* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Arial, "Microsoft YaHei", sans-serif;
  color: #101828;
  background: radial-gradient(circle at top, #eef4ff 0%, #f8fafc 45%, #ffffff 100%);
}

.page {
  max-width: 980px;
  margin: 36px auto;
  padding: 0 16px;
}

.card {
  max-width: 760px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(2, 6, 23, 0.08);
}

.hero h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

.hero p {
  margin: 8px 0 20px;
  font-size: 14px;
  color: #667085;
}

.guide-box {
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid #bfd3ff;
  border-radius: 12px;
  background: #f0f5ff;
}

.guide-box h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: #3559cc;
}

.guide-box ul {
  margin: 0;
  padding-left: 20px;
}

.guide-box li {
  margin: 7px 0;
  font-size: 15px;
  color: #3e4b6d;
}

.guide-box a {
  color: #1d4ed8;
}

.label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #344054;
}

.token-help {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 13px;
  color: #667085;
}

.token-help a {
  color: #1d4ed8;
  text-decoration: none;
  word-break: break-all;
}

.token-help a:hover {
  text-decoration: underline;
}

.copy-link-btn {
  padding: 6px 10px;
  font-size: 12px;
  border: 1px solid #d0d5dd;
  background: #ffffff;
  color: #344054;
}

.token-input-wrap {
  position: relative;
}

.clear-token-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  padding: 6px 10px;
  font-size: 12px;
  border: 1px solid #d0d5dd;
  background: #ffffff;
  color: #344054;
}

.proxy-row {
  margin-top: 12px;
}

.proxy-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #475467;
}

.proxy-input {
  display: block;
  width: 100%;
  margin-top: 10px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
}

.proxy-check-btn {
  margin-top: 10px;
  border: 1px solid #d0d5dd;
  background: #fff;
  color: #344054;
  font-size: 13px;
}

.proxy-check-result {
  margin: 10px 0 0;
  padding: 10px;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  background: #f8fafc;
  color: #1f2937;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-all;
}

textarea {
  width: 100%;
  min-height: 170px;
  border: 1px solid #d0d5dd;
  border-radius: 12px;
  padding: 14px;
  font-size: 14px;
  color: #111827;
  background: #fcfcfd;
  resize: vertical;
  outline: 0;
  transition: all 0.2s ease;
}

textarea:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.tabs {
  display: flex;
  gap: 10px;
  margin: 18px 0 14px;
}

.tab {
  padding: 10px 14px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  font-size: 14px;
  background: #fff;
  color: #344054;
  cursor: pointer;
}

.tab.active {
  border-color: #3b82f6;
  color: #1d4ed8;
  background: #eff6ff;
}

.panel {
  border: 1px solid #e4e7ec;
  border-radius: 12px;
  padding: 16px;
  background: #fafcff;
}

.panel h2 {
  margin: 0;
  font-size: 16px;
}

.panel-desc {
  margin: 8px 0 14px;
  font-size: 14px;
  color: #667085;
}

button {
  border: none;
  border-radius: 10px;
  cursor: pointer;
  padding: 10px 16px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.primary {
  background: linear-gradient(90deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.28);
}

.result {
  margin-top: 22px;
  padding: 14px 16px;
  border: 1px solid #d1fae5;
  background: #ecfdf3;
  border-radius: 10px;
}

.result h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.result-row {
  display: flex;
  gap: 8px;
}

#resultUrl {
  flex: 1;
  border: 1px solid #a7f3d0;
  border-radius: 8px;
  padding: 9px 10px;
  background: #ffffff;
}

.copy-btn {
  background: #10b981;
  color: #ffffff;
}

.copy-status {
  margin-top: 10px;
  color: #065f46;
  font-size: 14px;
}

.query-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.query-grid div {
  border: 1px solid #bbf7d0;
  background: #ffffff;
  border-radius: 8px;
  padding: 10px;
}

.query-grid span {
  display: block;
  font-size: 12px;
  color: #4b5563;
  margin-bottom: 4px;
}

.query-grid strong {
  font-size: 14px;
  color: #111827;
  word-break: break-all;
}

.query-extra {
  margin: 10px 0 0;
  font-size: 12px;
  color: #065f46;
}

.query-notice {
  margin: 6px 0 12px;
  padding: 11px 12px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 600;
}

.query-email {
  margin: 0 0 10px;
  color: #4b5563;
}

.query-email span {
  color: #1f2937;
  font-weight: 600;
}

.error {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid #fecaca;
  border-radius: 8px;
  background: #fef2f2;
  color: #b91c1c;
}

.foot-note {
  margin-top: 18px;
  font-size: 12px;
  color: #667085;
}

.hidden {
  display: none;
}

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(17, 24, 39, 0.92);
  color: #fff;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 9999;
}

@media (max-width: 640px) {
  .query-grid {
    grid-template-columns: 1fr;
  }
}