); }

/* 한 판 */
.ts-play { display: grid; gap: 18px; grid-template-areas: "scene" "ask" "board" "verdict"; }
@media (min-width: 900px) {
  .ts-play { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); grid-template-areas: "scene ask" "board verdict" "board ."; column-gap: 32px; align-items: start; }
}
.scene { grid-area: scene; }
.ask { grid-area: ask; }
.board { grid-area: board; }
#verdict { grid-area: verdict; min-width: 0; }
.who { font-size: 13.5px; color: var(--slate); display: flex; justify-content: space-between; gap: 8px; }
.say { font-size: 18px; font-weight: 700; line-height: 1.5; margin: 4px 0 12px; }
.nums { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.nums li { margin: 0; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 10px; display: flex; flex-direction: column; gap: 2px; }
.nums .k { font-size: 13.5px; color: var(--slate); font-weight: 700; line-height: 1.35; }
.nums b { font-size: 26px; line-height: 1.2; letter-spacing: -0.02em; }
.nums .d { font-size: 13px; color: var(--slate); line-height: 1.4; }
@media (max-width: 420px) { .nums b { font-size: 22px; } .nums li { padding: 8px; } }
.note { margin: 10px 0 0; }

.ask .k { font-size: 14px; color: var(--slate); margin: 0 0 4px; }
.ask h2 { font-size: 21px; margin: 0 0 14px; }

/* 짐작 막대 */
.gauge { position: relative; padding: 0 14px; cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none; border-radius: 12px; }
.gauge .track { position: relative; height: 56px; }
.gauge .track::before { content: ""; position: absolute; left: 0; right: 0; top: 23px; height: 10px; border-radius: 5px; background: var(--panel); border: 1px solid var(--line); }
.gauge .fill { position: absolute; left: 0; top: 23px; height: 10px; width: 0; border-radius: 5px; background: var(--ink); }
.gauge .knob { position: absolute; top: 14px; width: 28px; height: 28px; margin-left: -14px; border-radius: 50%; background: var(--bg); border: 3px solid var(--ink); box-shadow: 0 2px 8px rgba(20, 18, 40, 0.2); }
.gauge .knob[hidden] { display: none; }
.gauge .ticks { position: relative; height: 22px; font-size: 13px; color: var(--slate); }
.gauge .ticks span { position: absolute; top: 0; transform: translateX(-50%); white-space: nowrap; font-variant-numeric: tabular-nums; }
.gauge .ticks span::before { content: ""; position: absolute; left: 50%; top: -8px; width: 1px; height: 6px; background: var(--slate); }
.gauge .ticks span.minor { color: transparent; }
@media (min-width: 600px) { .gauge .ticks span.minor { color: var(--slate); } }
.gauge.done { cursor: default; opacity: 0.75; }
.gv { margin: 8px 0 12px; font-size: 16px; color: var(--slate); }
.gv b { font-size: 30px; color: var(--ink); margin-left: 6px; }
.btn.wide { width: 100%; }
.btn:disabled { cursor: default; background: var(--panel); border-color: var(--line); color: var(--slate); box-shadow: none; }

.board .cap, .recap .cap { font-size: 14px; font-weight: 700; margin: 0 0 8px; }
.steps { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 4px; min-height: 0; }
.steps li { margin: 0; display: flex; align-items: center; gap: 8px; font-size: 15px; }

.verdict { padding: 14px 16px; border-radius: 12px; background: var(--panel); }
.verdict p { margin: 0 0 8px; }
.verdict .frac { font-size: 18px; font-weight: 800; margin-bottom: 2px; }
.verdict .eq { font-size: 16px; color: var(--slate); }
.verdict .eq b { font-size: 26px; color: var(--ink); margin-left: 4px; }
.verdict .head { font-size: 17px; font-weight: 800; margin-top: 4px; }
.verdict .btn { margin-top: 14px; }
.split { display: flex; gap: 2px; height: 14px; border-radius: 7px; overflow: hidden; margin: 2px 0 10px; }
.split .th { background: var(--c1); min-width: 4px; }
.split .fh { background: var(--c2); }

/* 내 짐작과 정답을 같은 막대 위에 */
.ans { position: relative; padding: 26px 0 28px; margin: 4px 8px 6px; }
.ans .bar { position: relative; height: 12px; border-radius: 6px; background: var(--bg); border: 1px solid var(--line); }
.ans .band { position: absolute; top: -1px; bottom: -1px; background: color-mix(in srgb, var(--c1) 22%, transparent); border-radius: 4px; }
.ans .mk { position: absolute; top: -6px; width: 4px; height: 22px; margin-left: -2px; border-radius: 2px; }
.ans .mk.me { background: var(--ink); }
.ans .mk.ans-mk { background: var(--c1); }
.ans .pin { position: absolute; transform: translateX(-50%); white-space: nowrap; font-size: 13.5px; font-weight: 700; }
.ans .pin.l { transform: translateX(-4px); }
.ans .pin.r { transform: translateX(calc(-100% + 4px)); }
.ans .pin em { font-style: normal; font-variant-numeric: tabular-nums; }
.ans .pin.me { top: 0; color: var(--ink); }
.ans .pin.an { bottom: 0; color: var(--ink); }

/* 남들 짐작 */
.ts-hist { display: block; width: 100%; max-width: 420px; height: auto; }
.ts-hist .o { fill: var(--c0); }
.ts-hist .me { fill: var(--c2); }
.ts-hist text { font-size: 11px; fill: var(--slate); font-family: var(--font); }
.ts-hist text.t { fill: var(--ink); font-weight: 800; }
.ts-hist .an { fill: var(--c1); }
.ts-hist text.an { fill: var(--ink); font-weight: 800; }

.prog { display: flex; gap: 4px; margin: 0 0 14px; }
.prog i { flex: 1; height: 6px; border-radius: 3px; background: var(--line); }
.prog i.ok { background: var(--c1); }
.prog i.no { background: var(--c2); }
.prog i.now { background: var(--ink); }

/* 결과 */
.res { display: grid; gap: 22px; }
@media (min-width: 900px) { .res { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 36px; } }
.res .big { font-size: 40px; font-weight: 900; letter-spacing: -0.02em; line-height: 1.2; margin: 4px 0 6px; }
@media (max-width: 600px) { .res .big { font-size: 32px; } }
.res .score { font-size: 18px; font-weight: 700; margin: 0 0 14px; }
.rule { padding: 14px 16px; border-radius: 12px; background: var(--panel); }
.rule .k { font-size: 14px; color: var(--signal); font-weight: 700; margin: 0 0 2px; }
.rule p { margin: 0; font-size: 17px; font-weight: 700; }
.res .acts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.recap .rc + .rc { border-top: 1px solid var(--line); padding-top: 10px; }
.recap .rt { display: flex; justify-content: space-between; gap: 8px; margin: 0; font-size: 15px; }
.recap .rt .ok { color: var(--ink); font-weight: 700; }
.recap .rt .off { color: var(--slate); }
.recap .ans .bar { background: var(--bg); }

.friend { padding: 16px; border-radius: var(--r); border: 1px solid var(--line); background: var(--panel); margin: 0 0 22px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 10px; font-size: 15px; z-index: 9; }