* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: linear-gradient(180deg, #091121 0%, #111a2f 100%);
  color: #eef2ff;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
  padding: 20px 14px 32px;
}

.page-shell {
  width: min(1240px, 100%);
  margin: 0 auto;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  background: rgba(10, 17, 34, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.hero-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.eyebrow {
  color: #8ea4ff;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 8px 0 10px;
  font-size: 34px;
}

.hero p {
  margin: 0;
  line-height: 1.7;
  color: #b8c2de;
}

.notice {
  min-width: 240px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(67, 56, 202, 0.18);
  border: 1px solid rgba(129, 140, 248, 0.35);
  color: #dbe4ff;
  line-height: 1.6;
}

.notice.error {
  background: rgba(127, 29, 29, 0.24);
  border-color: rgba(248, 113, 113, 0.38);
  color: #fee2e2;
}

.notice.success {
  background: rgba(20, 83, 45, 0.24);
  border-color: rgba(74, 222, 128, 0.35);
  color: #dcfce7;
}

.tab-nav {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.auth-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: calc(100vh - 40px);
}

.auth-card {
  width: min(320px, calc(100vw - 28px));
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
}

.auth-hint {
  min-height: 20px;
  padding-left: 2px;
  color: #c7d2fe;
  line-height: 1.5;
  font-size: 13px;
}

.auth-hint.error {
  color: #fecaca;
}

.auth-hint.success {
  color: #bbf7d0;
}

.tab-btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.08);
  color: #d8def5;
  font-size: 15px;
  cursor: pointer;
}

.tab-btn.active {
  background: linear-gradient(135deg, #6f7bf7 0%, #9b71f6 100%);
  color: #fff;
  box-shadow: 0 10px 24px rgba(111, 123, 247, 0.32);
}

.tab-panel {
  display: none;
  margin-top: 16px;
}

.tab-panel.active {
  display: block;
}

.layout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 13, 27, 0.8);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.22);
}

.card-head h2 {
  margin: 0;
  font-size: 22px;
}

.card-desc {
  margin: 10px 0 18px;
  color: #b2bfdc;
  line-height: 1.7;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.field-span-2 {
  grid-column: span 2;
}

.field > span {
  font-size: 14px;
  color: #c9d3ef;
}

.input, .textarea, .result-box, select.input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(16, 22, 40, 0.92);
  color: #eff3ff;
  padding: 12px 14px;
  font: inherit;
}

.textarea, .result-box {
  resize: vertical;
}

.textarea.mono {
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
  overflow-x: auto;
}

.result-box {
  min-height: 120px;
  max-height: 280px;
  overflow: auto;
  margin: 0;
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
  line-height: 1.7;
}

.raw-details {
  margin-top: 6px;
}

.raw-details > summary {
  cursor: pointer;
  color: #c9d3ef;
  font-size: 14px;
  list-style: none;
  user-select: none;
}

.raw-details > summary::-webkit-details-marker {
  display: none;
}

.raw-details > summary::before {
  content: '展开';
  display: inline-block;
  margin-right: 8px;
  color: #8ea4ff;
}

.raw-details[open] > summary::before {
  content: '收起';
}

.raw-details .result-box {
  margin-top: 10px;
}

.mono {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 13px;
}

.actions {
  display: flex;
  gap: 10px;
  margin: 6px 0 14px;
}

.actions.wrap {
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 14px;
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.08);
  color: #eef2ff;
  cursor: pointer;
  font-size: 14px;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-primary {
  background: linear-gradient(135deg, #6f7bf7 0%, #7c55f2 100%);
}

.auth-submit {
  width: 100%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #7d88fb 0%, #8c62f8 100%);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.kv {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.kv .k {
  display: block;
  font-size: 12px;
  color: #96a5ca;
  margin-bottom: 6px;
}

.kv .v {
  display: block;
  line-height: 1.5;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  word-break: normal;
}

.kv.good .v {
  color: #86efac;
}

.kv.bad .v {
  color: #fca5a5;
}

@media (max-width: 980px) {
  .layout-grid,
  .form-grid,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .field-span-2 {
    grid-column: span 1;
  }

  .hero {
    flex-direction: column;
  }

  .hero-side {
    align-items: stretch;
  }
}