/* 临时身份生成器样式 —— 简洁现代风 */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg: #f5f7fa;
  --card-bg: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

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

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  color: #fff;
  padding: 40px 0 34px;
  text-align: center;
}
.site-title { font-size: 2rem; font-weight: 700; letter-spacing: 0.5px; }
.site-sub { margin-top: 8px; font-size: 0.95rem; opacity: 0.9; }

/* Control panel */
.control-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-top: -18px;
  position: relative;
  z-index: 2;
}
.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
}
.field { display: flex; flex-direction: column; gap: 6px; min-width: 220px; flex: 1; }
.field-label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.select {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: #fff;
  cursor: pointer;
  width: 100%;
}
.select:focus { outline: 2px solid var(--primary); border-color: transparent; }

.btn {
  padding: 11px 18px;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-outline { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover:not(:disabled) { background: #eff6ff; }

.hint { margin-top: 14px; font-size: 0.8rem; color: var(--text-muted); }

/* Result */
.result-area { margin-top: 24px; }
.result-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
}
.result-header h2 { font-size: 1.25rem; }
.generated-at { font-size: 0.8rem; color: var(--text-muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
}
.card-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--primary);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
}
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 4px 12px; font-size: 0.88rem; }
.kv dt { color: var(--text-muted); word-break: break-word; }
.kv dd { font-weight: 500; word-break: break-all; }
.kv .list-val { font-weight: 500; }

/* JSON section */
.json-section { margin-top: 20px; }
.json-summary {
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  padding: 10px 0;
}
.raw-json {
  background: #111827;
  color: #d1d5db;
  padding: 16px;
  border-radius: 8px;
  font-size: 0.78rem;
  overflow: auto;
  max-height: 480px;
  font-family: "SF Mono", Consolas, "Courier New", monospace;
  white-space: pre;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 30px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 40px;
}

.hidden { display: none; }

@media (max-width: 640px) {
  .control-row { flex-direction: column; align-items: stretch; }
  .field { min-width: 100%; }
  .kv { grid-template-columns: 100px 1fr; }
}