/* ===== 全局变量 ===== */
:root {
  --color-primary: #14A098;
  --color-primary-dark: #0d7a73;
  --color-bg: #FDFAF3;
  --color-cta: #EF7676;
  --color-cta-dark: #e05555;
  --color-accent: #FFD166;
  --color-text: #2D3436;
  --color-text-light: #636E72;
  --color-border: #E8E4D9;
  --color-white: #FFFFFF;

  --rarity-common: #AAAAAA;
  --rarity-rare: #4DA6FF;
  --rarity-epic: #B57BFF;
  --rarity-legend: #FFD700;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --nav-height: 50px;
  --header-height: 56px;
}

/* ===== 重置 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== 页面切换 ===== */
.page {
  display: none;
  min-height: 100vh;
  padding-bottom: calc(var(--nav-height) + 8px);
  flex-direction: column;
}
.page.active { display: flex; }

/* ===== 通用 Header ===== */
.page-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.page-header h2 {
  font-size: 18px;
  font-weight: 700;
  flex: 1;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  flex: 1;
}
.btn-back {
  font-size: 22px;
  color: var(--color-text);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.15s;
}
.btn-back:active { background: var(--color-border); }

/* ===== 通用按钮 ===== */
.btn-primary {
  background: var(--color-cta);
  color: white;
  border-radius: var(--radius);
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 700;
  width: 100%;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:active { background: var(--color-cta-dark); transform: scale(0.98); }
.btn-primary:disabled { background: #ccc; cursor: not-allowed; transform: none; }

.btn-secondary {
  background: var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius);
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  width: 100%;
  transition: background 0.15s;
}
.btn-secondary:active { background: #d0ccc0; }

/* ===== 鱼缸页 ===== */
.tank-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #b8ecec 0%, #5bc8c8 50%, #2a9e9e 100%);
}
#tank-canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.tank-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  text-align: center;
  gap: 8px;
}
.tank-empty p { font-size: 16px; font-weight: 600; }
.tank-empty .hint { font-size: 14px; opacity: 0.8; }

.tank-hint {
  text-align: center;
  font-size: 11px;
  color: var(--color-text-light);
  opacity: 0.7;
  padding: 2px 0;
  margin: 0;
}

.tank-actions {
  background: var(--color-white);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--color-border);
}
.btn-community {
  display: block;
  width: calc(100% - 32px);
  margin: 10px 16px 8px;
  padding: 12px;
  background: #1DB954;
  color: white;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
  text-align: center;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 10px rgba(29,185,84,0.35);
  transition: background 0.15s, transform 0.1s;
}
.btn-community:active { background: #17a348; transform: scale(0.98); }

.community-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.community-modal.hidden { display: none; }
.community-modal-inner {
  background: var(--color-white);
  border-radius: 20px;
  padding: 28px 24px 24px;
  width: 340px;
  text-align: center;
  position: relative;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.community-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 20px;
  color: var(--color-text-light);
  line-height: 1;
}
.community-modal-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}
.community-qr {
  width: 280px;
  height: 280px;
  object-fit: contain;
  border-radius: 12px;
  margin: 0 auto;
}

.btn-feed {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-feed:active { opacity: 0.8; }
.feed-badge {
  display: none;
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--color-primary);
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 20px;
  white-space: nowrap;
}
.feed-badge.show { display: block; }

.voyage-info {
  flex: 1;
  text-align: center;
  font-size: 14px;
  color: var(--color-text-light);
}
.voyage-count {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 4px;
}

.btn-voyage {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s;
}
.btn-voyage:active { background: var(--color-primary-dark); }
.btn-voyage:disabled { background: #ccc; cursor: not-allowed; }

/* ===== 答题页 ===== */
.quiz-progress {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  flex: 1;
  text-align: center;
}
.quiz-timer-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}
.quiz-timer-bar {
  width: 60px;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.quiz-timer-bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--timer-pct, 100%);
  background: var(--color-primary);
  border-radius: 3px;
  transition: width 1s linear, background 0.3s;
}
.quiz-timer-bar.warning::after { background: var(--color-cta); }
#quiz-timer-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-light);
  width: 20px;
}

.quiz-content {
  flex: 1;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.quiz-image-wrap {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
#quiz-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.quiz-question {
  font-size: 18px;
  font-weight: 700;
  text-align: center;
}
.quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.btn-option {
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  transition: all 0.15s;
  text-align: center;
}
.btn-option:active { transform: scale(0.97); }
.btn-option.correct {
  background: #d4f8e8;
  border-color: #2ecc71;
  color: #1a8a4a;
}
.btn-option.wrong {
  background: #fde8e8;
  border-color: var(--color-cta);
  color: #b52c2c;
}
.btn-option:disabled { cursor: not-allowed; }

.quiz-score-bar {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--color-text-light);
}
#quiz-score {
  font-weight: 800;
  color: var(--color-primary);
  font-size: 16px;
}

/* ===== 抽卡结算页 ===== */
.gacha-result {
  flex: 1;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.gacha-score-summary {
  font-size: 16px;
  color: var(--color-text-light);
}
.gacha-score-summary strong {
  font-size: 20px;
  color: var(--color-primary);
}

/* ===== 鱼卡（翻转卡片）===== */
.fish-card {
  width: 260px;
  height: 340px;
  perspective: 1000px;
  cursor: pointer;
}
.fish-card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius);
}
.fish-card.flipped .fish-card-inner { transform: rotateY(180deg); }

.fish-card-front,
.fish-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.fish-card-front {
  background: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px;
}
.fish-card-front img {
  width: 160px;
  height: 160px;
  object-fit: contain;
}
.fish-card-back {
  background: var(--color-white);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
}
.fish-card-back img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.fish-card-info {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.fish-card-info h3 {
  font-size: 20px;
  font-weight: 800;
}
.fish-habitat { font-size: 13px; color: var(--color-text-light); }
.fish-fact { font-size: 14px; line-height: 1.5; }
.fish-name-preview { font-size: 18px; font-weight: 700; }
.fish-quote {
  font-size: 13px;
  color: var(--color-text-light);
  font-style: italic;
  text-align: center;
}

.rarity-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: white;
  background: var(--rarity-common);
}
.rarity-badge.rare { background: var(--rarity-rare); }
.rarity-badge.epic { background: var(--rarity-epic); }
.rarity-badge.legend { background: var(--rarity-legend); color: #333; }

.flip-hint {
  font-size: 13px;
  color: var(--color-text-light);
  text-align: center;
}

.gacha-card-wrap { display: flex; justify-content: center; }

.btn-enter-tank { margin-top: 8px; }
.btn-voyage-again { }

/* ===== 图鉴页 ===== */
.collection-progress {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 600;
}
.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 16px;
}
.collection-item {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow);
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s;
}
.collection-item:active { transform: scale(0.96); }
.collection-item.locked { opacity: 0.5; cursor: default; }
.collection-item img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}
.collection-item .fish-thumb-name {
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}
.collection-item .rarity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rarity-common);
}
.collection-item[data-rarity="rare"] { border-color: var(--rarity-rare); }
.collection-item[data-rarity="epic"] { border-color: var(--rarity-epic); }
.collection-item[data-rarity="legend"] { border-color: var(--rarity-legend); }
.collection-item[data-rarity="rare"] .rarity-dot { background: var(--rarity-rare); }
.collection-item[data-rarity="epic"] .rarity-dot { background: var(--rarity-epic); }
.collection-item[data-rarity="legend"] .rarity-dot { background: var(--rarity-legend); }

/* ===== 我的页 ===== */
.profile-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.stats-card, .fragments-card, .settings-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.stats-card h3, .fragments-card h3, .settings-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--color-text-light);
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
}
.stat-label {
  font-size: 12px;
  color: var(--color-text-light);
}

.fragments-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  text-align: center;
}
.fragment-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--color-text-light);
}
.fragment-count {
  font-size: 20px;
  font-weight: 800;
}
.fragment-item.common .fragment-count { color: var(--rarity-common); }
.fragment-item.rare .fragment-count { color: var(--rarity-rare); }
.fragment-item.epic .fragment-count { color: var(--rarity-epic); }
.fragment-item.legend .fragment-count { color: var(--rarity-legend); }

.btn-synth {
  margin-top: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  background: var(--color-primary);
  color: white;
  transition: background 0.15s;
}
.btn-synth:disabled {
  background: var(--color-border);
  color: var(--color-text-light);
  cursor: not-allowed;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}
.setting-row:last-child { border-bottom: none; }
.setting-value { color: var(--color-text-light); font-size: 14px; }
.btn-tutorial-reopen {
  padding: 4px 14px; border-radius: 20px; border: 1px solid var(--primary);
  background: none; font-size: 13px; cursor: pointer; color: var(--primary);
}

.difficulty-toggle { display: flex; gap: 4px; }
.difficulty-toggle button {
  padding: 3px 10px; border-radius: 20px; border: 1px solid var(--color-border);
  background: none; font-size: 13px; cursor: pointer; color: var(--color-text-light);
  transition: background 0.15s, color 0.15s;
}
.difficulty-toggle button.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}

.toggle { position: relative; display: inline-block; width: 44px; height: 24px; }
.toggle input { display: none; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 24px;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--color-primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

.btn-album {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius);
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  width: 100%;
}
.btn-album:active { background: var(--color-primary-dark); }

/* ===== 详情页 ===== */
.header-stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: 600;
}
.header-stats span:first-child { font-size: 16px; color: var(--color-primary); }

.detail-content {
  flex: 1;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.detail-card { width: 280px; height: 360px; }
.detail-meta {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text-light);
}
.rarity-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--rarity-common);
  flex-shrink: 0;
}

/* ===== 相册页 ===== */
.album-privacy-tip {
  background: #e8f8f7;
  color: var(--color-primary-dark);
  font-size: 13px;
  padding: 10px 16px;
  text-align: center;
}
.btn-upload {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 600;
}
.album-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: 2px;
}
.album-empty {
  grid-column: 1 / -1;
  padding: 60px 20px;
  text-align: center;
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.album-empty .hint { font-size: 13px; }
.album-photo-item {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.album-photo-item img { width: 100%; height: 100%; object-fit: cover; }
.album-photo-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(0,0,0,0.5);
  color: white;
  font-size: 11px;
  padding: 4px 6px;
  text-align: center;
}

/* ===== 上传弹窗 ===== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
  align-items: flex-end;
  justify-content: center;
}
.modal.show { display: flex; }
.modal-content {
  background: var(--color-white);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 24px 20px;
  width: 100%;
  max-width: 430px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal-content h3 { font-size: 18px; font-weight: 700; }
.upload-area {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 160px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-light);
  font-size: 15px;
  transition: border-color 0.15s;
}
.upload-area:hover { border-color: var(--color-primary); }
.upload-preview img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.fish-select {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: var(--color-white);
  color: var(--color-text);
  appearance: none;
}
.fish-select:focus { outline: none; border-color: var(--color-primary); }
.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* ===== 底部导航 ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--nav-height);
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  display: flex;
  z-index: 50;
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--color-text-light);
  transition: color 0.15s;
  font-size: 12px;
}
.nav-item.active { color: var(--color-primary); }
.nav-icon { font-size: 18px; line-height: 1; }
.nav-label { font-size: 10px; font-weight: 600; }

/* ===== 出海过场动画 ===== */
.voyage-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, #0d4f8a 0%, #1a7ab5 50%, #14A098 100%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  gap: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.voyage-overlay.show { opacity: 1; pointer-events: all; }
.voyage-overlay .voyage-text { font-size: 24px; font-weight: 800; }
.voyage-overlay .voyage-hint { font-size: 15px; opacity: 0.8; }
.wave-emoji { font-size: 48px; animation: wave 1.5s ease-in-out infinite; }
@keyframes wave {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== 碎片结果 ===== */
.fragment-result-wrap {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px 16px;
}
.fragment-result-icon {
  font-size: 80px;
  line-height: 1;
}
.fragment-result-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}
.fragment-result-sub {
  font-size: 14px;
  color: var(--color-text-light);
  text-align: center;
}

/* ===== 新手教程 ===== */
.tutorial-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(160deg, #0a3d6b 0%, #14A098 100%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 20px 36px;
  gap: 0;
  transition: opacity 0.3s;
}
.tutorial-overlay.hidden { display: none; }

.tutorial-skip {
  position: absolute;
  top: 20px;
  right: 20px;
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.3);
  transition: color 0.15s;
}
.tutorial-skip:active { color: white; }

.tutorial-card {
  background: white;
  border-radius: 24px;
  padding: 36px 28px 32px;
  width: 100%;
  max-width: 340px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-height: 320px;
  justify-content: center;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.tutorial-art {
  font-size: 72px;
  line-height: 1;
  animation: tutoFloat 3s ease-in-out infinite;
}
@keyframes tutoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.tutorial-card h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
}
.tutorial-card p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.75;
}
.tutorial-rarity-table {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 4px 0;
}
.tutorial-rarity-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: 600;
  padding: 0 4px;
  text-align: center;
}
.tutorial-rarity-header span:first-child { text-align: left; }
.tutorial-rarity-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: #f7f5f0;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 700;
  align-items: center;
  text-align: center;
}
.tutorial-rarity-label {
  text-align: left;
  font-size: 13px;
}
.tutorial-rarity-row .penalty {
  color: var(--color-cta);
}
.tutorial-rarity-tip {
  font-size: 12px;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 2px;
}

.tutorial-tips {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
  width: 100%;
}
.tutorial-tip-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(20, 160, 152, 0.08);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
}
.tip-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.tutorial-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-light);
  flex-wrap: wrap;
  margin-top: 4px;
}
.tutorial-steps .arrow { color: var(--color-primary); font-weight: 700; }

.tutorial-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 24px;
  margin-bottom: 16px;
}
.tutorial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transition: all 0.3s;
}
.tutorial-dot.active {
  background: white;
  width: 24px;
  border-radius: 4px;
}

.tutorial-btn-next {
  background: var(--color-cta);
  color: white;
  border-radius: var(--radius);
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 700;
  width: 100%;
  max-width: 340px;
  transition: background 0.15s, transform 0.1s;
  box-shadow: 0 4px 16px rgba(239,118,118,0.4);
}
.tutorial-btn-next:active { background: var(--color-cta-dark); transform: scale(0.98); }

/* ===== 音乐开关悬浮按钮 ===== */
.music-toggle-btn {
  position: fixed;
  right: 16px;
  bottom: calc(var(--nav-height) + 16px);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1.5px solid var(--color-border);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 120;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.14);
  transition: transform 0.15s, opacity 0.15s;
  cursor: pointer;
}
.music-toggle-btn:active { transform: scale(0.88); }
.music-toggle-btn.muted { opacity: 0.6; }

/* ===== 工具类 ===== */
.hidden { display: none !important; }
.hint { font-size: 13px; color: var(--color-text-light); }