:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-soft: #f9fafc;
  --line: #dfe5ee;
  --line-strong: #c8d2df;
  --text: #192231;
  --muted: #657286;
  --soft: #8a96a8;
  --blue: #2557d6;
  --blue-soft: #e9efff;
  --green: #11845b;
  --green-soft: #e7f6ef;
  --orange: #b56200;
  --orange-soft: #fff2df;
  --red: #c93636;
  --red-soft: #ffebeb;
  --purple: #6b49c8;
  --shadow: 0 14px 40px rgba(32, 42, 60, 0.08);
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(37, 87, 214, 0.07), transparent 260px),
    var(--bg);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100vh;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid #b8c7ff;
  border-radius: var(--radius);
  background: #edf2ff;
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  font-size: 16px;
}

.brand span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  text-align: left;
}

.nav-item:hover,
.nav-item.active {
  border-color: #d7e0f5;
  background: var(--blue-soft);
  color: var(--blue);
}

.sidebar-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 13px;
}

.side-link {
  display: flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(17, 132, 91, 0.12);
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: 18px;
}

h3 {
  margin-bottom: 10px;
  font-size: 15px;
}

.topbar-actions,
.action-row,
.inline-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.primary-button,
.ghost-button,
.danger-button,
.icon-button {
  min-height: 38px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  padding: 0 14px;
  font-weight: 700;
}

.primary-button {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 22px rgba(37, 87, 214, 0.18);
}

.ghost-button {
  border-color: var(--line);
  background: var(--panel);
  color: var(--text);
}

.danger-button {
  border-color: #ffc6c6;
  background: var(--red-soft);
  color: var(--red);
}

.icon-button {
  width: 38px;
  padding: 0;
  border-color: var(--line);
  background: var(--panel);
}

.content {
  display: grid;
  gap: 18px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric {
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0;
}

.metric small {
  display: block;
  margin-top: 10px;
  color: var(--soft);
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  gap: 18px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-header p,
.form-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  font-size: 13px;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

td {
  color: var(--text);
}

.code {
  padding: 3px 6px;
  border-radius: 6px;
  background: #eef2f7;
  color: #344055;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: #eef2f7;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge.ok {
  background: var(--green-soft);
  color: var(--green);
}

.badge.warn {
  background: var(--orange-soft);
  color: var(--orange);
}

.badge.danger {
  background: var(--red-soft);
  color: var(--red);
}

.badge.info {
  background: var(--blue-soft);
  color: var(--blue);
}

.muted-text {
  color: var(--muted);
  font-size: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid.one {
  grid-template-columns: minmax(0, 1fr);
}

.span-all {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  padding: 8px 10px;
  outline: none;
}

textarea {
  min-height: 86px;
  resize: vertical;
}

.route-textarea {
  min-width: 240px;
  min-height: 72px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.inline-check {
  display: flex;
  grid-template-columns: none;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.inline-check input {
  width: 16px;
  min-height: 16px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 87, 214, 0.12);
}

.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 46px;
  height: 26px;
}

.switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch span {
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background: #d9e0eb;
  transition: 0.18s ease;
}

.switch span::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(25, 34, 49, 0.18);
  transition: 0.18s ease;
}

.switch input:checked + span {
  background: var(--green);
}

.switch input:checked + span::after {
  transform: translateX(20px);
}

.bar-chart {
  display: grid;
  grid-template-columns: repeat(12, minmax(28px, 1fr));
  align-items: end;
  gap: 10px;
  height: 240px;
  padding-top: 18px;
}

.bar-item {
  display: grid;
  align-items: end;
  gap: 8px;
  height: 100%;
}

.bar {
  position: relative;
  min-height: 4px;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, #2557d6, #14a17b);
}

.bar.error {
  background: linear-gradient(180deg, #2557d6, #c93636);
}

.bar-label {
  color: var(--soft);
  font-size: 11px;
  text-align: center;
}

.health-list,
.alert-list,
.model-rank {
  display: grid;
  gap: 10px;
}

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.list-row strong,
.list-row span {
  display: block;
}

.list-row span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.key-output {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #b8c7ff;
  border-radius: var(--radius);
  background: var(--blue-soft);
  color: var(--blue);
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.plan-card {
  display: grid;
  gap: 18px;
  align-content: space-between;
  min-height: 360px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.plan-card h3 {
  margin-top: 12px;
  font-size: 18px;
}

.plan-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.plan-price strong,
.plan-price span {
  display: block;
}

.plan-price strong {
  font-size: 26px;
}

.plan-price span {
  margin-top: 4px;
  color: var(--muted);
}

.login-panel {
  max-width: 720px;
}

.landing-body {
  min-height: 100vh;
}

.landing {
  display: grid;
  gap: 22px;
  width: min(1060px, calc(100vw - 36px));
  margin: 0 auto;
  padding: 72px 0;
}

.landing-hero {
  min-height: 420px;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.landing-brand {
  padding: 0;
}

.landing h1 {
  max-width: 760px;
  margin-top: 58px;
  font-size: 44px;
}

.landing p {
  max-width: 720px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.landing-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.landing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 14px;
  border-radius: var(--radius);
  background: #111827;
  color: #e5e7eb;
  font-size: 12px;
  line-height: 1.6;
}

.empty,
.loading {
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  max-width: min(420px, calc(100vw - 44px));
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #172033;
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: 0.18s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-2,
  .grid-3,
  .plan-grid,
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .workspace {
    padding: 18px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
  }

  .topbar-actions button {
    flex: 1 1 150px;
  }

  .nav,
  .grid-2,
  .grid-3,
  .plan-grid,
  .landing-grid,
  .metric-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .landing {
    padding: 28px 0;
  }

  .landing-hero {
    padding: 24px;
  }

  .landing h1 {
    margin-top: 36px;
    font-size: 32px;
  }

  table {
    min-width: 680px;
  }
}