/**
 * ===================================================================
 * 小测试自定义主题样式 (Theme & Component CSS)
 * ===================================================================
 * 遵循 Pico CSS 2.1.1 规范，补充手机优先的浅色质感、卡片流式布局、
 * 选项交互态与分享海报弹窗。
 * ===================================================================
 */

:root {
  /* 基础色调：清爽、温和、可信的青绿浅色主题 */
  --quiz-bg: #f8fafc;
  --quiz-card-bg: #ffffff;
  --quiz-text-main: #1e293b;
  --quiz-text-muted: #64748b;
  --quiz-text-light: #94a3b8;
  
  /* 品牌主色与衍生色 (Teal 体系) */
  --quiz-primary: #0d9488;
  --quiz-primary-hover: #0f766e;
  --quiz-primary-active: #115e59;
  --quiz-primary-light: #f0fdfa;
  --quiz-primary-border: #5eead4;
  --quiz-accent: #f59e0b;

  /* 边框与阴影 */
  --quiz-border: #e2e8f0;
  --quiz-border-strong: #cbd5e1;
  --quiz-radius-card: 18px;
  --quiz-radius-btn: 12px;
  --quiz-shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --quiz-shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.06), 0 2px 6px -2px rgba(15, 23, 42, 0.03);
  --quiz-shadow-lg: 0 16px 36px -6px rgba(15, 23, 42, 0.1), 0 4px 12px -2px rgba(15, 23, 42, 0.04);

  /* 字体族定义 */
  --quiz-font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;

  /* Pico CSS 变量覆盖 */
  --pico-font-family: var(--quiz-font-family);
  --pico-background-color: var(--quiz-bg);
  --pico-card-background-color: var(--quiz-card-bg);
  --pico-color: var(--quiz-text-main);
  --pico-primary: var(--quiz-primary);
  --pico-primary-background: var(--quiz-primary);
  --pico-primary-hover: var(--quiz-primary-hover);
  --pico-border-radius: var(--quiz-radius-btn);
}

/* 全局重置与排版规范 */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--quiz-bg);
  color: var(--quiz-text-main);
  font-family: var(--quiz-font-family);
  font-size: 16px; /* 严格满足手机端不小于 16px */
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 页面主居中容器 */
.quiz-container {
  max-width: 660px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3.5rem 1rem;
}

/* 顶部品牌微徽标 */
.quiz-brand-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--quiz-border);
  font-size: 0.85rem;
  color: var(--quiz-text-muted);
}

.quiz-brand-bar .brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.65rem;
  background-color: var(--quiz-primary-light);
  color: var(--quiz-primary);
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.8rem;
}

/* 统一定制卡片 */
.quiz-card {
  background: var(--quiz-card-bg);
  border-radius: var(--quiz-radius-card);
  box-shadow: var(--quiz-shadow-md);
  border: 1px solid var(--quiz-border);
  padding: 2rem 1.6rem;
  margin-bottom: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (max-width: 576px) {
  .quiz-card {
    padding: 1.5rem 1.15rem;
    border-radius: 14px;
  }
}

/* 封面开场页样式 */
.cover-hero {
  text-align: center;
  padding: 1.5rem 0.5rem 0.5rem 0.5rem;
}

.cover-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--quiz-primary-light), #ccfbf1);
  color: var(--quiz-primary);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  border: 1px solid var(--quiz-primary-border);
}

.cover-title {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--quiz-text-main);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.cover-subtitle {
  font-size: 1.05rem;
  color: var(--quiz-primary);
  font-weight: 600;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.cover-intro {
  font-size: 0.95rem;
  color: var(--quiz-text-muted);
  line-height: 1.7;
  text-align: left;
  background-color: var(--quiz-bg);
  padding: 1rem 1.2rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--quiz-primary);
}

.cover-meta-grid {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
  font-size: 0.85rem;
  color: var(--quiz-text-muted);
}

.cover-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.cover-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.cover-tag {
  font-size: 0.8rem;
  background: var(--quiz-bg);
  color: var(--quiz-text-muted);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--quiz-border);
}

/* 进度条样式 */
.quiz-progress-section {
  margin-bottom: 1.5rem;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--quiz-text-muted);
}

.progress-header .step-highlight {
  color: var(--quiz-primary);
}

.progress-track {
  width: 100%;
  height: 8px;
  background-color: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--quiz-primary), #14b8a6);
  border-radius: 999px;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 答题卡片与题目 */
.question-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--quiz-text-main);
  margin-bottom: 1.5rem;
}

/* 单选选项列表 */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  border: 1.5px solid var(--quiz-border);
  border-radius: var(--quiz-radius-btn);
  background-color: var(--quiz-card-bg);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--quiz-shadow-sm);
  position: relative;
  text-align: left;
}

.option-item:hover {
  border-color: var(--quiz-primary-border);
  background-color: #f8fafc;
  transform: translateY(-1px);
}

.option-item.is-selected {
  border-color: var(--quiz-primary);
  background-color: var(--quiz-primary-light);
  box-shadow: 0 0 0 1px var(--quiz-primary), var(--quiz-shadow-sm);
}

.option-radio-badge {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--quiz-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--quiz-text-muted);
  background-color: #ffffff;
  transition: all 0.2s ease;
  margin-top: 1px;
}

.option-item.is-selected .option-radio-badge {
  background-color: var(--quiz-primary);
  border-color: var(--quiz-primary);
  color: #ffffff;
}

.option-text {
  flex: 1;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--quiz-text-main);
  word-break: break-word;
}

.option-item.is-selected .option-text {
  font-weight: 600;
  color: #0f766e;
}

/* 导航操作栏 */
.nav-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.5rem;
}

.btn-primary {
  background-color: var(--quiz-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--quiz-radius-btn);
  padding: 0.85rem 1.6rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
  margin-bottom: 0;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--quiz-primary-hover);
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.35);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background-color: #cbd5e1;
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.7;
}

.btn-secondary {
  background-color: transparent;
  color: var(--quiz-text-muted);
  border: 1.5px solid var(--quiz-border);
  border-radius: var(--quiz-radius-btn);
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-bottom: 0;
}

.btn-secondary:hover {
  background-color: #f1f5f9;
  border-color: var(--quiz-border-strong);
  color: var(--quiz-text-main);
}

/* 结果页展示 */
.result-header-card {
  text-align: center;
  padding: 2.2rem 1.5rem 1.8rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.result-header-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--quiz-primary), #2dd4bf, var(--quiz-accent));
}

.result-prefix {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--quiz-text-muted);
  margin-bottom: 0.5rem;
}

.result-name {
  font-size: 1.85rem;
  font-weight: 800;
  color: #0f766e;
  line-height: 1.3;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.result-badge {
  display: inline-block;
  background-color: var(--quiz-primary-light);
  color: var(--quiz-primary);
  border: 1px solid var(--quiz-primary-border);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.result-quote-box {
  background: #f8fafc;
  border: 1px solid var(--quiz-border);
  border-radius: 12px;
  padding: 1.15rem 1.35rem;
  margin-bottom: 1.5rem;
  position: relative;
  font-style: italic;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--quiz-text-main);
  line-height: 1.6;
}

.result-quote-box::before {
  content: "“";
  font-size: 2.2rem;
  color: var(--quiz-primary);
  position: absolute;
  top: -10px;
  left: 10px;
  opacity: 0.4;
  font-family: serif;
}

/* 结果细节拆解区块 */
.result-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--quiz-text-main);
  margin-bottom: 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid #f1f5f9;
}

.result-summary-text {
  font-size: 0.98rem;
  line-height: 1.75;
  color: #334155;
  margin-bottom: 1.25rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.55;
}

.feature-list-item .icon {
  flex-shrink: 0;
  color: var(--quiz-primary);
  margin-top: 2px;
}

.pitfall-box {
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
  font-size: 0.92rem;
  color: #92400e;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

/* 结果页操作按钮区 */
.result-action-cluster {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

.btn-generate-poster {
  width: 100%;
  padding: 0.95rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.btn-retest {
  width: 100%;
  text-align: center;
  color: var(--quiz-text-muted);
}

/* 后续引导卡片 */
.next-step-card {
  background: linear-gradient(135deg, #ffffff, var(--quiz-primary-light));
  border: 1.5px solid var(--quiz-primary-border);
}

.next-step-badge {
  display: inline-block;
  background-color: #ffedd5;
  color: #c2410c;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.next-step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--quiz-text-main);
  margin-bottom: 0.5rem;
}

.next-step-desc {
  font-size: 0.92rem;
  color: var(--quiz-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.next-step-contact {
  font-size: 0.85rem;
  color: #475569;
  background: rgba(255, 255, 255, 0.8);
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px dashed var(--quiz-border);
  margin-top: 0.75rem;
}

/* 海报预览模态窗 */
.poster-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.poster-modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.poster-modal-content {
  background: #ffffff;
  border-radius: 18px;
  max-width: 480px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  padding: 1.5rem;
  box-shadow: var(--quiz-shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  animation: modalScaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleUp {
  from {
    transform: scale(0.94);
  }
  to {
    transform: scale(1);
  }
}

.poster-modal-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.poster-modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--quiz-text-main);
  margin: 0;
}

.poster-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--quiz-text-muted);
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.poster-close-btn:hover {
  background: #f1f5f9;
  color: var(--quiz-text-main);
}

.poster-image-container {
  width: 100%;
  text-align: center;
  margin-bottom: 1rem;
}

.poster-preview-img {
  max-width: 100%;
  max-height: 52vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--quiz-border);
}

.poster-save-tip {
  font-size: 0.85rem;
  color: var(--quiz-text-muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.poster-btn-group {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* 复制文案成功或提示 Toast */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1e293b;
  color: #ffffff;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--quiz-shadow-lg);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast-notice.is-show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* 隐藏不可见的辅助工作区（用于离屏生成二维码等） */
.offscreen-container {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 300px;
  height: 300px;
  overflow: hidden;
}

/* 手动复制输入框容器（剪贴板受限降级使用） */
.manual-copy-box {
  width: 100%;
  margin-top: 0.75rem;
  display: none;
}

.manual-copy-box textarea {
  width: 100%;
  height: 70px;
  font-size: 0.85rem;
  padding: 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--quiz-border-strong);
  resize: none;
  margin-bottom: 0.35rem;
}