* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, "Segoe UI", "PingFang SC", sans-serif;
  background: #f5f6fa; color: #2c3e50;
}
.hidden { display: none !important; }

.screen { min-height: 100vh; }

/* 登录 */
.login-box {
  max-width: 360px; margin: 120px auto; padding: 32px;
  background: #fff; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,.08);
  text-align: center;
}
.login-box h2 { margin-top: 0; }
.login-box input { width: 100%; padding: 10px 12px; margin: 12px 0;
  border: 1px solid #dcdde1; border-radius: 8px; font-size: 14px; }
.login-box button { width: 100%; padding: 10px; background: #3498db; color: #fff;
  border: 0; border-radius: 8px; cursor: pointer; font-size: 14px; }
.login-box .hint { color: #95a5a6; font-size: 12px; margin-top: 16px; }

/* 主体 */
header { display: flex; justify-content: space-between; align-items: center;
  padding: 16px 24px; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
header h1 { margin: 0; font-size: 18px; }
.actions { display: flex; gap: 16px; align-items: center; }
.stat { color: #7f8c8d; font-size: 13px; }
.btn-text { background: transparent; border: 0; color: #3498db; cursor: pointer; }

.panel { background: #fff; margin: 16px 24px; padding: 20px; border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.panel h3 { margin-top: 0; }

.form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap;
  margin-bottom: 12px; }
.form-row label { display: flex; flex-direction: column; font-size: 12px;
  color: #7f8c8d; }
.form-row input, .form-row select {
  margin-top: 4px; padding: 6px 10px; border: 1px solid #dcdde1; border-radius: 6px;
  font-size: 14px; min-width: 120px; }
.form-row input[type=text] { min-width: 180px; }

button { padding: 6px 14px; border: 1px solid #dcdde1; border-radius: 6px;
  background: #fff; cursor: pointer; font-size: 14px; }
button:hover { background: #ecf0f1; }
button.primary { background: #3498db; color: #fff; border-color: #3498db; }
button.primary:hover { background: #2980b9; }
button.warn { background: #f39c12; color: #fff; border-color: #f39c12; }
button.danger { background: #e74c3c; color: #fff; border-color: #e74c3c; }

#generated-list { width: 100%; padding: 10px; border: 1px solid #dcdde1;
  border-radius: 6px; font-family: ui-monospace, Menlo, monospace; font-size: 13px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th, table td { padding: 8px 10px; border-bottom: 1px solid #ecf0f1;
  text-align: left; }
table th { background: #f8f9fa; font-weight: 600; color: #34495e; }
table tr:hover { background: #fafbfc; }
.code { font-family: ui-monospace, Menlo, monospace; cursor: pointer; }
.code:hover { background: #fffacd; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; }
.tag-unused { background: #ecf0f1; color: #7f8c8d; }
.tag-active { background: #d5f4e6; color: #16a085; }
.tag-paused { background: #fff3cd; color: #f39c12; }
.tag-expired { background: #fadbd8; color: #c0392b; }
.tag-banned { background: #2c3e50; color: #fff; }

.pagination { display: flex; gap: 12px; align-items: center; justify-content: flex-end;
  margin-top: 12px; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.4);
  display: flex; justify-content: center; align-items: center; z-index: 100; }
.modal-content { background: #fff; padding: 24px; border-radius: 12px;
  width: 480px; max-width: 90vw; }
.modal-content h3 { margin-top: 0; }

/* Toast */
.toast { position: fixed; left: 50%; top: 60px; transform: translateX(-50%);
  background: #2c3e50; color: #fff; padding: 10px 20px; border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,.2); z-index: 200; font-size: 14px; }
.tag-role-collector { background: #fdebd0; color: #d35400; }
.tag-role-consumer { background: #d6eaf8; color: #2874a6; }


.tabs { display: flex; gap: 8px; padding: 0 24px; margin-top: 8px;
  border-bottom: 1px solid #ecf0f1; background: #fff; }
.tab-btn { padding: 10px 20px; background: transparent; border: 0;
  border-bottom: 2px solid transparent; cursor: pointer; color: #7f8c8d;
  font-size: 14px; }
.tab-btn:hover { background: #f8f9fa; }
.tab-btn.active { color: #3498db; border-bottom-color: #3498db; }

#batch-input { width: 100%; padding: 10px; border: 1px solid #dcdde1;
  border-radius: 6px; font-family: ui-monospace, Menlo, monospace; font-size: 13px;
  margin-bottom: 8px; }

.hint-line { color: #7f8c8d; font-size: 12px; margin-top: 0; }
.hint-line code { background: #ecf0f1; padding: 1px 6px; border-radius: 3px; }

.check-label { flex-direction: row; align-items: center; gap: 4px; }
.check-label input { margin: 0; }

.tag-flag { display: inline-block; padding: 1px 6px; margin-right: 4px;
  border-radius: 3px; font-size: 11px; }
.flag-new { background: #d6eaf8; color: #2874a6; }
.flag-soaring { background: #fadbd8; color: #c0392b; }
.flag-good { background: #d5f4e6; color: #16a085; }

.priority-input { width: 60px; padding: 2px 6px; }