:root {
  --primary: #ff6b6b;
  --primary-dark: #ee5a52;
  --secondary: #4ecdc4;
  --accent: #ffd93d;
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface-light: #242424;
  --text: #ffffff;
  --text-muted: #a0a0a0;
  --border: #333;
  --shadow: rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: 'Noto Sans SC', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 背景装饰球 */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -200px;
  left: -150px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--secondary);
  bottom: -150px;
  right: -100px;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: var(--accent);
  top: 50%;
  right: -100px;
}

/* 容器 */
.container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
  min-height: 100vh;
}

/* 屏幕切换 */
.screen {
  display: none;
  animation: fadeIn 0.5s ease;
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === 开始页面 === */
.hero {
  text-align: center;
  margin-bottom: 60px;
}

.badge {
  display: inline-block;
  padding: 8px 16px;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
}

.title {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.title-main {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-sub {
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  font-weight: 700;
  color: var(--text-muted);
}

.subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 500px;
  margin: 0 auto;
}

.intro-box {
  display: grid;
  gap: 16px;
  margin-bottom: 40px;
}

.intro-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.intro-item:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}

.intro-item .emoji {
  font-size: 2rem;
  flex-shrink: 0;
}

.intro-text h3 {
  font-size: 1.125rem;
  margin-bottom: 4px;
  color: var(--text);
}

.intro-text p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 1.0625rem;
  font-weight: 700;
  font-family: inherit;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-start {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.4);
  margin-bottom: 32px;
}

.btn-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 107, 107, 0.5);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 16px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.4);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface-light);
  border-color: var(--text-muted);
}

.footnote {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* === 测试页面 === */
.progress-bar {
  margin-bottom: 32px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-muted);
}

.progress-track {
  height: 8px;
  background: var(--surface);
  border-radius: 100px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 100px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.question-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  margin-bottom: 24px;
}

.question-category {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(255, 107, 107, 0.15);
  border: 1px solid rgba(255, 107, 107, 0.3);
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.question-text {
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  color: var(--text);
}

.options {
  display: grid;
  gap: 12px;
}

.option {
  padding: 18px 20px;
  background: var(--surface-light);
  border: 2px solid var(--border);
  border-radius: 12px;
  font-size: 1rem;
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  font-family: inherit;
  font-weight: 500;
  line-height: 1.6;
}

.option:hover {
  border-color: var(--primary);
  background: rgba(255, 107, 107, 0.1);
  transform: translateX(4px);
}

.option.selected {
  border-color: var(--primary);
  background: rgba(255, 107, 107, 0.15);
  font-weight: 600;
}

.nav-buttons {
  display: flex;
  gap: 12px;
}

.nav-buttons .btn {
  flex: 1;
}

/* === 结果页面 === */
.result-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(255, 217, 61, 0.15);
  border: 1px solid rgba(255, 217, 61, 0.3);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
}

.result-qr-section {
  display: inline-block;
  text-align: center;
}

.qr-image {
  display: inline-block;
  width: 100px;
  height: 100px;
  border-radius: 10px;
  background: white;
  padding: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.qr-tip {
  margin: 12px 0 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

.result-hero {
  text-align: center;
  padding: 40px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  margin-bottom: 32px;
}

.result-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.result-persona {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 900;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-desc {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px;
}

.scores-section {
  margin-bottom: 40px;
}

.scores-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.scores-list {
  display: grid;
  gap: 10px;
  max-height: 500px;
  overflow-y: auto;
  padding: 4px;
}

.score-item {
  display: grid;
  grid-template-columns: 160px 1fr 60px;
  gap: 16px;
  align-items: center;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.score-item:hover {
  border-color: var(--text-muted);
}

.score-item.winner {
  background: rgba(255, 107, 107, 0.1);
  border-color: var(--primary);
}

.score-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.score-item.winner .score-name {
  color: var(--primary);
  font-weight: 700;
}

.score-bar-container {
  height: 10px;
  background: var(--surface-light);
  border-radius: 100px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.score-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  border-radius: 100px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.score-item.winner .score-bar {
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.score-value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: right;
}

.score-item.winner .score-value {
  color: var(--primary);
}

.result-actions {
  display: flex;
  gap: 12px;
}

.result-actions .btn {
  flex: 1;
}

/* 桌面端显示 */
.desktop-only {
  display: block;
}

/* 响应式 */
@media (max-width: 640px) {
  .container {
    padding: 24px 16px;
  }

  .question-card {
    padding: 24px 20px;
  }

  .nav-buttons {
    flex-direction: column-reverse;
  }

  .result-actions {
    flex-direction: column;
  }

  .score-item {
    grid-template-columns: 120px 1fr 50px;
    gap: 12px;
    padding: 10px 12px;
  }

  .score-name {
    font-size: 0.875rem;
  }

  /* 移动端隐藏分数列表 */
  .desktop-only {
    display: none !important;
  }

  /* 移动端调整二维码和人格卡片 */
  .qr-image {
    width: 90px;
    height: 90px;
  }

  .result-hero {
    padding: 32px 24px;
  }
}

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

.scores-list::-webkit-scrollbar-track {
  background: var(--surface);
  border-radius: 4px;
}

.scores-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.scores-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* === 截图区域 === */
.screenshot-area {
  background: var(--bg);
  padding: 32px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.screenshot-header {
  text-align: center;
  margin-bottom: 24px;
}

.screenshot-logo {
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.screenshot-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.screenshot-tip {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.screenshot-qr {
  display: flex;
  justify-content: center;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

/* 截图时只显示前5个 */
.screenshot-mode .scores-list {
  max-height: none;
  overflow: visible;
}

.screenshot-mode .score-item:nth-child(n+6) {
  display: none;
}

/* === 截图预览弹窗 === */
.screenshot-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.screenshot-modal.active {
  display: block;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  max-width: 500px;
  max-height: 90vh;
  margin: 5vh auto;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--surface-light);
  color: var(--text);
}

.modal-body {
  padding: 24px;
  max-height: calc(90vh - 160px);
  overflow-y: auto;
}

.modal-body img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
}

.modal-footer .btn {
  flex: 1;
}

/* 生成截图时的加载状态 */
.generating-screenshot .btn-secondary {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.generating-screenshot .btn-secondary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}