:root {
  color-scheme: light;
  --theme: #b08968;
  --theme-soft: #f1e0ce;
  --ink: #2f2a26;
  --muted: #75685d;
  --paper: #fffaf0;
  --surface: rgba(255, 250, 240, .82);
  --shadow: 0 24px 60px rgba(86, 54, 34, .18);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(244, 162, 97, .16), transparent 34%),
    linear-gradient(225deg, rgba(74, 111, 165, .14), transparent 38%),
    #efe4d4;
}

button {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  padding: 22px;
}

.play-area,
.side-panel {
  border: 1px solid rgba(74, 53, 37, .16);
  background: rgba(255, 250, 240, .64);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.play-area {
  border-radius: 28px;
  padding: 22px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 16px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.kicker {
  margin: 0 0 4px;
  color: var(--theme);
  font-size: 13px;
  font-weight: 900;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1;
  letter-spacing: 0;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(74, 53, 37, .18);
  background: var(--paper);
  color: var(--ink);
  display: inline-grid;
  place-items: center;
  font-weight: 900;
  cursor: pointer;
}

.score-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.score-strip > div {
  min-height: 66px;
  border-radius: 16px;
  background: rgba(255, 250, 240, .72);
  border: 1px solid rgba(74, 53, 37, .13);
  padding: 12px 14px;
}

.score-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.score-strip strong {
  display: block;
  margin-top: 4px;
  font-size: 22px;
  line-height: 1.1;
}

.tabletop {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  gap: 14px;
}

.deck-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  scrollbar-width: thin;
}

.theme-chip {
  flex: 0 0 auto;
  border: 1px solid rgba(74, 53, 37, .18);
  background: rgba(255, 250, 240, .74);
  color: var(--ink);
  border-radius: 999px;
  padding: 9px 13px;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.theme-chip.is-active {
  background: var(--theme);
  border-color: var(--theme);
  color: white;
}

.card-stage {
  min-height: 500px;
  display: grid;
  grid-template-columns: 54px minmax(260px, 420px) 54px;
  justify-content: center;
  align-items: center;
  gap: 18px;
  perspective: 1200px;
}

.swipe-zone {
  width: min(100%, 390px);
  touch-action: pan-y;
}

.draw-card {
  position: relative;
  width: 100%;
  height: clamp(500px, 68vh, 660px);
  border: 0;
  outline: none;
  transform-style: preserve-3d;
  transition: transform .55s cubic-bezier(.2, .8, .2, 1), opacity .2s ease;
  cursor: pointer;
}

.draw-card.is-flipped {
  transform: rotateY(180deg);
}

.draw-card.is-drawing {
  animation: drawPulse .42s ease;
}

@keyframes drawPulse {
  0% { transform: translateY(0) scale(1); opacity: .72; }
  52% { transform: translateY(-10px) scale(1.018); opacity: 1; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

.card-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 28px;
  border: 3px solid var(--theme);
  background:
    repeating-linear-gradient(90deg, rgba(70, 44, 24, .035) 0 1px, transparent 1px 13px),
    var(--paper);
  box-shadow: 0 28px 80px rgba(85, 52, 32, .22);
  backface-visibility: hidden;
  padding: 82px 28px 34px;
}

.card-face.back {
  transform: rotateY(180deg);
}

.card-band {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 58px;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--theme);
  color: white;
  font-size: 14px;
  font-weight: 900;
}

.stamp {
  position: absolute;
  right: 22px;
  top: 76px;
  width: 48px;
  height: 48px;
  border: 3px solid var(--theme);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--paper);
  color: var(--theme);
  font-size: 19px;
  font-weight: 900;
}

.quote-mark {
  color: var(--theme);
  font-family: Georgia, serif;
  font-size: 34px;
  line-height: 1;
  margin: 0 0 10px;
}

.card-face h2 {
  position: relative;
  z-index: 2;
  margin: 0 0 18px;
  max-width: 330px;
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.28;
  letter-spacing: 0;
}

.prompt-title {
  position: relative;
  z-index: 2;
  margin: 0 0 6px;
  color: var(--theme);
  font-size: 13px;
  font-weight: 900;
}

.prompt-text {
  position: relative;
  z-index: 2;
  max-width: 310px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.interaction {
  position: relative;
  z-index: 2;
  margin: 18px 0 0;
  color: var(--theme);
  font-size: 13px;
  font-weight: 900;
}

.card-footer {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 22px;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  color: var(--theme);
  font-size: 12px;
  font-weight: 900;
}

.branch-art {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 170px;
  background:
    radial-gradient(circle at 70% 46%, var(--theme) 0 4px, transparent 5px),
    radial-gradient(circle at 39% 63%, var(--theme) 0 5px, transparent 6px),
    linear-gradient(142deg, transparent 0 54%, var(--theme) 55% 56%, transparent 57%),
    linear-gradient(28deg, transparent 0 63%, var(--theme) 64% 65%, transparent 66%),
    linear-gradient(180deg, transparent 0 42%, color-mix(in srgb, var(--theme) 22%, white) 43%);
  opacity: .84;
}

.arrow-button {
  width: 54px;
  height: 72px;
  border-radius: 18px;
  border: 1px solid rgba(74, 53, 37, .16);
  background: rgba(255, 250, 240, .74);
  color: var(--theme);
  font-size: 40px;
  font-weight: 500;
  cursor: pointer;
}

.controls {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 10px;
}

.primary-button,
.secondary-button {
  min-height: 52px;
  border-radius: 16px;
  padding: 0 18px;
  font-weight: 900;
  cursor: pointer;
}

.primary-button {
  border: 0;
  background: var(--theme);
  color: white;
  box-shadow: 0 16px 32px color-mix(in srgb, var(--theme) 35%, transparent);
}

.secondary-button {
  border: 1px solid rgba(74, 53, 37, .18);
  background: rgba(255, 250, 240, .78);
  color: var(--ink);
}

.keyword-panel {
  border-radius: 18px;
  border: 1px solid rgba(74, 53, 37, .14);
  background: rgba(255, 250, 240, .66);
  padding: 13px 14px;
}

.keyword-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-weight: 900;
}

.keyword-head button {
  border: 0;
  background: transparent;
  color: var(--theme);
  font-weight: 900;
  cursor: pointer;
}

.keyword-list,
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag,
.empty-keywords {
  border-radius: 999px;
  padding: 7px 10px;
  background: color-mix(in srgb, var(--theme) 16%, white);
  color: #4b3f37;
  font-size: 13px;
  font-weight: 800;
}

.tag {
  border: 1px solid color-mix(in srgb, var(--theme) 42%, white);
  cursor: pointer;
}

.empty-keywords {
  color: var(--muted);
}

.side-panel {
  border-radius: 28px;
  padding: 20px;
  align-self: stretch;
  display: grid;
  align-content: start;
  gap: 14px;
}

.panel-block {
  border-radius: 18px;
  padding: 18px;
  background: rgba(255, 250, 240, .72);
  border: 1px solid rgba(74, 53, 37, .13);
}

.panel-block h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.panel-block ol {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.8;
}

.panel-block p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.compact {
  border-left: 7px solid var(--theme);
}

.rules-dialog {
  width: min(560px, calc(100vw - 32px));
  border: 0;
  border-radius: 24px;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 28px 90px rgba(50, 31, 20, .36);
}

.rules-dialog::backdrop {
  background: rgba(47, 42, 38, .36);
}

.rules-dialog form {
  padding: 22px;
}

.dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.dialog-head h2 {
  margin: 0;
}

.rule-grid {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px 12px;
  margin-top: 18px;
}

.rule-grid span {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--theme);
  color: white;
  font-weight: 900;
}

.rule-grid p {
  margin: 0;
  align-self: center;
  color: var(--muted);
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .side-panel {
    display: none;
  }

  .card-stage {
    grid-template-columns: 1fr;
  }

  .arrow-button {
    display: none;
  }

  .swipe-zone {
    justify-self: center;
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: max(12px, env(safe-area-inset-top)) 12px 12px;
  }

  .play-area {
    min-height: calc(100vh - 24px);
    border-radius: 22px;
    padding: 15px;
  }

  .score-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .score-strip > div {
    min-height: 58px;
    padding: 10px;
  }

  .score-strip strong {
    font-size: 18px;
  }

  .card-stage {
    min-height: 470px;
  }

  .draw-card {
    height: clamp(470px, 62vh, 560px);
  }

  .card-face {
    border-radius: 24px;
    padding: 76px 24px 32px;
  }

  .card-face h2 {
    font-size: 28px;
  }

  .controls {
    grid-template-columns: 1fr 1fr;
  }

  .primary-button {
    grid-column: 1 / -1;
  }
}