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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
  line-height: 1.6;
}

/* ===== 头部 ===== */
header {
  text-align: center;
  padding: 3rem 1rem 2rem;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  border-bottom: 1px solid #475569;
}

header h1 {
  font-size: 2.2rem;
  background: linear-gradient(90deg, #38bdf8, #818cf8, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: #94a3b8;
  margin-top: 0.5rem;
  font-size: 1rem;
}

.env-info {
  margin-top: 1rem;
  display: inline-block;
  padding: 0.4rem 1rem;
  background: #1e293b;
  border: 1px solid #475569;
  border-radius: 20px;
  font-size: 0.85rem;
  color: #94a3b8;
}

/* ===== 主区域 ===== */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.category {
  margin-bottom: 2.5rem;
}

.category h2 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #334155;
  color: #38bdf8;
}

/* ===== 卡片网格 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 1.2rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: #38bdf8;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.15);
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: #f1f5f9;
}

.card p {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 0.8rem;
}

.full-width {
  grid-column: 1 / -1;
}

/* ===== 徽章 ===== */
.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.badge-static { background: #064e3b; color: #6ee7b7; }
.badge-func { background: #1e3a5f; color: #7dd3fc; }
.badge-npm { background: #7f1d1d; color: #fca5a5; }

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  font-size: 0.82rem;
  border: 1px solid #475569;
  border-radius: 8px;
  background: #334155;
  color: #e2e8f0;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}

.btn:hover {
  background: #475569;
  border-color: #64748b;
}

.btn-primary {
  background: linear-gradient(90deg, #2563eb, #7c3aed);
  border-color: transparent;
  color: #fff;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-large {
  padding: 0.7rem 2rem;
  font-size: 1rem;
}

.btn-group {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

/* ===== 结果显示 ===== */
.result {
  margin-top: 0.6rem;
  padding: 0.6rem;
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: "SF Mono", Monaco, "Cascadia Code", monospace;
  color: #94a3b8;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.result.success { color: #6ee7b7; border-color: #064e3b; }
.result.error { color: #fca5a5; border-color: #7f1d1d; }

/* ===== 测试报告 ===== */
.test-report {
  margin-top: 1rem;
}

.test-report table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.test-report th, .test-report td {
  padding: 0.5rem;
  border: 1px solid #334155;
  text-align: left;
}

.test-report th {
  background: #334155;
  color: #f1f5f9;
}

.test-report .pass { color: #6ee7b7; font-weight: 600; }
.test-report .fail { color: #fca5a5; font-weight: 600; }

/* ===== 页脚 ===== */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: #64748b;
  font-size: 0.8rem;
  border-top: 1px solid #1e293b;
}