/* ===== 基础重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-deep: #0a0a12;
  --bg-card: #12121e;
  --bg-card-hover: #1a1a2e;
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --accent-pink: #ff6b9d;
  --accent-cyan: #00d4ff;
  --accent-purple: #a855f7;
  --accent-orange: #ff9f43;
  --accent-green: #2ed573;
  --accent-red: #ff4757;
  --accent-yellow: #ffd700;
  --gradient-love: linear-gradient(135deg, #ff6b9d, #ff4757);
  --gradient-cool: linear-gradient(135deg, #00d4ff, #a855f7);
  --shadow-glow: 0 0 30px rgba(255, 107, 157, 0.3);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

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

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(10, 10, 18, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--gradient-love);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 107, 157, 0.1);
  border-color: rgba(255, 107, 157, 0.3);
}

/* ===== 页面区域 ===== */
.section {
  display: none;
  min-height: 100vh;
  padding-top: 80px;
  position: relative;
  z-index: 1;
}

.section.active {
  display: block;
}

/* ===== 首页 ===== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 80px);
  text-align: center;
  padding: 2rem;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.title-line {
  display: block;
  background: var(--gradient-cool);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-line.love {
  background: var(--gradient-love);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(255, 107, 157, 0.4)); }
  50% { filter: drop-shadow(0 0 40px rgba(255, 107, 157, 0.7)); }
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  animation: fade-in-up 1s ease 0.3s both;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  animation: fade-in-up 1s ease 0.6s both;
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 按钮 ===== */
.btn {
  padding: 1rem 3rem;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-love);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 50px rgba(255, 107, 157, 0.5);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-pink);
  border: 2px solid var(--accent-pink);
}

.btn-secondary:hover {
  background: rgba(255, 107, 157, 0.1);
}

.btn-awaken {
  padding: 1.2rem 4rem;
  font-size: 1.3rem;
  animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  10% { transform: scale(1.05); }
  20% { transform: scale(1); }
  30% { transform: scale(1.05); }
  40% { transform: scale(1); }
}

.hint-text {
  color: var(--text-secondary);
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ===== 统计栏 ===== */
.stats-bar {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  animation: fade-in-up 1s ease 0.9s both;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-cool);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ===== 弹幕 ===== */
.danmaku-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 50;
  overflow: hidden;
}

.danmaku {
  position: absolute;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  animation: danmaku-fly 3s ease-out forwards;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.danmaku.classic { background: rgba(255, 71, 87, 0.9); color: white; }
.danmaku.poison { background: rgba(168, 85, 247, 0.9); color: white; }
.danmaku.gentle { background: rgba(0, 212, 255, 0.9); color: white; }
.danmaku.funny { background: rgba(255, 159, 67, 0.9); color: white; }

@keyframes danmaku-fly {
  0% { opacity: 0; transform: scale(0.5) rotate(-5deg); }
  15% { opacity: 1; transform: scale(1.1) rotate(2deg); }
  30% { transform: scale(1) rotate(0deg); }
  85% { opacity: 1; }
  100% { opacity: 0; transform: scale(0.8) translateY(-50px); }
}

/* 各种飞入方向 */
.danmaku.from-left { animation-name: fly-from-left; }
.danmaku.from-right { animation-name: fly-from-right; }
.danmaku.from-top { animation-name: fly-from-top; }
.danmaku.from-bottom { animation-name: fly-from-bottom; }
.danmaku.from-center { animation-name: fly-from-center; }

@keyframes fly-from-left {
  0% { opacity: 0; transform: translateX(-100vw) rotate(-10deg); }
  20% { opacity: 1; transform: translateX(0) rotate(0deg); }
  80% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(50px) translateY(-30px) scale(0.8); }
}

@keyframes fly-from-right {
  0% { opacity: 0; transform: translateX(100vw) rotate(10deg); }
  20% { opacity: 1; transform: translateX(0) rotate(0deg); }
  80% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(-50px) translateY(-30px) scale(0.8); }
}

@keyframes fly-from-top {
  0% { opacity: 0; transform: translateY(-100vh) scale(0.3); }
  20% { opacity: 1; transform: translateY(0) scale(1.1); }
  80% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(50px) scale(0.8); }
}

@keyframes fly-from-bottom {
  0% { opacity: 0; transform: translateY(100vh) scale(0.3); }
  20% { opacity: 1; transform: translateY(0) scale(1.1); }
  80% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-50px) scale(0.8); }
}

@keyframes fly-from-center {
  0% { opacity: 0; transform: scale(0) rotate(180deg); }
  30% { opacity: 1; transform: scale(1.2) rotate(0deg); }
  80% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.5) rotate(10deg); }
}

/* ===== 觉醒覆盖层 ===== */
.awaken-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255, 107, 157, 0.2), transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  z-index: 60;
  transition: opacity 0.3s;
}

.awaken-overlay.show {
  opacity: 1;
}

.awaken-text {
  font-size: clamp(2rem, 8vw, 5rem);
  font-weight: 900;
  background: var(--gradient-love);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: awaken-boom 0.8s ease-out forwards;
}

@keyframes awaken-boom {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 0; }
}

/* ===== 页面通用标题 ===== */
.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.5rem;
  background: var(--gradient-cool);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

/* ===== 自测页面 ===== */
.quiz-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem;
}

.quiz-progress {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  margin-bottom: 2rem;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--gradient-love);
  border-radius: 3px;
  transition: width 0.5s ease;
}

.quiz-question {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.question-number {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--gradient-love);
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.question-text {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.quiz-option {
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-primary);
  font-size: 1rem;
  text-align: left;
  font-family: inherit;
}

.quiz-option:hover {
  border-color: var(--accent-pink);
  background: rgba(255, 107, 157, 0.05);
  transform: translateX(5px);
}

.quiz-option.selected {
  border-color: var(--accent-pink);
  background: rgba(255, 107, 157, 0.1);
}

/* ===== 测试结果 ===== */
.result-card {
  background: var(--bg-card);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  animation: fade-in-up 0.6s ease;
}

.result-emoji {
  font-size: 5rem;
  margin-bottom: 1rem;
  animation: bounce 1s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.result-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--gradient-love);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-desc {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1rem;
}

.result-score {
  margin-bottom: 2rem;
}

.score-label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.score-bar {
  width: 100%;
  max-width: 300px;
  height: 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  margin: 0 auto 0.5rem;
  overflow: hidden;
}

.score-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-love);
  border-radius: 6px;
  transition: width 1.5s ease;
}

.score-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-pink);
}

.result-quote {
  background: rgba(255, 107, 157, 0.1);
  border-left: 4px solid var(--accent-pink);
  padding: 1rem 1.5rem;
  border-radius: 0 12px 12px 0;
  margin-bottom: 2rem;
  font-style: italic;
  color: var(--text-primary);
  text-align: left;
}

/* ===== 语录墙 ===== */
.wall-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  border-radius: 25px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

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

.filter-btn.active {
  background: var(--gradient-love);
  color: white;
  border-color: transparent;
}

.wall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.2rem;
}

.quote-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
  position: relative;
  cursor: pointer;
}

.quote-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 107, 157, 0.3);
}

.quote-tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.quote-tag.classic { background: rgba(255, 71, 87, 0.2); color: #ff6b81; }
.quote-tag.poison { background: rgba(168, 85, 247, 0.2); color: #c084fc; }
.quote-tag.gentle { background: rgba(0, 212, 255, 0.2); color: #67e8f9; }
.quote-tag.funny { background: rgba(255, 159, 67, 0.2); color: #fdba74; }

.quote-text {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.quote-actions {
  display: flex;
  gap: 0.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.quote-card:hover .quote-actions {
  opacity: 1;
}

.quote-btn {
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.quote-btn:hover {
  background: rgba(255, 107, 157, 0.1);
  color: var(--accent-pink);
  border-color: var(--accent-pink);
}

/* ===== Toast提示 ===== */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 1rem 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 107, 157, 0.3);
  z-index: 2000;
  transition: transform 0.4s ease;
  font-size: 0.95rem;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ===== 页脚 ===== */
.footer {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 4rem;
}

.footer-sub {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .navbar {
    padding: 0.8rem 1rem;
  }
  
  .nav-logo {
    font-size: 1rem;
  }
  
  .nav-link {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .stats-bar {
    gap: 1.5rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .wall-grid {
    grid-template-columns: 1fr;
  }
  
  .quote-actions {
    opacity: 1;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 107, 157, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 107, 157, 0.5);
}