/* ========================================
   早睡雪峰 — 治愈系夜间主题
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  --bg-start: #1a0a2e;
  --bg-mid: #16213e;
  --bg-end: #0a3d2e;
  --text-primary: #f5e6c8;
  --text-secondary: #b8a88a;
  --text-dim: #7a6f5f;
  --accent-warm: #e8b86d;
  --accent-glow: #ffd89b;
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: rgba(0, 0, 0, 0.3);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-mid) 50%, var(--bg-end) 100%);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ========== 星光粒子画布 ========== */
#starfield {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ========== 主容器 ========== */
.container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem 6rem;
}

/* ========== 头部：纪念区 ========== */
.memorial-header {
  text-align: center;
  padding: 2.5rem 0 2rem;
  animation: fadeInDown 1s var(--transition-slow);
}

.memorial-header h1 {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent-warm);
  letter-spacing: 0.3em;
  margin-bottom: 0.5rem;
}

.memorial-header .subtitle {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 300;
}

.memorial-header .memorial-line {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.8rem;
  opacity: 0.7;
}

.divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-warm), transparent);
  margin: 1.5rem auto;
}

/* ========== 语言切换按钮 ========== */
.lang-toggle {
  position: fixed;
  top: 1.2rem;
  right: 1.5rem;
  z-index: 100;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: 1.5rem;
  font-size: 0.75rem;
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.lang-toggle:hover {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
}

/* ========== 送花区（内联在 Tab 导航行） ========== */
.flower-inline {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
}

.flower-count {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent-warm);
}

.flower-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px var(--glass-shadow);
  position: relative;
  z-index: 2;
  padding: 0;
}

.flower-btn:hover {
  transform: scale(1.12);
  border-color: rgba(255, 182, 193, 0.5);
  box-shadow: 0 0 14px rgba(255, 182, 193, 0.25);
}

.flower-btn:active {
  transform: scale(0.95);
}

.flower-btn.sent {
  border-color: rgba(255, 182, 193, 0.5);
  box-shadow: 0 0 16px rgba(255, 182, 193, 0.3);
  cursor: default;
  opacity: 0.85;
}

.flower-btn.sent:hover {
  transform: none;
}

.flower-btn.sent:active {
  transform: none;
}


.flower-animation-container {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 150px;
  pointer-events: none;
  overflow: visible;
  z-index: 1;
}

.flower-float {
  position: absolute;
  font-size: 1.4rem;
  animation: floatUp 1.8s ease-out forwards;
  pointer-events: none;
  opacity: 0;
}

@keyframes floatUp {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1) rotate(0deg);
  }
  50% {
    opacity: 0.8;
    transform: translateY(-60px) scale(1.1) rotate(15deg);
  }
  100% {
    opacity: 0;
    transform: translateY(-140px) scale(0.6) rotate(-10deg);
  }
}

/* ========== Tab 导航 ========== */
.tab-nav {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tab-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.6rem 1.5rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: inherit;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-warm);
}

.tab-btn.active {
  background: rgba(232, 184, 109, 0.15);
  color: var(--accent-warm);
  border-color: var(--accent-warm);
}

/* ========== 语录卡片 ========== */
.quote-section {
  display: block;
}

.quote-section.hidden {
  display: none;
}

.quote-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1.2rem;
  padding: 2.5rem 2.5rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px var(--glass-shadow);
  transition: opacity var(--transition-slow);
  text-align: center;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.quote-card.fade-out {
  opacity: 0;
}

.quote-card.fade-in {
  opacity: 1;
}

.quote-day {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
}

.quote-text {
  font-size: 1.25rem;
  line-height: 2;
  color: var(--text-primary);
  font-weight: 300;
  margin-bottom: 1rem;
  max-width: 100%;
}

.quote-text::before {
  content: '「';
  color: var(--accent-warm);
  opacity: 0.5;
}

.quote-text::after {
  content: '」';
  color: var(--accent-warm);
  opacity: 0.5;
}

.quote-author {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.quote-reflection {
  font-size: 0.9rem;
  color: var(--accent-warm);
  opacity: 0.8;
  line-height: 1.8;
  max-width: 100%;
  font-weight: 300;
}

/* ========== 进度条 ========== */
.progress-section {
  margin-top: 2rem;
  text-align: center;
}

.progress-bar-container {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  height: 6px;
  overflow: hidden;
  margin: 0.8rem 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-warm), var(--accent-glow));
  border-radius: 1rem;
  transition: width var(--transition-slow);
}

.progress-text {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ========== 导航按钮 ========== */
.quote-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.nav-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 1.1rem;
  font-family: inherit;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-btn:hover {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
  transform: scale(1.05);
}

.nav-btn.random-btn {
  width: auto;
  border-radius: 2rem;
  padding: 0 1.2rem;
  font-size: 0.85rem;
  gap: 0.3rem;
}

/* ========== 打卡记录列表 ========== */
.checkin-section {
  display: none;
}

.checkin-section.visible {
  display: block;
}

.checkin-summary {
  text-align: center;
  margin-bottom: 2rem;
}

.checkin-count {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-warm);
  line-height: 1;
}

.checkin-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

.checkin-streak {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.8rem;
}

.checkin-list {
  list-style: none;
}

.checkin-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 0.8rem;
  padding: 1.2rem 1.5rem;
  margin-bottom: 0.8rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.checkin-item:hover {
  border-color: rgba(232, 184, 109, 0.3);
}

.checkin-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.checkin-item-day {
  font-size: 0.85rem;
  color: var(--accent-warm);
  font-weight: 500;
}

.checkin-item-time {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.checkin-item-quote {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 300;
}

.checkin-user-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.checkin-user-title {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--accent-warm);
  margin-bottom: 0.6rem;
}

.checkin-back-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.3rem 1rem;
  border-radius: 1.5rem;
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.checkin-back-btn:hover {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
}

.checkin-item-nickname {
  font-size: 0.8rem;
  color: var(--accent-warm);
  cursor: pointer;
  transition: opacity var(--transition-normal);
}

.checkin-item-nickname:hover {
  opacity: 0.7;
  text-decoration: underline;
}

.checkin-empty {
  text-align: center;
  padding: 3rem 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ========== 音乐播放器 ========== */
.music-player {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.music-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 16px var(--glass-shadow);
}

.music-btn:hover {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
  transform: scale(1.08);
}

.music-btn.playing {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
  animation: breathe 3s ease-in-out infinite;
}

.music-skip-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-dim);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
}

.music-player:hover .music-skip-btn {
  opacity: 1;
}

.music-skip-btn:hover {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
  transform: rotate(180deg);
}

.music-title {
  position: fixed;
  bottom: 4.5rem;
  right: 1.5rem;
  z-index: 100;
  font-size: 0.7rem;
  color: var(--text-dim);
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.music-title.visible {
  opacity: 1;
}

.volume-slider {
  width: 0;
  opacity: 0;
  transition: all var(--transition-normal);
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
}

.music-player:hover .volume-slider {
  width: 80px;
  opacity: 1;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-warm);
  cursor: pointer;
}

.volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-warm);
  cursor: pointer;
  border: none;
}

/* ========== 动画 ========== */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes breathe {
  0%, 100% {
    box-shadow: 0 0 8px rgba(232, 184, 109, 0.2);
  }
  50% {
    box-shadow: 0 0 20px rgba(232, 184, 109, 0.4);
  }
}

/* ========== 响应式 ========== */
@media (max-width: 480px) {
  .container {
    padding: 1.5rem 1rem 5rem;
  }

  .memorial-header h1 {
    font-size: 1.25rem;
    letter-spacing: 0.2em;
  }

  .quote-card {
    padding: 2rem 1.5rem;
    min-height: 240px;
  }

  .quote-text {
    font-size: 1.1rem;
  }

  .music-player {
    bottom: 1rem;
    right: 1rem;
  }
}

/* ========== 加载状态 ========== */
.loading {
  display: flex;
  justify-content: center;
  padding: 3rem;
}

.loading-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-warm);
  margin: 0 4px;
  animation: loadingPulse 1.4s infinite ease-in-out;
}

.loading-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes loadingPulse {
  0%, 80%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  40% {
    opacity: 1;
    transform: scale(1.2);
  }
}