:root {
  --bg: #100d16;
  --panel: rgba(255, 241, 217, 0.08);
  --panel-strong: rgba(255, 241, 217, 0.12);
  --line: rgba(255, 222, 166, 0.2);
  --text: #fff2dc;
  --muted: #cbb99f;
  --gold: #f5c56f;
  --orange: #ef9140;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, rgba(239, 145, 64, 0.22), transparent 25%),
    radial-gradient(circle at 80% 78%, rgba(245, 197, 111, 0.12), transparent 24%),
    linear-gradient(135deg, #0d0b12 0%, #1f1528 48%, #3a1c32 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 50%, #000 20%, transparent 78%);
}

button,
textarea,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

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

h1 {
  margin-bottom: 0;
  font-size: 25px;
}

h2 {
  margin-bottom: clamp(6px, 1vh, 10px);
  font-size: clamp(24px, 3.5vw, 40px);
  line-height: 1.15;
}

.app-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh; /* 动态视口高度，防止移动端地址栏影响 */
  min-height: 0;
  padding: clamp(8px, 1.5vh, 14px) clamp(10px, 2vw, 18px);
  overflow: hidden;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 24px);
  width: 100%;
  max-width: 1280px;
  margin: 0 auto clamp(8px, 1.5vh, 12px);
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark,
.blessing-box span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: #2a1404;
  background: linear-gradient(145deg, #ffd78c, var(--orange));
  font-weight: 900;
  box-shadow: 0 0 28px rgba(239, 145, 64, 0.35);
}

.brand p,
.label {
  margin: 0;
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.quota-display {
  display: flex;
  gap: 12px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 6, 12, 0.34);
}

.quota-display > div {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(245, 197, 111, 0.08);
}

.quota-display span {
  color: var(--muted);
  font-size: 13px;
}

.quota-display strong {
  color: var(--gold);
  font-size: 18px;
  font-weight: 900;
}

.stage-card {
  position: relative;
  width: 100%;
  max-width: 1280px;
  flex: 1;
  min-height: 0;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: clamp(20px, 4vw, 34px);
  background:
    radial-gradient(circle at 50% 28%, rgba(245, 197, 111, 0.15), transparent 30%),
    radial-gradient(circle at 50% 76%, rgba(239, 145, 64, 0.18), transparent 24%),
    rgba(17, 12, 24, 0.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.stage-card::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -70px;
  width: min(900px, 92%);
  height: 350px;
  border: 1px solid rgba(245, 197, 111, 0.2);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 45%, rgba(245, 197, 111, 0.12), transparent 38%),
    linear-gradient(180deg, rgba(105, 48, 68, 0.36), rgba(32, 21, 40, 0.72));
  transform: translateX(-50%);
  pointer-events: none;
}

.step-section {
  position: relative;
  z-index: 2;
  display: none;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch; /* iOS 平滑滚动 */
}

.step-section[style*="display: flex"] {
  display: flex;
}

.step-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.5vh, 32px);
  width: 100%;
  min-height: 100%;
  padding: clamp(16px, 2.5vh, 32px) clamp(16px, 2vw, 32px);
}

.copy-block {
  max-width: 720px;
}

.copy-block h2 {
  text-wrap: balance;
}

.copy-block.centered {
  margin: 0 auto;
  text-align: center;
}

.copy-block p:not(.label),
.question-summary,
.reading-text,
.hint,
.blessing-box p {
  color: var(--muted);
  line-height: 1.65;
}

/* 兑换码表单 */
.code-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: min(540px, 100%);
}

.code-form input {
  width: 100%;
  min-height: 56px;
  padding: 0 24px;
  border: 2px solid rgba(245, 197, 111, 0.3);
  border-radius: 16px;
  color: var(--text);
  background: rgba(8, 6, 12, 0.5);
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 2px;
  outline: none;
  transition: all 0.2s ease;
}

.code-form input:focus {
  border-color: var(--gold);
  background: rgba(8, 6, 12, 0.7);
  box-shadow: 0 0 0 4px rgba(245, 197, 111, 0.1);
}

/* 提问表单 */
.question-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 100%;
  max-width: 980px;
}

.question-input-line {
  width: 100%;
  max-width: 880px;
  min-height: 64px;
  padding: 0 32px;
  border: 2px solid rgba(245, 197, 111, 0.3);
  border-radius: 999px;
  color: var(--text);
  background: rgba(8, 6, 12, 0.5);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 800;
  text-align: center;
  outline: none;
  transition: all 0.2s ease;
}

.question-input-line:focus {
  border-color: var(--gold);
  background: rgba(8, 6, 12, 0.7);
  box-shadow: 0 0 0 4px rgba(245, 197, 111, 0.1);
}

.question-input-line::placeholder {
  color: var(--muted);
  opacity: 0.6;
}

/* 按钮样式 */
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.primary-button,
.ghost-button {
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 850;
  transition: all 0.2s ease;
}

.primary-button {
  border: 0;
  color: #2a1404;
  background: linear-gradient(135deg, #ffd98a, var(--orange));
  box-shadow: 0 14px 34px rgba(239, 145, 64, 0.28);
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(239, 145, 64, 0.35);
}

.ghost-button {
  border: 1px solid rgba(245, 197, 111, 0.28);
  color: var(--text);
  background: rgba(245, 197, 111, 0.08);
}

.ghost-button:hover:not(:disabled) {
  background: rgba(245, 197, 111, 0.15);
  border-color: rgba(245, 197, 111, 0.4);
}

/* 洗牌动画区域 */
.shuffle-stage {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: clamp(300px, 45vh, 450px);
  max-height: 450px;
}

.energy-ring {
  position: absolute;
  width: min(320px, 38vh, 80vw);
  height: min(320px, 38vh, 80vw);
  border: 2px solid rgba(245, 197, 111, 0.3);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 197, 111, 0.18), transparent 65%);
  animation: energyPulse 3s ease-in-out infinite;
}

.ring-large {
  width: min(420px, 48vh, 90vw);
  height: min(420px, 48vh, 90vw);
  border-width: 1px;
  animation-delay: -1.5s;
  opacity: 0.5;
}

.shuffle-deck {
  position: relative;
  z-index: 2;
}

.deck-pile {
  position: relative;
  width: clamp(80px, 12vw, 120px);
  height: clamp(125px, 18.75vw, 188px);
}

.shuffle-card {
  position: absolute;
  left: 0;
  top: 0;
  width: clamp(80px, 12vw, 120px);
  height: clamp(125px, 18.75vw, 188px);
  border: 2px solid rgba(245, 197, 111, 0.4);
  border-radius: clamp(12px, 2vw, 18px);
  background-image: url("/cards/0.webp");
  background-size: cover;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  animation: shuffleRotate 3s ease-in-out infinite;
  animation-delay: calc(var(--i) * -0.6s);
}

.cut-deck-container {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.cut-deck {
  position: absolute;
  left: 50%;
  top: 50%;
  width: clamp(75px, 11vw, 110px);
  height: clamp(117px, 17.2vw, 172px);
  margin-left: clamp(-37.5px, -5.5vw, -55px);
  margin-top: clamp(-58.5px, -8.6vw, -86px);
  border: 2px solid rgba(245, 197, 111, 0.45);
  border-radius: clamp(12px, 2vw, 18px);
  background-image: url("/cards/0.webp");
  background-size: cover;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.cut-deck.left {
  animation: cutLeft 3s ease-in-out infinite;
}

.cut-deck.right {
  animation: cutRight 3s ease-in-out infinite;
}

/* 抽牌区域 */
.draw-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(8px, 1.5vh, 12px);
  width: 100%;
  margin-bottom: clamp(10px, 2vh, 16px);
  flex-shrink: 0;
}

.draw-counter {
  min-width: 96px;
  padding: 10px 20px;
  border: 2px solid rgba(245, 197, 111, 0.4);
  border-radius: 999px;
  color: var(--gold);
  background: rgba(245, 197, 111, 0.12);
  font-size: 18px;
  font-weight: 900;
  text-align: center;
}

.question-summary {
  max-width: 720px;
  text-align: center;
  font-size: 15px;
}

.full-deck {
  position: relative;
  width: 100%;
  height: clamp(260px, 38vh, 340px);
  max-width: 1100px;
  margin: 0 auto;
  flex-shrink: 0;
}

.deck-card {
  position: absolute;
  left: 50%;
  top: clamp(12px, 2vh, 20px);
  z-index: var(--z);
  width: clamp(48px, 7vw, 64px);
  aspect-ratio: 16 / 25;
  min-height: 0;
  padding: 0;
  border: 1.5px solid rgba(245, 197, 111, 0.4);
  border-radius: clamp(6px, 1vw, 8px);
  background-image: url("/cards/0.webp");
  background-size: cover;
  background-position: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transform: translateX(var(--x)) translateY(var(--y)) rotate(var(--angle));
  transform-origin: 50% 280px;
  transition: transform 150ms ease, opacity 150ms ease, box-shadow 150ms ease;
  cursor: pointer;
  will-change: transform;
}

.deck-card:hover {
  transform: translateX(var(--x)) translateY(calc(var(--y) - 12px)) rotate(var(--angle));
  box-shadow: 0 0 24px rgba(245, 197, 111, 0.4);
  z-index: 999;
}

.deck-card.selected {
  opacity: 0.3;
  pointer-events: none;
  transform: translateX(var(--x)) translateY(calc(var(--y) + 8px)) rotate(var(--angle));
}

.selected-strip {
  display: flex;
  justify-content: center;
  gap: clamp(10px, 2vw, 14px);
  margin-top: clamp(12px, 2vh, 20px);
  flex-shrink: 0;
}

.selected-strip span {
  width: clamp(42px, 6vw, 54px);
  aspect-ratio: 16 / 25;
  border: 1.5px solid rgba(245, 197, 111, 0.35);
  border-radius: clamp(8px, 1.5vw, 10px);
  background: rgba(255, 241, 217, 0.06);
  transition: all 0.3s ease;
}

.selected-strip span.filled {
  background-image: url("/cards/0.webp");
  background-size: cover;
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(245, 197, 111, 0.3);
}

/* 结果展示区域 */
.result-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(300px, 420px);
  gap: clamp(16px, 2.5vw, 32px);
  width: 100%;
  max-height: 100%;
  overflow: hidden;
}

.result-spread {
  display: grid;
  grid-template-columns: repeat(3, minmax(90px, 180px));
  justify-content: center;
  gap: clamp(10px, 2vw, 16px);
  margin-top: clamp(10px, 1.5vh, 16px);
}

.spread-card {
  min-width: 0;
  padding: clamp(6px, 1.5vw, 10px);
  border: 1px solid rgba(245, 197, 111, 0.24);
  border-radius: clamp(12px, 2.5vw, 20px);
  background: rgba(255, 241, 217, 0.08);
  text-align: center;
}

.spread-card img {
  width: 100%;
  aspect-ratio: 16 / 25;
  border-radius: clamp(10px, 2vw, 14px);
  object-fit: cover;
  max-height: clamp(160px, 25vh, 220px);
}

.spread-card img.reversed {
  transform: rotate(180deg);
}

.spread-card span {
  display: block;
  margin: 10px 0 4px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 850;
}

.spread-card strong {
  overflow-wrap: anywhere;
  font-size: 14px;
}

.reading-panel {
  display: grid;
  gap: clamp(10px, 2vh, 14px);
  align-content: start;
  padding: clamp(14px, 2.5vw, 20px);
  border: 1px solid var(--line);
  border-radius: clamp(16px, 3vw, 24px);
  background: var(--panel-strong);
  max-height: 100%;
  overflow: hidden;
}

.reading-panel h2 {
  font-size: clamp(20px, 3vw, 24px);
  margin-bottom: clamp(4px, 1vh, 8px);
}

.reading-text {
  max-height: clamp(120px, 18vh, 160px);
  overflow: auto;
  white-space: pre-wrap;
  padding-right: 6px;
  -webkit-overflow-scrolling: touch;
}

.follow-panel {
  display: grid;
  gap: clamp(8px, 1.5vh, 10px);
  padding: clamp(10px, 2vw, 14px);
  border: 1px solid var(--line);
  border-radius: clamp(16px, 3vw, 24px);
  background: var(--panel);
}

.follow-panel label {
  color: var(--gold);
  font-size: clamp(11px, 1.8vw, 13px);
  font-weight: 850;
}

.follow-panel textarea {
  min-height: clamp(56px, 10vh, 72px);
  max-height: clamp(72px, 12vh, 90px);
  width: 100%;
  resize: none;
  padding: clamp(12px, 2vw, 16px);
  border: 1px solid rgba(245, 197, 111, 0.24);
  border-radius: clamp(12px, 2.5vw, 18px);
  color: var(--text);
  background: rgba(8, 6, 12, 0.46);
  outline: none;
  line-height: 1.55;
}

.hint {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.blessing-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(245, 197, 111, 0.08);
}

.blessing-box span {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
}

.blessing-box p {
  margin: 0;
}

/* 动画 */
@keyframes energyPulse {
  0%,
  100% {
    opacity: 0.5;
    transform: scale(0.95);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

@keyframes shuffleRotate {
  0% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 1;
  }
  25% {
    transform: translate(-40px, -30px) rotate(-25deg);
    opacity: 0.8;
  }
  50% {
    transform: translate(0, -50px) rotate(0deg);
    opacity: 1;
  }
  75% {
    transform: translate(40px, -30px) rotate(25deg);
    opacity: 0.8;
  }
  100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 1;
  }
}

@keyframes cutLeft {
  0% {
    transform: translate(-55px, -86px) rotate(0deg);
    opacity: 1;
  }
  20% {
    transform: translate(-55px, -86px) rotate(-5deg);
  }
  40% {
    transform: translate(-180px, -50px) rotate(-15deg);
    opacity: 0.9;
  }
  60% {
    transform: translate(-180px, -50px) rotate(-12deg);
  }
  80% {
    transform: translate(-55px, -86px) rotate(-3deg);
  }
  100% {
    transform: translate(-55px, -86px) rotate(0deg);
    opacity: 1;
  }
}

@keyframes cutRight {
  0% {
    transform: translate(-55px, -86px) rotate(0deg);
    opacity: 1;
  }
  20% {
    transform: translate(-55px, -86px) rotate(5deg);
  }
  40% {
    transform: translate(70px, -50px) rotate(15deg);
    opacity: 0.9;
  }
  60% {
    transform: translate(70px, -50px) rotate(12deg);
  }
  80% {
    transform: translate(-55px, -86px) rotate(3deg);
  }
  100% {
    transform: translate(-55px, -86px) rotate(0deg);
    opacity: 1;
  }
}

/* 响应式设计 */
@media (max-width: 980px) {
  .result-layout {
    grid-template-columns: 1fr;
    gap: clamp(12px, 2vh, 16px);
  }

  .copy-block h2 {
    font-size: clamp(22px, 5vw, 32px);
  }

  .full-deck {
    height: clamp(240px, 35vh, 300px);
    transform: scale(0.92);
    transform-origin: top center;
  }

  .result-spread {
    grid-template-columns: repeat(3, minmax(80px, 1fr));
  }

  .spread-card img {
    max-height: clamp(140px, 22vh, 180px);
  }

  .reading-text {
    max-height: clamp(100px, 15vh, 130px);
  }
  
  .step-content {
    gap: clamp(12px, 2vh, 20px);
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: 10px;
  }

  .app-header {
    gap: 8px;
    margin-bottom: 8px;
  }

  .brand-mark,
  .blessing-box span {
    width: 38px;
    height: 38px;
  }

  h1 {
    font-size: 20px;
  }

  .quota-display {
    flex-direction: column;
    gap: 6px;
  }

  .quota-display > div {
    min-height: 28px;
    padding: 0 12px;
  }

  .quota-display span {
    font-size: 11px;
  }

  .quota-display strong {
    font-size: 16px;
  }

  .question-input-line {
    min-height: 56px;
    padding: 0 20px;
    font-size: 20px;
  }

  .full-deck {
    transform: scale(0.65);
  }

  .reading-panel {
    padding: 14px;
  }

  .follow-panel textarea {
    min-height: 58px;
  }
}


@media (max-width: 620px) {
  .app-shell {
    padding: 8px 10px;
  }

  .app-header {
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark,
  .blessing-box span {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  h1 {
    font-size: 18px;
  }
  
  .brand p {
    font-size: 10px;
  }

  .quota-display {
    gap: 6px;
    padding: 4px;
  }

  .quota-display > div {
    min-height: 26px;
    padding: 0 10px;
    gap: 6px;
  }

  .quota-display span {
    font-size: 10px;
  }

  .quota-display strong {
    font-size: 14px;
  }

  .question-input-line {
    min-height: 52px;
    padding: 0 18px;
    font-size: 18px;
  }
  
  .code-form input {
    min-height: 50px;
    font-size: 18px;
  }

  .full-deck {
    height: clamp(220px, 32vh, 280px);
    transform: scale(0.75);
  }
  
  .deck-card {
    width: clamp(42px, 6vw, 56px);
  }

  .reading-panel {
    padding: 12px;
  }
  
  .reading-panel h2 {
    font-size: 18px;
  }

  .follow-panel textarea {
    min-height: 52px;
  }
  
  .result-spread {
    grid-template-columns: repeat(3, minmax(70px, 1fr));
    gap: 8px;
  }
  
  .spread-card {
    padding: 6px;
  }
  
  .spread-card img {
    max-height: clamp(120px, 18vh, 150px);
  }
  
  .spread-card span {
    font-size: 10px;
    margin: 6px 0 2px;
  }
  
  .spread-card strong {
    font-size: 12px;
  }
  
  .shuffle-stage {
    height: clamp(250px, 35vh, 350px);
  }
  
  .draw-counter {
    padding: 8px 16px;
    font-size: 16px;
  }
  
  .question-summary {
    font-size: 13px;
  }
  
  .primary-button,
  .ghost-button {
    min-height: 42px;
    padding: 0 18px;
    font-size: 14px;
  }
  
  .copy-block h2 {
    font-size: clamp(20px, 4.5vw, 28px);
  }
  
  .step-content {
    padding: clamp(12px, 2vh, 20px) clamp(12px, 2vw, 20px);
  }
}

@media (max-height: 700px) {
  .shuffle-stage {
    height: clamp(200px, 30vh, 300px);
  }
  
  .full-deck {
    height: clamp(200px, 30vh, 260px);
  }
  
  .reading-text {
    max-height: clamp(80px, 12vh, 100px);
  }
  
  .result-spread {
    gap: 8px;
    margin-top: 8px;
  }
  
  .spread-card img {
    max-height: clamp(100px, 16vh, 140px);
  }
  
  .step-content {
    gap: clamp(10px, 1.5vh, 16px);
  }
  
  .follow-panel textarea {
    min-height: 48px;
  }
}