/* ═══════════════════════════════════════
   赛赋 SaiFu — 样式表
   ═══════════════════════════════════════ */

:root {
  --bg: #f8f9fa;
  --card-bg: #fff;
  --text: #2c3e50;
  --text-secondary: #666;
  --border: #e0e4e8;
  --accent: #5b6af0;
  --accent-hover: #4a55d4;
  --accent-light: #eef0ff;
  --gold: #f0a500;
  --silver: #8899aa;
  --bronze: #c4703f;
  --green: #27ae60;
  --red: #e74c3c;
  --required: #e74c3c;
  --optional: #27ae60;
  --tag-bg: #f0f4f8;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --radius: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding-bottom: 100px;
}

/* ── 导航栏 ── */
.navbar {
  background: linear-gradient(135deg, #5b6af0, #7b68ee);
  padding: 14px 24px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 8px rgba(91,106,240,0.2);
}
.nav-inner {
  max-width: 900px; margin: 0 auto;
  display: flex; align-items: center; gap: 12px;
}
.nav-brand {
  color: #fff; font-size: 20px; font-weight: 700; text-decoration: none;
}
.nav-tag {
  color: rgba(255,255,255,0.75); font-size: 13px;
  background: rgba(255,255,255,0.15); padding: 3px 10px; border-radius: 20px;
}

/* ── 容器 ── */
.container { max-width: 860px; margin: 0 auto; padding: 20px 16px; }

/* ── Tab 切换 ── */
.tab-switch {
  display: flex; gap: 8px; margin-bottom: 20px;
  background: #fff; border-radius: var(--radius); padding: 6px;
  box-shadow: var(--shadow);
}
.tab-btn {
  flex: 1; padding: 10px 20px; border: none; border-radius: 8px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  background: transparent; color: var(--text-secondary);
  transition: all 0.2s;
}
.tab-btn:hover { color: var(--accent); background: var(--accent-light); }
.tab-btn.active { background: var(--accent); color: #fff; }

/* ── 调研风险项 ── */
.risk-item {
  padding: 12px 0; border-bottom: 1px solid #f0f0f0;
}
.risk-item:last-child { border-bottom: none; }
.risk-type { font-weight: 600; font-size: 14px; color: var(--red); margin-bottom: 4px; }
.risk-detail { font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.risk-solution { font-size: 13px; color: var(--green); font-weight: 500; }

/* ── 进度条 ── */
.progress-wrap {
  background: #fff; border-radius: var(--radius); padding: 16px 20px;
  box-shadow: var(--shadow); margin-bottom: 20px;
}
.progress-info {
  display: flex; justify-content: space-between; margin-bottom: 8px;
  font-size: 13px; color: var(--text-secondary);
}
.progress-track {
  height: 6px; background: var(--border); border-radius: 3px; overflow: hidden;
}
.progress-fill {
  height: 100%; background: var(--accent); border-radius: 3px; transition: width 0.3s;
}

/* ── 折叠区块 ── */
.section {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  margin-bottom: 16px; overflow: hidden;
}
.section-header {
  padding: 16px 20px; cursor: pointer; display: flex; align-items: center; gap: 10px;
  user-select: none; transition: background 0.15s;
}
.section-header:hover { background: #fafbfc; }
.section.open .section-header { border-bottom: 1px solid var(--border); }
.section-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.section-arrow {
  margin-left: auto; font-size: 12px; color: var(--text-secondary); transition: transform 0.2s;
}
.section.open .section-arrow { transform: rotate(180deg); }

.section-body { padding: 20px; }
.badge-required {
  font-size: 11px; padding: 2px 8px; border-radius: 20px;
  background: #ffeaea; color: var(--required); font-weight: 500;
}

/* ── 表单 ── */
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text);
}
.form-row .req { color: var(--required); }

input[type="text"], select, textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; font-family: inherit;
  transition: border-color 0.2s; background: #fafbfc;
}
input[type="text"]:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); background: #fff;
}
.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; }
.cb-label {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 20px;
  font-size: 13px; cursor: pointer; transition: all 0.15s; user-select: none;
}
.cb-label:hover { border-color: var(--accent); background: var(--accent-light); }
.cb-label:has(input:checked) {
  border-color: var(--accent); background: var(--accent-light); color: var(--accent);
}
.cb-label input[type="checkbox"] { display: none; }

/* ── 匹配按钮 ── */
.match-btn-wrap { text-align: center; padding: 24px 0; }
.btn-match {
  padding: 16px 48px; font-size: 18px; font-weight: 700;
  border: none; border-radius: 12px; cursor: pointer;
  background: linear-gradient(135deg, #5b6af0, #7b68ee);
  color: #fff; transition: all 0.2s; box-shadow: 0 4px 16px rgba(91,106,240,0.3);
}
.btn-match:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(91,106,240,0.4); }
.btn-match:disabled { background: #ccc; cursor: not-allowed; box-shadow: none; transform: none; }
.match-hint { margin-top: 10px; font-size: 13px; color: var(--text-secondary); }

.btn-retry {
  padding: 10px 24px; margin-top: 12px; font-size: 14px; font-weight: 600;
  border: 1px solid var(--accent); border-radius: 8px; cursor: pointer;
  background: #fff; color: var(--accent);
}

/* ── 加载状态 ── */
.loading-card {
  background: #fff; border-radius: var(--radius); padding: 40px 24px;
  text-align: center; box-shadow: var(--shadow);
}
.spinner {
  width: 48px; height: 48px; margin: 0 auto 20px;
  border: 4px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-card h3 { font-size: 18px; margin-bottom: 20px; color: var(--text); }
.loading-steps { text-align: left; max-width: 360px; margin: 0 auto 16px; }
.load-step {
  padding: 8px 0; font-size: 14px; color: var(--text-secondary);
  transition: all 0.3s;
}
.load-step.active { color: var(--accent); font-weight: 600; }
.load-step.done { color: var(--green); }
.loading-time { font-size: 13px; color: var(--text-secondary); }

/* ── 错误卡片 ── */
.error-card {
  background: #fff; border-radius: var(--radius); padding: 32px 24px;
  text-align: center; box-shadow: var(--shadow); border: 1px solid #fdd;
}
.error-card h3 { color: var(--red); margin-bottom: 8px; }
.error-card p { color: var(--text-secondary); font-size: 14px; }
.error-hint { margin-top: 12px; font-size: 13px !important; color: #999 !important; }

/* ── 结果区 ── */
.result-title {
  font-size: 18px; margin: 28px 0 16px; padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-light);
}
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}

/* 竞赛卡片 */
.comp-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; transition: transform 0.15s;
}
.comp-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.comp-card.top-1 { border-top: 3px solid var(--gold); }
.comp-card.top-2 { border-top: 3px solid var(--silver); }
.comp-card.top-3 { border-top: 3px solid var(--bronze); }

.card-header {
  padding: 16px 20px 12px; border-bottom: 1px solid #f0f0f0;
}
.card-score {
  font-size: 24px; font-weight: 800; color: var(--accent);
}
.card-score small { font-size: 13px; font-weight: 400; color: var(--text-secondary); }
.card-name {
  font-size: 17px; font-weight: 700; margin: 4px 0;
}
.card-meta {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px;
}
.card-tag {
  font-size: 11px; padding: 3px 8px; border-radius: 4px; font-weight: 500;
}
.tag-cat { background: #e8f0fe; color: #4a6fa5; }
.tag-focus { background: #fff3e0; color: #e65100; }
.tag-score { background: #e8f5e9; color: #2e7d32; }

.card-body { padding: 12px 20px 16px; }
.card-body p { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; line-height: 1.5; }
.card-body .label { font-weight: 600; color: var(--text); font-size: 13px; }

.card-footer {
  padding: 12px 20px; background: #fafbfc; border-top: 1px solid #f0f0f0;
  display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--text-secondary);
}
.card-footer span { display: inline-flex; align-items: center; gap: 3px; }

/* 资源列表 */
.resource-list {
  display: flex; flex-direction: column; gap: 10px;
}
.resource-item {
  background: #fff; border-radius: var(--radius); padding: 14px 20px;
  box-shadow: var(--shadow); display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
}
.resource-item .res-name { font-weight: 600; font-size: 14px; }
.resource-item .res-link { font-size: 12px; color: var(--accent); word-break: break-all; }

/* 小贴士卡片 */
.tips-card {
  background: #fff; border-radius: var(--radius); padding: 24px 20px;
  box-shadow: var(--shadow); margin-top: 28px;
}
.tips-card h3 { font-size: 16px; margin-bottom: 12px; }
.tips-card .tip-item { font-size: 13px; color: var(--text-secondary); padding: 4px 0; }

/* 平台备注 */
.platform-note {
  background: #fff; border-radius: var(--radius); padding: 14px 20px;
  box-shadow: var(--shadow); margin-top: 16px; text-align: center;
  font-size: 12px; color: var(--text-secondary);
}

/* ── 响应式：平板 ── */
@media (max-width: 768px) {
  .card-grid { grid-template-columns: 1fr; }
  .container { padding: 12px 10px; }
  .btn-match { width: 100%; font-size: 16px; padding: 14px; }
}

/* ── 响应式：手机端 (≤480px) ── */
@media (max-width: 480px) {
  /* 导航栏 — 堆叠 + 缩小 */
  .nav-inner {
    flex-wrap: wrap; justify-content: center; gap: 8px;
  }
  .nav-brand { font-size: 16px; }
  .nav-tag { font-size: 11px; padding: 2px 8px; }
  .navbar { padding: 10px 12px; }
  .nav-inner .btn-contact {
    margin-left: 0; font-size: 12px; padding: 6px 14px;
  }

  /* 容器 */
  .container { padding: 10px 8px; }

  /* 进度条 */
  .progress-wrap { padding: 12px 14px; }

  /* 表单区块 */
  .section-header { padding: 12px 14px; }
  .section-body { padding: 14px; }

  /* 选项标签 — 触摸友好 */
  .cb-label {
    padding: 8px 14px; font-size: 14px; min-height: 44px;
  }

  /* 输入框 — 防 iOS 自动缩放 */
  input[type="text"], input[type="url"], textarea, select {
    font-size: 16px;
  }

  /* 匹配按钮 */
  .match-hint { font-size: 12px; }

  /* 结果卡片 */
  .result-title { font-size: 16px; }
  .card-header { padding: 12px 14px; }
  .card-body { padding: 10px 14px; }
  .card-footer { padding: 10px 14px; }

  /* 资源列表 */
  .resource-item { padding: 10px 14px; }

  /* 加载卡片 */
  .loading-card { padding: 24px 16px; }

  /* 错误卡片 */
  .error-card { padding: 24px 16px; }

  /* 小贴士 */
  .tips-card { padding: 16px 14px; }
}

/* ── 导出按钮区 ── */
.export-buttons {
  text-align: center;
  padding: 24px 0 8px;
  margin-top: 20px;
  border-top: 1px solid var(--border);
}
.export-buttons .btn-export {
  margin: 0 6px 8px;
  font-size: 14px;
  padding: 10px 20px;
}
.export-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ── 打印样式：隐藏无关元素，只留结果区 ── */
@media print {
  /* 隐藏导航栏、表单、进度条、加载区、错误区 */
  .navbar,
  #formArea,
  .progress-wrap,
  #loadingArea,
  #errorArea,
  .back-bar,
  .export-buttons,
  .export-hint,
  .platform-note,
  .btn-contact,
  .contact-modal-overlay,
  #importArea,
  .tab-bar,
  .match-btn-wrap,
  .toast {
    display: none !important;
  }

  /* 结果区全宽 */
  #resultArea {
    display: block !important;
    max-width: 100%;
  }

  .container {
    max-width: 100%;
    padding: 0;
    margin: 0;
  }

  .card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  /* 卡片在打印时不悬停 */
  .comp-card:hover {
    transform: none;
    box-shadow: var(--shadow);
  }

  /* 确保文字可读 */
  body {
    font-size: 12px;
    color: #000;
    background: #fff;
  }

  .result-title {
    font-size: 16px;
    margin-top: 16px;
  }

  @page {
    margin: 12mm;
  }
}