:root {
  color-scheme: light;
  --ink: #1d1820;
  --muted: #665f6e;
  --paper: #fffaf5;
  --line: rgba(29, 24, 32, 0.12);
  --shadow: 0 24px 80px rgba(35, 24, 42, 0.16);
  --radius: 8px;
  --era-a: #d7b46a;
  --era-b: #6b3f87;
  --era-c: #c45d71;
  --era-ink: #221629;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 8%, rgba(255, 255, 255, 0.9), transparent 24rem),
    linear-gradient(125deg, #f7ead9 0%, #f3d0cc 28%, #d8d7ed 58%, #c8d9df 100%);
}

button,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  overflow-x: hidden;
}

.stage {
  min-height: 100vh;
  padding: 28px clamp(18px, 4vw, 56px);
}

.quiz-stage {
  position: relative;
}

.hidden {
  display: none !important;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(29, 24, 32, 0.78);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark span {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(29, 24, 32, 0.24);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 48%, rgba(29, 24, 32, 0.25) 48% 52%, transparent 52%),
    radial-gradient(circle, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.05));
  box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.75);
}

.brand-mark p {
  margin: 0;
}

.gallery-link {
  position: absolute;
  z-index: 2;
  top: 28px;
  right: clamp(18px, 4vw, 56px);
  padding: 11px 14px;
  border: 1px solid rgba(29, 24, 32, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.5);
  color: rgba(29, 24, 32, 0.76);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  backdrop-filter: blur(14px);
}

.compact {
  justify-content: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.72fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  margin: clamp(42px, 7vw, 92px) auto 32px;
  max-width: 1180px;
}

.intro h1,
.result-main h2,
.room-title-block h2 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: 0;
}

.intro h1 {
  max-width: 780px;
  display: grid;
  gap: 4px;
}

.title-cn {
  max-width: 900px;
  font-family: "Cormorant Garamond", "STSong", "SimSun", serif;
  font-size: clamp(40px, 7vw, 92px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0.03em;
  text-wrap: balance;
}

.title-en {
  font-size: clamp(58px, 8vw, 118px);
  line-height: 0.94;
}

.eyebrow {
  margin: 0 0 14px;
  color: rgba(29, 24, 32, 0.62);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.intro-copy {
  max-width: 670px;
  color: rgba(29, 24, 32, 0.73);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.75;
}

.mirror-panel {
  min-height: 440px;
  display: grid;
  place-items: center;
}

.mirror-card {
  position: relative;
  width: min(100%, 390px);
  aspect-ratio: 0.78;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.18)),
    linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(29, 24, 32, 0.08)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.22) 0 1px, transparent 1px 16px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.mirror-card::after {
  content: "";
  position: absolute;
  z-index: 2;
  inset: -10%;
  background: linear-gradient(105deg, transparent 0 34%, rgba(255, 255, 255, 0.55) 38% 44%, transparent 50% 100%);
  transform: translateX(-38%);
  pointer-events: none;
}

.mirror-card p {
  position: absolute;
  z-index: 3;
  bottom: 28px;
  margin: 0;
  color: rgba(255, 250, 245, 0.9);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-shadow: 0 2px 16px rgba(29, 24, 32, 0.46);
  text-transform: uppercase;
}

.tour-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.quiz-card,
.result-main,
.advice-panel {
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius);
  background: rgba(255, 250, 245, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.quiz-card {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(18px, 3vw, 30px);
}

.progress-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  color: rgba(29, 24, 32, 0.68);
  font-size: 13px;
  font-weight: 800;
}

.progress-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(29, 24, 32, 0.1);
}

.progress-fill {
  width: 20%;
  height: 100%;
  background: linear-gradient(90deg, var(--era-a), var(--era-c), var(--era-b));
  transition: width 240ms ease;
}

.question-view {
  min-height: 300px;
  padding: clamp(24px, 4vw, 46px) 0 18px;
}

.question-view h2 {
  margin: 0 0 22px;
  max-width: 760px;
  font-size: clamp(25px, 4vw, 46px);
  line-height: 1.12;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.option-card {
  position: relative;
  display: block;
}

.option-card input {
  position: absolute;
  opacity: 0;
}

.option-card span {
  min-height: 92px;
  display: flex;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(29, 24, 32, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.44);
  color: rgba(29, 24, 32, 0.78);
  font-weight: 700;
  line-height: 1.45;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.option-card input:checked + span {
  border-color: rgba(29, 24, 32, 0.42);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.48));
  transform: translateY(-2px);
}

.state-input {
  width: 100%;
  min-height: 160px;
  resize: vertical;
  border: 1px solid rgba(29, 24, 32, 0.16);
  border-radius: var(--radius);
  padding: 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
  line-height: 1.65;
  outline: none;
}

.state-input:focus {
  border-color: rgba(29, 24, 32, 0.46);
}

.state-input:disabled {
  cursor: wait;
  opacity: 0.72;
}

.quiz-card.is-generating .question-view {
  pointer-events: none;
}

.ai-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: -2px 0 18px;
  padding: 14px 16px;
  border: 1px solid rgba(29, 24, 32, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.54);
  color: rgba(29, 24, 32, 0.72);
}

.ai-loading-spinner,
.button-spinner {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  border: 2px solid rgba(255, 255, 255, 0.42);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.ai-loading-spinner {
  width: 22px;
  height: 22px;
  border-color: rgba(29, 24, 32, 0.16);
  border-top-color: var(--ink);
}

.ai-loading strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
}

.ai-loading p {
  margin: 3px 0 0;
  font-size: 13px;
  line-height: 1.45;
}

.form-actions,
.action-row,
.result-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-actions {
  justify-content: space-between;
}

.primary-button,
.secondary-button,
.icon-button {
  border: 0;
  border-radius: var(--radius);
  font-weight: 900;
}

.primary-button,
.secondary-button {
  min-height: 48px;
  padding: 0 22px;
}

.primary-button {
  color: #fff;
  background: #1d1820;
  box-shadow: 0 14px 32px rgba(29, 24, 32, 0.18);
}

.primary-button.is-loading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.primary-button:disabled,
.secondary-button:disabled,
.icon-button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.secondary-button {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(29, 24, 32, 0.12);
}

.icon-button {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
}

.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid rgba(29, 24, 32, 0.1);
}

.solid {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.34);
}

.result-stage {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 16%, color-mix(in srgb, var(--era-a), transparent 42%), transparent 26rem),
    linear-gradient(135deg, color-mix(in srgb, var(--era-a), #fff 54%), color-mix(in srgb, var(--era-c), #fff 58%), color-mix(in srgb, var(--era-b), #fff 60%));
}

.era-sticker-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.result-stage .era-sticker-layer {
  display: none;
}

.era-sticker {
  position: absolute;
  left: var(--x);
  top: -90px;
  width: var(--s);
  height: var(--s);
  color: var(--sticker-color);
  opacity: 0;
  filter: drop-shadow(0 10px 18px rgba(29, 24, 32, 0.16));
  transform: translate3d(0, 0, 0) rotate(var(--r));
  animation: stickerFall var(--d) linear infinite;
  animation-delay: var(--delay);
}

.era-sticker svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.era-sticker.float {
  top: auto;
  bottom: -80px;
  animation-name: stickerFloat;
}

.era-sticker.twinkle {
  top: var(--y);
  animation-name: stickerTwinkle;
  animation-duration: var(--d);
}

.era-sticker.drift {
  top: var(--y);
  animation-name: stickerDrift;
  animation-duration: var(--d);
}

@keyframes stickerFall {
  0% {
    opacity: 0;
    transform: translate3d(0, -10vh, 0) rotate(var(--r)) scale(0.82);
  }
  12%, 78% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--dx), 118vh, 0) rotate(calc(var(--r) + 460deg)) scale(1);
  }
}

@keyframes stickerFloat {
  0% {
    opacity: 0;
    transform: translate3d(0, 12vh, 0) rotate(var(--r)) scale(0.78);
  }
  18%, 76% {
    opacity: 0.78;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--dx), -110vh, 0) rotate(calc(var(--r) + 180deg)) scale(1.06);
  }
}

@keyframes stickerTwinkle {
  0%, 100% {
    opacity: 0;
    transform: translate3d(0, 0, 0) rotate(var(--r)) scale(0.45);
  }
  42%, 58% {
    opacity: 0.95;
    transform: translate3d(var(--dx), -18px, 0) rotate(calc(var(--r) + 90deg)) scale(1.18);
  }
}

@keyframes stickerDrift {
  0% {
    opacity: 0;
    transform: translate3d(-18vw, 0, 0) rotate(var(--r));
  }
  18%, 74% {
    opacity: 0.64;
  }
  100% {
    opacity: 0;
    transform: translate3d(118vw, -28px, 0) rotate(calc(var(--r) + 18deg));
  }
}

.result-toolbar {
  position: relative;
  z-index: 1;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto 30px;
}

.result-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
  align-items: stretch;
}

.result-main,
.advice-panel {
  padding: clamp(24px, 4vw, 42px);
}

.result-main {
  min-height: 560px;
  display: flex;
  flex-direction: column;
}

.result-main h2 {
  color: var(--era-ink);
  font-size: clamp(60px, 10vw, 132px);
}

.score-line {
  margin: 10px 0 22px;
  color: rgba(29, 24, 32, 0.6);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result-copy,
.advice-panel p,
.advice-copy {
  color: rgba(29, 24, 32, 0.74);
  font-size: 17px;
  line-height: 1.85;
}

.result-era-photo {
  position: relative;
  width: min(100%, 520px);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.42);
  box-shadow: 0 18px 52px rgba(29, 24, 32, 0.16);
  margin: 8px 0 22px;
}

.result-era-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.era-effect-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  pointer-events: none;
}

.era-effect-layer span {
  position: absolute;
  left: var(--x);
  top: -12%;
  width: var(--size);
  height: var(--size);
  opacity: 0;
  transform: translate3d(0, 0, 0) rotate(var(--rot));
  animation-delay: var(--delay);
  animation-duration: var(--dur);
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}

.effect-debut .era-effect-layer span {
  border-radius: 50%;
  background: rgba(255, 245, 180, 0.92);
  box-shadow: 0 0 14px rgba(255, 245, 180, 0.9);
  animation-name: floatGlow;
}

.effect-fearless .era-effect-layer span {
  clip-path: polygon(50% 0, 62% 36%, 100% 50%, 62% 64%, 50% 100%, 38% 64%, 0 50%, 38% 36%);
  background: #ffe18a;
  box-shadow: 0 0 18px rgba(255, 221, 118, 0.9);
  animation-name: sparkleFall;
}

.effect-speaknow .era-effect-layer span {
  top: auto;
  bottom: -12%;
  border-radius: 80% 0 80% 0;
  background: rgba(198, 145, 232, 0.86);
  animation-name: petalRiseHalf;
}

.effect-red .era-effect-layer span {
  width: calc(var(--size) * 1.8);
  height: calc(var(--size) * 1.85);
  background:
    linear-gradient(145deg, rgba(255, 177, 89, 0.28), transparent 45%),
    #b7252e;
  clip-path: polygon(
    50% 0,
    58% 22%,
    78% 9%,
    72% 32%,
    98% 32%,
    78% 49%,
    88% 74%,
    62% 64%,
    55% 100%,
    45% 100%,
    38% 64%,
    12% 74%,
    22% 49%,
    2% 32%,
    28% 32%,
    22% 9%,
    42% 22%
  );
  box-shadow: 0 8px 18px rgba(120, 29, 24, 0.18);
  animation-name: leafFall;
}

.effect-red .era-effect-layer span:nth-child(3n) {
  background:
    linear-gradient(145deg, rgba(255, 210, 112, 0.34), transparent 48%),
    #8f1f25;
}

.effect-red .era-effect-layer span:nth-child(4n) {
  background:
    linear-gradient(145deg, rgba(244, 167, 78, 0.36), transparent 46%),
    #c45a28;
}

.effect-1989 .era-effect-layer span,
.effect-era1989 .era-effect-layer span {
  width: calc(var(--size) * 2.3);
  height: 2px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 0 18px rgba(140, 197, 223, 0.9);
  animation-name: skylineFlash;
}

.effect-reputation .era-effect-layer span {
  width: calc(var(--size) * 3);
  height: 2px;
  background: rgba(220, 220, 220, 0.72);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
  animation-name: scanGlitch;
}

.effect-lover .era-effect-layer span {
  background: #f5a7bd;
  clip-path: polygon(50% 84%, 18% 52%, 8% 30%, 16% 12%, 36% 8%, 50% 24%, 64% 8%, 84% 12%, 92% 30%, 82% 52%);
  animation-name: heartRise;
}

.effect-folklore .era-effect-layer span {
  width: calc(var(--size) * 6);
  height: calc(var(--size) * 1.6);
  border-radius: 999px;
  background: rgba(245, 245, 238, 0.34);
  filter: blur(6px);
  animation-name: mistDrift;
}

.effect-evermore .era-effect-layer span {
  border-radius: 50%;
  background: rgba(255, 250, 238, 0.9);
  animation-name: snowFall;
}

.effect-midnights .era-effect-layer span {
  clip-path: polygon(50% 0, 58% 38%, 100% 50%, 58% 62%, 50% 100%, 42% 62%, 0 50%, 42% 38%);
  background: #f0d08a;
  box-shadow: 0 0 14px rgba(201, 183, 232, 0.9);
  animation-name: starTwinkle;
}

.effect-ttpd .era-effect-layer span {
  width: calc(var(--size) * 2.6);
  height: calc(var(--size) * 1.7);
  border-radius: 2px;
  background: rgba(255, 250, 245, 0.8);
  box-shadow: inset 0 -2px rgba(29, 24, 32, 0.16);
  animation-name: paperFall;
}

.effect-showgirl .era-effect-layer span {
  border-radius: 50%;
  background: #f6a640;
  box-shadow: 0 0 16px rgba(242, 111, 157, 0.9);
  animation-name: confettiGlow;
}

@keyframes floatGlow {
  0% { opacity: 0; transform: translate3d(0, 90%, 0) scale(0.7); }
  20%, 80% { opacity: 0.9; }
  100% { opacity: 0; transform: translate3d(var(--drift), -260%, 0) scale(1.1); }
}

@keyframes sparkleFall {
  0% { opacity: 0; transform: translate3d(0, -20%, 0) rotate(var(--rot)) scale(0.5); }
  18%, 70% { opacity: 1; }
  100% { opacity: 0; transform: translate3d(var(--drift), 720%, 0) rotate(540deg) scale(1); }
}

@keyframes petalFall {
  0% { opacity: 0; transform: translate3d(0, -40%, 0) rotate(var(--rot)); }
  15%, 78% { opacity: 0.82; }
  100% { opacity: 0; transform: translate3d(var(--drift), 760%, 0) rotate(460deg); }
}

@keyframes petalRiseHalf {
  0% { opacity: 0; transform: translate3d(0, 40%, 0) rotate(var(--rot)); }
  18%, 72% { opacity: 0.78; }
  100% { opacity: 0; transform: translate3d(var(--drift), -360%, 0) rotate(260deg); }
}

@keyframes leafFall {
  0% { opacity: 0; transform: translate3d(0, -40%, 0) rotate(var(--rot)); }
  15%, 82% { opacity: 0.9; }
  100% { opacity: 0; transform: translate3d(var(--drift), 780%, 0) rotate(620deg); }
}

@keyframes skylineFlash {
  0%, 100% { opacity: 0; transform: translate3d(-30%, 220%, 0); }
  35%, 55% { opacity: 0.9; }
  70% { opacity: 0; transform: translate3d(80%, 320%, 0); }
}

@keyframes scanGlitch {
  0% { opacity: 0; transform: translate3d(-80%, 120%, 0); }
  20%, 38% { opacity: 0.78; }
  42% { transform: translate3d(40%, 160%, 0); }
  100% { opacity: 0; transform: translate3d(120%, 240%, 0); }
}

@keyframes heartRise {
  0% { opacity: 0; transform: translate3d(0, 720%, 0) rotate(var(--rot)) scale(0.55); }
  18%, 72% { opacity: 0.82; }
  100% { opacity: 0; transform: translate3d(var(--drift), -160%, 0) rotate(180deg) scale(1); }
}

@keyframes mistDrift {
  0% { opacity: 0; transform: translate3d(-80%, 260%, 0); }
  25%, 75% { opacity: 0.75; }
  100% { opacity: 0; transform: translate3d(140%, 180%, 0); }
}

@keyframes snowFall {
  0% { opacity: 0; transform: translate3d(0, -40%, 0); }
  12%, 82% { opacity: 0.92; }
  100% { opacity: 0; transform: translate3d(var(--drift), 760%, 0); }
}

@keyframes starTwinkle {
  0%, 100% { opacity: 0; transform: translate3d(0, 240%, 0) scale(0.4) rotate(var(--rot)); }
  38%, 58% { opacity: 1; transform: translate3d(var(--drift), 260%, 0) scale(1.2) rotate(180deg); }
}

@keyframes paperFall {
  0% { opacity: 0; transform: translate3d(0, -40%, 0) rotate(var(--rot)); }
  16%, 76% { opacity: 0.78; }
  100% { opacity: 0; transform: translate3d(var(--drift), 760%, 0) rotate(260deg); }
}

@keyframes confettiGlow {
  0% { opacity: 0; transform: translate3d(0, -60%, 0) rotate(var(--rot)) scale(0.6); }
  18%, 80% { opacity: 0.95; }
  100% { opacity: 0; transform: translate3d(var(--drift), 760%, 0) rotate(720deg) scale(1); }
}

.keyword-row,
.palette-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 28px;
}

.keyword-row span {
  padding: 9px 12px;
  border: 1px solid rgba(29, 24, 32, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.52);
  color: rgba(29, 24, 32, 0.72);
  font-size: 13px;
  font-weight: 800;
}

.palette-row span {
  width: 54px;
  height: 54px;
  border: 5px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(29, 24, 32, 0.12);
}

.panel-label {
  margin: 0 0 12px;
  color: rgba(29, 24, 32, 0.5);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.advice-panel h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.advice-copy {
  margin-top: 16px;
}

.advice-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
}

.advice-list li {
  padding-left: 4px;
}

.song-panel {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  padding: 16px;
  border: 1px solid rgba(29, 24, 32, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.5);
}

.song-panel .panel-label {
  margin-bottom: 2px;
}

.song-panel strong {
  color: var(--era-ink);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 30px;
  line-height: 1;
}

.song-panel span,
.song-panel em {
  color: rgba(29, 24, 32, 0.68);
  font-size: 13px;
  line-height: 1.55;
}

.song-panel em {
  display: block;
  font-style: normal;
  color: rgba(29, 24, 32, 0.58);
}

.action-row {
  flex-wrap: wrap;
  margin-top: 28px;
}

.action-row .primary-button,
.action-row .secondary-button {
  flex: 1 1 0;
  min-width: 0;
}

.room-stage {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  color: #fff;
  background: #111;
}

.room-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, color-mix(in srgb, var(--era-a), #000 20%), transparent 42%),
    radial-gradient(circle at 78% 20%, color-mix(in srgb, var(--era-c), transparent 18%), transparent 24rem),
    linear-gradient(165deg, var(--era-b), #17121e 72%);
}

.room-bg::before,
.room-bg::after {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 60px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 60px);
  transform: rotate(-10deg);
  animation: drift 16s linear infinite;
}

.room-bg::after {
  filter: blur(24px);
  opacity: 0.45;
  animation-duration: 24s;
}

@keyframes drift {
  to {
    transform: translate3d(-80px, 40px, 0) rotate(-10deg);
  }
}

.room-topbar,
.room-content {
  position: relative;
  z-index: 1;
}

.room-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.room-topbar p {
  margin: 0;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.room-content {
  min-height: calc(100vh - 82px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "title"
    "video";
  align-content: center;
  align-items: center;
  justify-items: center;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(26px, 4vh, 46px) 0;
}

.room-title-block {
  grid-area: title;
}

.room-title-block h2 {
  max-width: 980px;
  font-size: clamp(42px, 7vw, 92px);
  text-align: center;
}

.room-title-block .eyebrow {
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
}

.era-video-panel {
  grid-area: video;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  width: min(100%, 1040px);
  min-width: 0;
  padding: clamp(14px, 2vw, 18px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(15, 12, 20, 0.48);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.era-video-copy {
  display: grid;
  gap: 8px;
}

.era-video-copy .eyebrow {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.68);
}

.era-video-copy h3 {
  margin: 0;
  color: #fff;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(25px, 3.2vw, 40px);
  line-height: 1;
  letter-spacing: 0;
}

.era-video-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.55;
}

.era-video-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.era-video-actions a {
  width: fit-content;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.era-video-player {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.4);
  aspect-ratio: 16 / 9;
}

.era-video-player iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}

.era-video-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 20px;
  color: rgba(255, 255, 255, 0.86);
  text-align: center;
}

.era-video-fallback strong {
  font-size: 16px;
}

.era-video-fallback span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.5;
}

.era-video-choices {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-height: 236px;
  overflow: auto;
  padding-right: 2px;
}

.era-video-choice {
  min-width: 0;
  min-height: 72px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  text-align: left;
}

.era-video-choice.active {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.18);
}

.era-video-choice span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.era-video-choice strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
  line-height: 1.25;
}

.share-modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 24px;
}

.share-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 17, 24, 0.48);
  backdrop-filter: blur(12px);
}

.share-panel {
  position: relative;
  width: min(940px, 100%);
  max-height: calc(100vh - 48px);
  display: grid;
  grid-template-columns: minmax(260px, 390px) minmax(280px, 1fr);
  gap: 22px;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  background: rgba(255, 250, 245, 0.94);
  box-shadow: var(--shadow);
  padding: clamp(16px, 3vw, 24px);
}

.share-art {
  display: grid;
  place-items: center;
  min-height: 420px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.36)),
    repeating-linear-gradient(90deg, rgba(29, 24, 32, 0.06) 0 1px, transparent 1px 18px);
}

.share-art img {
  width: min(100%, 330px);
  display: block;
  border-radius: var(--radius);
  box-shadow: 0 18px 54px rgba(29, 24, 32, 0.22);
}

.share-controls {
  align-self: center;
}

.share-controls h3 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
}

.share-controls > p:not(.panel-label) {
  color: rgba(29, 24, 32, 0.68);
  line-height: 1.7;
}

.share-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.share-actions button {
  width: 100%;
}

@keyframes pulse {
  to {
    transform: scaleY(2.1);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (min-width: 821px) {
  .stage {
    min-height: 100vh;
    padding: 18px clamp(24px, 3vw, 42px);
  }

  .gallery-link {
    top: 18px;
    right: clamp(24px, 3vw, 42px);
    padding: 13px 18px;
    border-color: rgba(29, 24, 32, 0.28);
    background: #1d1820;
    color: #fff;
    box-shadow: 0 14px 34px rgba(29, 24, 32, 0.18);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: clamp(22px, 3vw, 44px);
    margin: clamp(22px, 4vh, 44px) auto 18px;
    max-width: 1160px;
  }

  .title-cn {
    font-size: clamp(34px, 4.5vw, 58px);
    line-height: 0.94;
  }

  .title-en {
    font-size: clamp(48px, 6.2vw, 80px);
    line-height: 0.9;
  }

  .intro-copy {
    max-width: 620px;
    margin: 14px 0 0;
    font-size: 16px;
    line-height: 1.55;
  }

  .mirror-panel {
    min-height: 286px;
  }

  .mirror-card {
    width: 300px;
    aspect-ratio: 0.95;
  }

  .quiz-card {
    max-width: 1160px;
    padding: 18px 24px;
  }

  .question-view {
    min-height: 210px;
    padding: 20px 0 12px;
  }

  .question-view h2 {
    margin-bottom: 14px;
    font-size: clamp(24px, 2.6vw, 34px);
  }

  .option-grid {
    gap: 10px;
  }

  .option-card span {
    min-height: 66px;
    padding: 13px 15px;
    font-size: 14px;
    line-height: 1.38;
  }

  .state-input {
    min-height: 116px;
  }

  .primary-button,
  .secondary-button,
  .icon-button {
    min-height: 42px;
  }

  .icon-button {
    width: 42px;
    height: 42px;
  }

  .result-toolbar {
    max-width: 1180px;
    margin-bottom: 12px;
  }

  .result-grid {
    grid-template-columns: minmax(0, 1fr) 350px;
    gap: 14px;
    max-width: 1180px;
  }

  .result-main,
  .advice-panel {
    padding: 20px 24px;
  }

  .result-main {
    min-height: calc(100vh - 72px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    grid-template-areas:
      "eyebrow photo"
      "title photo"
      "score photo"
      "copy photo"
      "keywords palette";
    column-gap: 22px;
    row-gap: 8px;
    align-content: start;
  }

  .result-main > .eyebrow {
    grid-area: eyebrow;
  }

  .result-main h2 {
    grid-area: title;
    font-size: clamp(44px, 5.4vw, 72px);
    line-height: 0.92;
  }

  .score-line {
    grid-area: score;
    margin: 8px 0 12px;
    font-size: 12px;
  }

  .result-copy {
    grid-area: copy;
  }

  .result-copy,
  .advice-panel p,
  .advice-copy {
    font-size: 13px;
    line-height: 1.5;
  }

  .result-era-photo {
    grid-area: photo;
    width: 100%;
    aspect-ratio: 3 / 4;
    margin: 0;
    align-self: start;
  }

  .keyword-row,
  .palette-row {
    gap: 8px;
    margin-top: 0;
    padding-top: 10px;
  }

  .keyword-row {
    grid-area: keywords;
  }

  .palette-row {
    grid-area: palette;
    justify-content: end;
    align-content: start;
  }

  .keyword-row span {
    padding: 7px 10px;
    font-size: 12px;
  }

  .palette-row span {
    width: 38px;
    height: 38px;
    border-width: 4px;
  }

  .advice-panel h3 {
    font-size: 22px;
  }

  .song-panel {
    margin-top: 14px;
    padding: 14px;
  }

  .song-panel strong {
    font-size: 26px;
  }

  .action-row {
    margin-top: 18px;
  }
}

@media (max-width: 820px) {
  .stage {
    padding: 20px 16px;
  }

  .brand-mark {
    min-height: 40px;
    max-width: calc(100% - 132px);
    align-items: center;
  }

  .brand-mark p {
    line-height: 1.15;
  }

  .gallery-link {
    top: 20px;
    right: 16px;
    left: auto;
    padding: 10px 12px;
    font-size: 11px;
    letter-spacing: 0.06em;
  }

  .hero-grid,
  .result-grid,
  .option-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    margin-top: 30px;
    gap: 22px;
  }

  .intro .eyebrow {
    width: fit-content;
    margin: 0 0 12px;
    padding: 7px 10px;
    border: 1px solid rgba(29, 24, 32, 0.12);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.45);
    font-size: 10px;
    letter-spacing: 0.12em;
    line-height: 1;
    backdrop-filter: blur(12px);
  }

  .intro h1 {
    gap: 6px;
  }

  .title-cn {
    font-size: clamp(34px, 11vw, 44px);
    line-height: 1.02;
    letter-spacing: 0.01em;
  }

  .title-en {
    font-size: clamp(48px, 15vw, 62px);
    line-height: 0.94;
  }

  .intro-copy {
    margin: 14px 0 0;
    font-size: 15px;
    line-height: 1.65;
  }

  .mirror-panel {
    min-height: 210px;
  }

  .mirror-card {
    aspect-ratio: 1.65;
  }

  .question-view {
    min-height: 390px;
  }

  .option-card span {
    min-height: 78px;
  }

  .result-main {
    min-height: 500px;
  }

  .action-row .primary-button,
  .action-row .secondary-button {
    width: 100%;
  }

  .share-modal {
    padding: 10px;
    align-items: end;
  }

  .share-panel {
    max-height: calc(100vh - 20px);
    grid-template-columns: 1fr;
  }

  .share-art {
    min-height: 360px;
  }

  .share-art img {
    width: min(100%, 260px);
  }

  .share-actions {
    grid-template-columns: 1fr;
  }

  .room-content {
    min-height: auto;
    grid-template-columns: 1fr;
    grid-template-areas:
      "title"
      "video";
    align-content: start;
    gap: 22px;
    padding: 32px 0 42px;
  }

  .room-title-block h2 {
    font-size: clamp(48px, 17vw, 78px);
  }

  .era-video-panel {
    padding: 12px;
  }

  .era-video-choices {
    grid-template-columns: 1fr;
    max-height: 310px;
  }

  .era-video-choice {
    min-height: 62px;
  }
}