.vsa-shell-body {
  overflow: auto;
  background: var(--app-background);
}

.vsa-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface);
  padding: 0 20px;
}

.vsa-brand,
.vsa-header-actions,
.vsa-stat-grid,
.vsa-toolbar {
  display: flex;
  align-items: center;
}

.vsa-brand {
  min-width: 0;
  gap: 12px;
}

.vsa-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--primary) 45%, var(--border-subtle));
  background: color-mix(in srgb, var(--primary) 10%, var(--surface-panel));
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
}

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

.vsa-brand strong {
  font-size: 19px;
  line-height: 22px;
}

.vsa-brand span,
.vsa-session-label,
.vsa-muted {
  color: var(--on-surface-muted);
}

.vsa-header-actions {
  gap: 8px;
}

.vsa-main {
  display: grid;
  gap: 18px;
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.vsa-panel {
  border: 1px solid var(--border-subtle);
  background: var(--surface);
  padding: 16px;
}

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

.vsa-panel h1 {
  margin-bottom: 10px;
  font-size: 24px;
}

.vsa-panel h2 {
  margin-bottom: 12px;
  font-size: 17px;
}

.vsa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.8fr);
  gap: 18px;
}

.vsa-stat-grid {
  flex-wrap: wrap;
  gap: 8px;
}

.vsa-stat {
  min-width: 120px;
  border: 1px solid var(--border-hairline);
  background: var(--surface-container-low);
  padding: 10px;
}

.vsa-stat strong {
  display: block;
  font-size: 20px;
}

.vsa-stat span {
  color: var(--on-surface-muted);
  font-size: 12px;
}

.vsa-table {
  width: 100%;
  border-collapse: collapse;
}

.vsa-table th,
.vsa-table td {
  border-bottom: 1px solid var(--border-hairline);
  padding: 9px 8px;
  text-align: left;
  vertical-align: top;
}

.vsa-table th {
  color: var(--on-surface-muted);
  font-size: 12px;
  font-weight: 700;
}

.vsa-status {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-subtle);
  background: var(--surface-container);
  padding: 2px 7px;
  font-size: 12px;
}

.vsa-status[data-tone="synced"] {
  border-color: color-mix(in srgb, var(--primary) 50%, var(--border-subtle));
  color: var(--primary);
}

.vsa-status[data-tone="attention"] {
  border-color: color-mix(in srgb, var(--attention) 55%, var(--border-subtle));
  color: var(--attention);
}

.vsa-login {
  max-width: 420px;
}

.vsa-login label {
  display: grid;
  gap: 5px;
  margin-bottom: 12px;
}

.vsa-login input {
  width: 100%;
  border: 1px solid var(--border-subtle);
  background: var(--surface-lowest);
  color: var(--on-surface);
  padding: 9px 10px;
}

.vsa-icon-button,
.vsa-primary {
  border: 1px solid var(--border-subtle);
  background: var(--surface-container);
  color: var(--on-surface);
  padding: 8px 11px;
}

.vsa-primary {
  background: var(--primary);
  color: var(--surface-lowest);
  font-weight: 700;
}

.vsa-notice {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: min(420px, calc(100vw - 32px));
  border: 1px solid var(--border-subtle);
  background: var(--surface-panel);
  padding: 12px 14px;
}

@media (max-width: 900px) {
  .vsa-grid {
    grid-template-columns: 1fr;
  }

  .vsa-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 16px;
  }
}