/* ─── 基础重置 & 变量 ─────────────────────────────────────── */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg:            #0c0a14;
  --surface:       #14111f;
  --surface-raised:#1b172b;
  --border:        #26213a;
  --border-hover:  #3f3560;

  --accent:        #b8865b;
  --accent-dim:    #8a6848;
  --accent-glow:   rgba(184, 134, 91, 0.15);

  --text:          #e8e4f0;
  --text-dim:      #a098b8;
  --text-muted:    #7a7290;

  --radius-sm:    6px;
  --radius:       10px;
  --radius-lg:    14px;

  --font-display: 'Noto Serif SC', 'Songti SC', serif;
  --font-body:    'Noto Sans SC', -apple-system, 'PingFang SC', sans-serif;

  --transition:   200ms ease;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  line-height: 1.65;
}

/* ─── 免责弹窗 ──────────────────────────────────────────── */

.disclaimer-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.disclaimer-modal {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  max-width: 380px;
  width: 90%;
  text-align: center;
}

.disclaimer-icon {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 12px;
}

.disclaimer-modal h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.disclaimer-text {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* ─── 页头 ─────────────────────────────────────────────── */

header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-glyph {
  font-size: 18px;
  color: var(--accent);
  line-height: 1;
}

.brand h1 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text);
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.meta-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.quota-badge {
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 6px;
  white-space: nowrap;
}

/* ─── 主容器 ────────────────────────────────────────────── */

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ─── 步骤导航 ──────────────────────────────────────────── */

.steps-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 4px;
  cursor: default;
  opacity: 0.35;
  transition: opacity var(--transition);
}

.step-item.active {
  opacity: 1;
}

.step-marker {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
}

.step-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  display: none;
}

.step-item.active .step-label {
  display: inline;
}

.step-connector {
  width: 40px;
  height: 1px;
  background: var(--border);
  margin: 0 8px;
  flex-shrink: 0;
}

.step-item.active + .step-connector {
  background: var(--accent-dim);
}

/* ─── 步骤区块 ──────────────────────────────────────────── */

.step-section {
  display: none;
}

.step-section.active {
  display: block;
  animation: fadeUp 350ms ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-head {
  text-align: center;
  margin-bottom: 32px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 8px;
}

.section-sub {
  font-size: 13px;
  color: var(--text-dim);
  max-width: 360px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ─── 牌阵网格 ──────────────────────────────────────────── */

.spread-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.spread-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition);
  text-align: center;
}

.spread-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-raised);
  transform: translateY(-1px);
}

.spread-card.selected {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.spread-card .card-icon {
  font-size: 24px;
  margin-bottom: 10px;
  line-height: 1;
  opacity: 0.7;
}

.spread-card.selected .card-icon {
  opacity: 1;
}

.spread-card .name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.spread-card .count {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.spread-card .desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ─── 问题输入 ──────────────────────────────────────────── */

.question-area {
  max-width: 480px;
  margin: 0 auto 4px;
}

#question-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  resize: none;
  transition: border-color var(--transition);
}

#question-input:focus {
  outline: none;
  border-color: var(--accent);
}

#question-input::placeholder {
  color: var(--text-muted);
}

.textarea-footer {
  display: flex;
  justify-content: flex-end;
  padding: 6px 2px 0;
}

.char-counter {
  font-size: 11px;
  color: var(--text-muted);
  font-feature-settings: 'tnum';
}

/* ─── 按钮 ──────────────────────────────────────────────── */

.actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 28px;
  border-radius: var(--radius);
  border: none;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform 120ms ease;
  letter-spacing: 0.5px;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent);
  color: #0c0a14;
}

.btn-primary:hover {
  background: #c79564;
}

.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* ─── 验证码 ──────────────────────────────────────────────── */

.captcha-area {
  max-width: 360px;
  margin: 20px auto 0;
}

.captcha-row {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
}

.captcha-problem {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  min-width: 80px;
  text-align: center;
}

#captcha-input {
  width: 90px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  text-align: center;
  transition: border-color var(--transition);
}

#captcha-input:focus {
  outline: none;
  border-color: var(--accent);
}

#captcha-input::placeholder {
  color: var(--text-muted);
}

.btn-captcha-refresh {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  width: 34px;
  height: 34px;
  font-size: 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition);
}

.btn-captcha-refresh:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.captcha-error {
  text-align: center;
  font-size: 12px;
  color: #e05454;
  margin-top: 6px;
}

/* ─── 牌面展示（解读页） ─────────────────────────────────── */

.card-grid {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 4px 0 12px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  margin-bottom: 28px;
  justify-content: center;
}

/* 牌面超出容器宽度时切换为左对齐 + 滚动 */
.card-grid.scrollable {
  justify-content: flex-start;
}

.card-item {
  flex: 0 0 auto;
  width: 140px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  text-align: center;
}

.card-item.upright {
  border-color: rgba(184, 134, 91, 0.2);
}

.card-item.reversed {
  border-color: rgba(184, 134, 91, 0.1);
}

.card-img-wrapper {
  width: 100%;
  aspect-ratio: 296 / 500;
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  background: var(--bg);
}

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

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

.card-position {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.card-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 2px;
}

.card-meaning {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ─── AI 解读面板 ────────────────────────────────────────── */

.reading-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 4px;
}

.reading-text {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.reading-text h1,
.reading-text h2,
.reading-text h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 2px;
  margin: 24px 0 10px;
}

.reading-text h1 { font-size: 18px; }
.reading-text h2 { font-size: 16px; color: var(--accent); }
.reading-text h3 { font-size: 15px; }

.reading-text p {
  margin: 10px 0;
}

.reading-text ul,
.reading-text ol {
  padding-left: 20px;
  margin: 10px 0;
}

.reading-text li {
  margin: 4px 0;
}

.reading-text blockquote {
  border-left: 2px solid var(--accent);
  padding: 8px 16px;
  margin: 14px 0;
  background: var(--accent-glow);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-dim);
  font-style: italic;
}

.reading-text strong {
  color: var(--accent);
}

.reading-text hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* ─── 打字指示器 ────────────────────────────────────────── */

.typing-indicator {
  display: flex;
  gap: 5px;
  align-items: center;
  padding: 16px 0 4px;
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes pulse {
  0%, 80%, 100% { transform: scale(0.5); opacity: 0.3; }
  40%           { transform: scale(1);   opacity: 1; }
}

/* ─── 页脚 ──────────────────────────────────────────────── */

footer {
  text-align: center;
  padding: 32px 24px 40px;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
  border-top: 1px solid var(--border);
}

/* ─── 响应式 ──────────────────────────────────────────────── */

@media (max-width: 600px) {
  .header-inner {
    padding: 0 16px;
  }

  main {
    padding: 28px 16px 60px;
  }

  .steps-nav {
    margin-bottom: 32px;
  }

  .step-label {
    display: none;
  }

  .step-item.active .step-label {
    display: inline;
  }

  .step-connector {
    width: 24px;
  }

  .section-head h2 {
    font-size: 19px;
  }

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

  .spread-card {
    padding: 14px;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .reading-panel {
    padding: 20px;
  }
}

/* ─── 工具类 ────────────────────────────────────────────── */

.hidden {
  display: none !important;
}