/* widgets.css — interaction-engineer 소유 (.w-* 전용)
 * 위젯: 온도계(.w-thermo) · 점도 시뮬레이터(.w-visco) · 분출 선택기(.w-eruptsel) · 퀴즈(.w-quiz)
 * 값은 base.css의 --lv-* 디자인 토큰을 소비한다(토큰 미로드 대비 폴백만 하드코딩).
 */

/* ── 공통 셸 ─────────────────────────────────────────────── */
.w-thermo,
.w-visco,
.w-eruptsel,
.w-quiz {
  --w-card-bg: var(--lv-c-bg-raise, #1b1210);
  --w-line: var(--lv-c-line, #3a2620);
  --w-hot: var(--lv-c-magma-hot, #ff8a1e);
  --w-mid: var(--lv-c-magma-mid, #e2521a);
  --w-text: var(--lv-c-text, #f4e9e2);
  --w-dim: var(--lv-c-text-dim, #b79b8f);
  --w-deep: var(--lv-c-bg-deep, #120b0b);
  --w-wrong: #c2412a;
  box-sizing: border-box;
  width: 100%;
  padding: var(--lv-s-5, 24px);
  background: var(--w-card-bg);
  border: 1px solid var(--w-line);
  border-radius: var(--lv-radius-l, 18px);
  color: var(--w-text);
  font-family: var(--lv-ff-body, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif);
}

.w-thermo *,
.w-visco *,
.w-eruptsel *,
.w-quiz * {
  box-sizing: border-box;
}

.w-thermo--disabled,
.w-visco--disabled,
.w-eruptsel--disabled,
.w-quiz--disabled {
  opacity: 0.75;
}

.w-thermo__fallback,
.w-visco__fallback,
.w-eruptsel__fallback,
.w-quiz__fallback {
  margin: 0;
  padding: var(--lv-s-4, 16px);
  text-align: center;
  color: var(--w-dim);
}

/* 포커스 링(접근성 — 절대 제거 금지) */
.w-thermo :focus-visible,
.w-visco :focus-visible,
.w-eruptsel :focus-visible,
.w-quiz :focus-visible,
.w-thermo__input:focus-visible,
.w-visco__input:focus-visible {
  outline: 2px solid var(--w-hot);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ── 온도계 ─────────────────────────────────────────────── */
.w-thermo {
  --w-thermo-h: clamp(240px, 42vh, 340px);
  --w-thermo-fill: 50%;
}

.w-thermo__stage {
  display: flex;
  gap: var(--lv-s-4, 16px);
  height: var(--w-thermo-h);
}

.w-thermo__gauge {
  position: relative;
  flex: none;
  width: 64px;
}

.w-thermo__track {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 18px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: var(--w-deep);
  border: 1px solid var(--w-line);
  overflow: hidden;
  z-index: 1;
}

.w-thermo__fill {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--w-thermo-fill, 0%);
  background-image: linear-gradient(
    to top,
    var(--lv-c-crust, #4a2a20),
    var(--w-mid) 55%,
    var(--w-hot)
  );
  background-size: 100% var(--w-thermo-h);
  background-position: bottom;
  background-repeat: no-repeat;
  transition: height var(--lv-dur-s, 180ms) var(--lv-ease-out, ease-out);
}

.w-thermo__bulb {
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 34px;
  height: 34px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, var(--w-hot), var(--w-mid) 70%);
  box-shadow: 0 0 16px rgba(255, 138, 30, 0.45);
  z-index: 0;
}

.w-thermo__input {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--w-thermo-h);
  height: 40px;
  margin: 0;
  padding: 0;
  transform: translate(-50%, -50%) rotate(-90deg);
  transform-origin: center;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
  z-index: 3;
}

.w-thermo__input::-webkit-slider-runnable-track {
  height: 40px;
  background: transparent;
}
.w-thermo__input::-moz-range-track {
  height: 40px;
  background: transparent;
}
.w-thermo__input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--w-text);
  border: 3px solid var(--w-hot);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}
.w-thermo__input::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--w-text);
  border: 3px solid var(--w-hot);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

.w-thermo__markers {
  position: relative;
  flex: 1;
  height: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.w-thermo__marker {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--pos, 0%);
  display: flex;
  align-items: center;
  gap: var(--lv-s-2, 8px);
  transform: translateY(50%);
  opacity: 0.5;
  transition: opacity var(--lv-dur-s, 180ms) var(--lv-ease-out, ease-out);
}

.w-thermo__marker.is-lit {
  opacity: 1;
}

.w-thermo__marker-tick {
  flex: none;
  width: 16px;
  height: 2px;
  background: var(--w-line);
  transition: background var(--lv-dur-s, 180ms), box-shadow var(--lv-dur-s, 180ms);
}
.w-thermo__marker.is-lit .w-thermo__marker-tick {
  background: var(--w-hot);
  box-shadow: 0 0 8px rgba(255, 138, 30, 0.6);
}

.w-thermo__marker-label {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.w-thermo__marker-value {
  font-family: var(--lv-ff-display, var(--lv-ff-body, sans-serif));
  font-weight: 700;
  font-size: 0.9rem;
}
.w-thermo__marker.is-lit .w-thermo__marker-value {
  color: var(--w-hot);
}
.w-thermo__marker-name {
  font-size: 0.75rem;
  color: var(--w-dim);
}

.w-thermo__readout {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-top: var(--lv-s-4, 16px);
}
.w-thermo__value {
  font-family: var(--lv-ff-display, sans-serif);
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  font-weight: 800;
  color: var(--w-hot);
}
.w-thermo__unit {
  color: var(--w-dim);
  font-size: 1.1rem;
}

/* ── 점도 시뮬레이터 ─────────────────────────────────────── */
.w-visco__stagewrap {
  position: relative;
  border-radius: var(--lv-radius-m, 12px);
  overflow: hidden;
  background: var(--w-deep);
  border: 1px solid var(--w-line);
}
.w-visco__canvas {
  display: block;
  width: 100%;
  height: clamp(200px, 34vh, 300px);
}

.w-visco__band {
  position: absolute;
  top: var(--lv-s-3, 12px);
  left: var(--lv-s-3, 12px);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--w-text);
  background: rgba(18, 11, 11, 0.72);
  border: 1px solid var(--w-line);
  backdrop-filter: blur(2px);
}
.w-visco__band.is-band-0 {
  border-color: var(--w-hot);
  color: var(--w-hot);
}
.w-visco__band.is-band-1 {
  border-color: var(--w-mid);
  color: #ffb37a;
}
.w-visco__band.is-band-2 {
  border-color: var(--w-wrong);
  color: #e0745c;
}

.w-visco__controls {
  display: flex;
  flex-direction: column;
  gap: var(--lv-s-4, 16px);
  margin-top: var(--lv-s-4, 16px);
}

.w-visco__slider-row {
  display: flex;
  flex-direction: column;
  gap: var(--lv-s-2, 8px);
}
.w-visco__slider-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--lv-s-3, 12px);
}
.w-visco__slider-label-text {
  color: var(--w-text);
  font-weight: 600;
}
.w-visco__slider-readout {
  font-family: var(--lv-ff-display, sans-serif);
  font-weight: 700;
  color: var(--w-hot);
}

.w-visco__input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--w-hot), var(--w-wrong));
  cursor: pointer;
}
.w-visco__input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--w-text);
  border: 3px solid var(--w-hot);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}
.w-visco__input::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--w-text);
  border: 3px solid var(--w-hot);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

.w-visco__scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--w-dim);
}

.w-visco__type {
  border-top: 1px solid var(--w-line);
  padding-top: var(--lv-s-3, 12px);
}
.w-visco__type-name {
  margin: 0 0 4px;
  font-size: 1rem;
  font-family: var(--lv-ff-display, sans-serif);
  color: var(--w-text);
}
.w-visco__type-desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--w-dim);
}

/* ── 분출 스타일 선택기 ──────────────────────────────────── */
.w-eruptsel__tabs {
  display: flex;
  gap: var(--lv-s-3, 12px);
}
.w-eruptsel__tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--lv-s-2, 8px);
  padding: var(--lv-s-3, 12px) var(--lv-s-2, 8px);
  border-radius: var(--lv-radius-m, 12px);
  border: 1px solid var(--w-line);
  background: var(--w-deep);
  color: var(--w-dim);
  cursor: pointer;
  transition: border-color var(--lv-dur-s, 180ms), color var(--lv-dur-s, 180ms),
    background var(--lv-dur-s, 180ms), transform var(--lv-dur-s, 180ms);
}
.w-eruptsel__tab:hover {
  border-color: var(--w-mid);
  color: var(--w-text);
}
.w-eruptsel__tab.is-selected {
  border-color: var(--w-hot);
  color: var(--w-text);
  background: linear-gradient(160deg, rgba(255, 138, 30, 0.18), rgba(226, 82, 26, 0.06));
}
.w-eruptsel__tab-name {
  font-family: var(--lv-ff-display, sans-serif);
  font-weight: 600;
}

.w-eruptsel__gauge {
  display: flex;
  gap: 3px;
}
.w-eruptsel__pip {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--w-line);
  transition: background var(--lv-dur-s, 180ms), box-shadow var(--lv-dur-s, 180ms);
}
.w-eruptsel__pip--lg {
  width: 12px;
  height: 12px;
}
.w-eruptsel__pip.is-on {
  background: var(--w-hot);
  box-shadow: 0 0 6px rgba(255, 138, 30, 0.6);
}

.w-eruptsel__panel {
  margin-top: var(--lv-s-4, 16px);
}
.w-eruptsel__panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--lv-s-3, 12px);
}
.w-eruptsel__name {
  margin: 0;
  font-family: var(--lv-ff-display, sans-serif);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}
.w-eruptsel__power {
  display: flex;
  align-items: center;
  gap: var(--lv-s-2, 8px);
}
.w-eruptsel__power-label {
  font-size: 0.8rem;
  color: var(--w-dim);
}
.w-eruptsel__pips {
  display: flex;
  gap: 4px;
}
.w-eruptsel__power-value {
  font-family: var(--lv-ff-display, sans-serif);
  color: var(--w-hot);
  font-weight: 700;
}
.w-eruptsel__desc {
  margin: var(--lv-s-3, 12px) 0;
  color: var(--w-dim);
  line-height: 1.6;
}
.w-eruptsel__example {
  margin: 0;
  font-size: 0.9rem;
  color: var(--w-dim);
}
.w-eruptsel__example-label {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--w-deep);
  border: 1px solid var(--w-line);
  color: var(--w-text);
  font-size: 0.75rem;
}

/* 분출 유형 사진 — 3:2, 하단 스크림으로 다크 테마에 녹여낸다 */
.w-eruptsel__media {
  position: relative;
  margin: var(--lv-s-4, 16px) 0 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--lv-radius-m, 12px);
  border: 1px solid var(--w-line);
  background: var(--w-deep);
}
.w-eruptsel__media.is-empty {
  display: none;
}
.w-eruptsel__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(18, 11, 11, 0.72) 0%,
    rgba(18, 11, 11, 0.28) 34%,
    rgba(18, 11, 11, 0) 62%
  );
}
.w-eruptsel__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── 퀴즈 ──────────────────────────────────────────────── */
.w-quiz__progress {
  display: flex;
  align-items: center;
  gap: var(--lv-s-3, 12px);
  margin-bottom: var(--lv-s-4, 16px);
}
.w-quiz__progress-track {
  display: flex;
  flex: 1;
  gap: 6px;
}
.w-quiz__progress-seg {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--w-line);
  transition: background var(--lv-dur-s, 180ms), box-shadow var(--lv-dur-s, 180ms);
}
.w-quiz__progress-seg.is-done {
  background: var(--w-mid);
}
.w-quiz__progress-seg.is-current {
  background: var(--w-hot);
  box-shadow: 0 0 8px rgba(255, 138, 30, 0.55);
}
.w-quiz__progress-text {
  font-family: var(--lv-ff-display, sans-serif);
  font-size: 0.85rem;
  color: var(--w-dim);
  white-space: nowrap;
}

.w-quiz__stage {
  min-height: 220px;
}

.w-quiz__q {
  margin: 0 0 var(--lv-s-4, 16px);
  font-family: var(--lv-ff-display, sans-serif);
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  line-height: 1.5;
}

.w-quiz__choices {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--lv-s-3, 12px);
}
.w-quiz__choice {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--lv-s-3, 12px);
  padding: var(--lv-s-3, 12px) var(--lv-s-4, 16px);
  text-align: left;
  border-radius: var(--lv-radius-m, 12px);
  border: 1px solid var(--w-line);
  background: var(--w-deep);
  color: var(--w-text);
  font: inherit;
  cursor: pointer;
  transition: border-color var(--lv-dur-s, 180ms), background var(--lv-dur-s, 180ms);
}
.w-quiz__choice:hover:not(:disabled) {
  border-color: var(--w-mid);
}
.w-quiz__choice:disabled {
  cursor: default;
}
.w-quiz__choice.is-correct {
  border-color: var(--w-hot);
  background: rgba(255, 138, 30, 0.16);
}
.w-quiz__choice.is-correct::after {
  content: "정답";
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--w-hot);
}
.w-quiz__choice.is-wrong {
  border-color: var(--w-wrong);
  background: rgba(194, 65, 42, 0.14);
}
.w-quiz__choice.is-wrong::after {
  content: "오답";
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 700;
  color: #e0745c;
}
.w-quiz__choice-marker {
  flex: none;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--w-card-bg);
  border: 1px solid var(--w-line);
  font-family: var(--lv-ff-display, sans-serif);
  font-size: 0.8rem;
}
.w-quiz__choice-text {
  flex: 1;
}

.w-quiz__feedback {
  margin-top: var(--lv-s-4, 16px);
  padding: var(--lv-s-4, 16px);
  border-radius: var(--lv-radius-m, 12px);
  background: var(--w-deep);
  border: 1px solid var(--w-line);
  border-left-width: 3px;
}
.w-quiz__feedback.is-correct {
  border-left-color: var(--w-hot);
}
.w-quiz__feedback.is-wrong {
  border-left-color: var(--w-wrong);
}
.w-quiz__explain {
  margin: 0 0 var(--lv-s-3, 12px);
  color: var(--w-dim);
  line-height: 1.6;
}

.w-quiz__next,
.w-quiz__retry {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--lv-s-3, 12px) var(--lv-s-5, 24px);
  border: none;
  border-radius: var(--lv-radius-m, 12px);
  background: linear-gradient(135deg, var(--w-hot), var(--w-mid));
  color: #1a0e0a;
  font-family: var(--lv-ff-display, sans-serif);
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--lv-dur-s, 180ms), filter var(--lv-dur-s, 180ms);
}
.w-quiz__next:hover,
.w-quiz__retry:hover {
  filter: brightness(1.08);
}
.w-quiz__next:active,
.w-quiz__retry:active {
  transform: translateY(1px);
}

.w-quiz__result {
  text-align: center;
  padding: var(--lv-s-4, 16px) 0;
}
.w-quiz__result-label {
  margin: 0 0 var(--lv-s-2, 8px);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--w-dim);
}
.w-quiz__score {
  margin: 0;
  font-family: var(--lv-ff-display, sans-serif);
}
.w-quiz__score-num {
  font-size: clamp(2.5rem, 9vw, 3.6rem);
  font-weight: 800;
  color: var(--w-hot);
}
.w-quiz__score-sep {
  font-size: 1.4rem;
  color: var(--w-dim);
}
.w-quiz__grade {
  margin: var(--lv-s-2, 8px) 0;
  font-family: var(--lv-ff-display, sans-serif);
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  color: var(--w-text);
}
.w-quiz__grade-msg {
  margin: 0 0 var(--lv-s-4, 16px);
  color: var(--w-dim);
}

/* ── 반응형 / 감속 모션 ──────────────────────────────────── */
@media (max-width: 520px) {
  .w-thermo__gauge {
    width: 48px;
  }
  .w-eruptsel__tab-name {
    font-size: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .w-thermo *,
  .w-visco *,
  .w-eruptsel *,
  .w-quiz * {
    transition: none !important;
  }
}