* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f6f8;
  color: #1f2430;
  margin: 0;
}
.container { max-width: 760px; margin: 0 auto; padding: 32px 20px; }
.login-box { max-width: 360px; margin: 80px auto; background: #fff; padding: 32px; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.login-box h1 { font-size: 20px; margin-bottom: 20px; text-align: center; }
form label { display: block; margin-bottom: 14px; font-size: 14px; color: #555; }
form input, form textarea { width: 100%; padding: 9px 10px; margin-top: 6px; border: 1px solid #dcdfe4; border-radius: 6px; font-size: 14px; font-family: inherit; }
form button { width: 100%; padding: 10px; background: #2f6feb; color: #fff; border: none; border-radius: 6px; font-size: 14px; cursor: pointer; }
.record-form button { width: auto; padding: 8px 20px; }
.error { color: #d33; font-size: 13px; margin-bottom: 10px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.topbar h1 { font-size: 20px; margin: 0; }
.topbar a { margin-left: 12px; color: #666; text-decoration: none; font-size: 13px; }
.btn { display: inline-block; margin-bottom: 20px; padding: 8px 16px; background: #2f6feb; color: #fff; border-radius: 6px; text-decoration: none; font-size: 14px; }
.record-card { background: #fff; border-radius: 10px; padding: 16px 20px; margin-bottom: 14px; box-shadow: 0 1px 4px rgba(0,0,0,0.05); }
.record-header { display: flex; justify-content: space-between; align-items: baseline; }
.record-header h2 { font-size: 16px; margin: 0; }
.tag { font-size: 12px; background: #eef2ff; color: #2f6feb; padding: 2px 8px; border-radius: 10px; }
.record-content { white-space: pre-wrap; color: #444; font-size: 14px; margin: 10px 0; }
.record-meta { font-size: 12px; color: #999; display: flex; gap: 12px; align-items: center; }
.record-meta a { color: #2f6feb; text-decoration: none; }
.link-btn { background: none; border: none; color: #d33; cursor: pointer; font-size: 12px; padding: 0; }
.empty { color: #999; text-align: center; padding: 40px 0; }
.form-actions { display: flex; gap: 12px; align-items: center; }
.form-actions a { color: #666; text-decoration: none; font-size: 14px; }