:root {
  --color-brand: #1d4ed8;
  --color-brand-strong: #1e3a8a;
  --color-text: #111827;
  --color-sub: #4b5563;
  --color-muted: #8a94a6;
  --color-bg: #f5f7fa;
  --color-card: #ffffff;
  --color-line: #e5e7eb;
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-danger: #dc2626;
  --color-info-bg: #eff6ff;
  --radius-sm: 8px;
  --radius-md: 12px;
  --space-1: 6px;
  --space-2: 8px;
  --space-4: 16px;
  --space-5: 18px;
  --space-6: 24px;
  --space-7: 28px;
  --font-caption: 13px;
  --line-height-caption: 1.6;
  --dialog-layer: 20;
  --dialog-width: 420px;
  --qr-code-width: 280px;
  --motion-dialog-enter: 160ms;
  --motion-dialog-ease: ease-out;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 1120px;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

.shell {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--color-line);
  background: var(--color-card);
  padding: 24px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.brand__mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-brand);
  color: #ffffff;
  font-weight: 900;
}

.brand__name {
  font-size: 17px;
  font-weight: 800;
}

.brand__meta,
.topbar p,
.field span,
.metric-card span,
.status-log,
.preview-row__meta,
.review-item span {
  color: var(--color-sub);
}

.brand__meta {
  margin-top: 3px;
  font-size: 12px;
}

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

.nav__item {
  min-height: 42px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-sub);
  text-align: left;
  padding: 0 12px;
  cursor: pointer;
}

.nav__item--active {
  background: var(--color-info-bg);
  color: var(--color-brand);
  font-weight: 800;
}

.main-panel {
  padding: 28px 32px 40px;
}

@media (min-width: 901px) {
  html,
  body {
    block-size: 100%;
    overflow: hidden;
  }

  .shell {
    block-size: 100dvb;
    min-block-size: 0;
    overflow: hidden;
  }

  .sidebar {
    position: sticky;
    inset-block-start: 0;
    align-self: start;
    block-size: 100dvb;
    overflow-y: auto;
    scrollbar-gutter: stable;
  }

  .main-panel {
    min-block-size: 0;
    block-size: 100dvb;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
  }
}

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

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
}

.topbar p {
  margin-top: 8px;
  font-size: 14px;
}

.mode-pill {
  min-width: 96px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-card);
  padding: 8px 12px;
  color: var(--color-brand);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.settings-panel,
.panel,
.metric-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-card);
}

.settings-panel {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr auto auto auto;
  gap: 14px;
  align-items: end;
  padding: 16px;
  margin-bottom: 22px;
}

.session-line {
  align-self: center;
  color: var(--color-sub);
  font-size: 13px;
  font-weight: 700;
  grid-column: 1 / span 3;
  min-height: 20px;
}

.session-toggle {
  min-height: 40px;
}

.field {
  display: grid;
  gap: 7px;
}

.field span {
  font-size: 12px;
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--color-text);
  padding: 10px 11px;
  outline: none;
}

.field textarea {
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}

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

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-sub);
  font-size: 13px;
  font-weight: 700;
}

.toggle--field {
  align-self: end;
  min-height: 40px;
}

.button {
  min-height: 40px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--color-brand);
  padding: 0 14px;
  font-weight: 800;
  cursor: pointer;
}

.button--primary {
  border-color: var(--color-brand);
  background: var(--color-brand);
  color: #ffffff;
}

.view {
  display: none;
}

.view--active {
  display: block;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 16px;
}

.metric-card {
  padding: 18px;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 16px;
}

.panel {
  padding: 18px;
}

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

.check-list,
.compact-list,
.table-list,
.review-grid {
  display: grid;
  gap: 10px;
}

.check-list div,
.list-row,
.review-item {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  padding: 12px;
}

.status-log {
  min-height: 96px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: 12px;
  line-height: 1.7;
  white-space: pre-line;
}

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

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.list-row--selected {
  border-color: var(--color-brand);
  background: var(--color-info-bg);
}

.list-row--temporary-access {
  cursor: pointer;
}

.list-row--temporary-access:hover {
  border-color: var(--color-brand);
  background: var(--color-info-bg);
}

.list-row--temporary-access:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

.list-row__title {
  font-weight: 800;
}

.list-row__meta {
  margin-top: 5px;
  color: var(--color-sub);
  font-size: 13px;
}

.tag {
  border-radius: 999px;
  background: var(--color-info-bg);
  color: var(--color-brand);
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 800;
}

.tag--success {
  color: var(--color-success);
  background: #ecfdf3;
}

.tag--warning {
  color: var(--color-warning);
  background: #fffbeb;
}

.tag--danger {
  color: var(--color-danger);
  background: #fef2f2;
}

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

.review-item {
  display: grid;
  gap: 8px;
}

@media (max-width: 900px) {
  body {
    min-width: 0;
  }

  .shell,
  .settings-panel,
  .metric-grid,
  .content-grid,
  .form-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--color-line);
  }
}