:root {
  color-scheme: light;

  --color-inverse-on-surface: #f0f0f5;
  --color-tertiary-container: #743b00;
  --color-primary-container: #0f4c81;
  --color-on-tertiary: #ffffff;
  --color-surface-tint: #2d6197;
  --color-primary-fixed: #d2e4ff;
  --color-outline-variant: #c2c7d1;
  --color-surface: #f9f9fe;
  --color-surface-dim: #d9dadf;
  --color-primary: #00355f;
  --color-on-primary: #ffffff;
  --color-surface-bright: #f9f9fe;
  --color-on-surface-variant: #42474f;
  --color-primary-fixed-dim: #a0c9ff;
  --color-on-secondary-container: #007070;
  --color-on-background: #191c1f;
  --color-inverse-primary: #a0c9ff;
  --color-on-error: #ffffff;
  --color-inverse-surface: #2e3034;
  --color-on-primary-container: #8ebdf9;
  --color-surface-container: #ededf3;
  --color-surface-container-lowest: #ffffff;
  --color-error-container: #ffdad6;
  --color-error: #ba1a1a;
  --color-on-secondary: #ffffff;
  --color-on-primary-fixed: #001c37;
  --color-background: #f9f9fe;
  --color-on-surface: #191c1f;
  --color-secondary-container: #8cf3f3;
  --color-surface-container-low: #f3f3f8;
  --color-surface-container-highest: #e2e2e7;
  --color-outline: #727780;
  --color-surface-container-high: #e7e8ed;
  --color-secondary: #006a6a;
  --color-on-error-container: #93000a;
  --color-surface-variant: #e2e2e7;

  --radius-default: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-focus: 0 0 0 3px rgb(45 97 151 / 16%);
  --shadow-panel: 0 18px 48px rgb(25 28 31 / 8%);
  --motion-fast: 150ms ease;
  --motion-base: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-background);
  color: var(--color-on-surface);
  font-family: var(--font-sans);
  letter-spacing: 0;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--color-background);
  color: var(--color-on-surface);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

a {
  color: inherit;
}

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

.ui-container {
  width: min(100% - 32px, 1180px);
  margin-inline: auto;
}

.ui-document {
  padding-block: var(--space-xl);
}

.ui-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ui-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.ui-grid {
  display: grid;
  gap: var(--space-lg);
}

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

.ui-surface {
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  background: var(--color-surface-container-lowest);
}

.ui-panel {
  padding: var(--space-lg);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  background: var(--color-surface-container-lowest);
  box-shadow: var(--shadow-panel);
}

.ui-section-title {
  margin: 0 0 var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  font-size: 24px;
  font-weight: 600;
  line-height: 32px;
  letter-spacing: 0;
}

.ui-title-lg {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  letter-spacing: 0;
}

.ui-title-md {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 26px;
  letter-spacing: 0;
}

.ui-body {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
}

.ui-body-small {
  margin: 0;
  color: var(--color-outline);
  font-size: 13px;
  font-weight: 400;
  line-height: 18px;
}

.ui-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-on-surface);
  font-size: 12px;
  font-weight: 600;
  line-height: 16px;
}

.ui-help-text,
.ui-error-text {
  margin-top: var(--space-sm);
  font-size: 13px;
  line-height: 18px;
}

.ui-help-text {
  color: var(--color-outline);
}

.ui-error-text {
  color: var(--color-error);
}

.ui-input,
.ui-select,
.ui-textarea {
  width: 100%;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  background: var(--color-surface-container-lowest);
  color: var(--color-on-surface);
  font-size: 14px;
  line-height: 20px;
  outline: none;
  padding: var(--space-sm) var(--space-md);
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast), background var(--motion-fast);
}

.ui-textarea {
  min-height: 112px;
  resize: vertical;
}

.ui-input:focus,
.ui-select:focus,
.ui-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.ui-input[aria-invalid="true"],
.ui-select[aria-invalid="true"],
.ui-textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.ui-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  border: 1px solid transparent;
  border-radius: var(--radius-default);
  cursor: pointer;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  transition: background var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast), transform var(--motion-fast);
  user-select: none;
  white-space: nowrap;
}

.ui-button:hover {
  transform: translateY(-1px);
}

.ui-button:focus-visible {
  box-shadow: var(--shadow-focus);
  outline: none;
}

.ui-button:disabled,
.ui-button[aria-disabled="true"] {
  background: var(--color-surface-variant);
  color: var(--color-outline);
  cursor: not-allowed;
  transform: none;
}

.ui-button-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.ui-button-primary:hover {
  background: var(--color-surface-tint);
  color: #ffffff;
}

.ui-button-secondary {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
}

.ui-button-secondary:hover {
  background: var(--color-surface-container-high);
}

.ui-button-ghost {
  background: transparent;
  color: var(--color-primary);
}

.ui-button-ghost:hover {
  background: var(--color-surface-container-lowest);
}

.ui-button-danger {
  background: var(--color-error);
  color: var(--color-on-error);
}

.ui-button-danger:hover {
  background: var(--color-error-container);
  color: var(--color-on-error-container);
}

.ui-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.ui-badge,
.ui-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 30px;
  padding: var(--space-xs) var(--space-md);
  font-size: 11px;
  font-weight: 600;
  line-height: 14px;
}

.ui-badge {
  border-radius: var(--radius-default);
  background: var(--color-surface-container-highest);
  color: var(--color-on-surface);
}

.ui-pill {
  border-radius: var(--radius-full);
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
}

.ui-pill-primary {
  background: var(--color-primary-container);
  color: var(--color-on-primary);
}

.ui-pill-muted {
  background: var(--color-surface-variant);
  color: var(--color-on-surface-variant);
}

.ui-alert {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  background: var(--color-surface-container-lowest);
  padding: var(--space-md);
}

.ui-alert-info {
  border-color: var(--color-primary-fixed-dim);
  background: var(--color-primary-fixed);
  color: var(--color-on-primary-fixed);
}

.ui-alert-error {
  border-color: var(--color-error);
  background: var(--color-error-container);
  color: var(--color-on-error-container);
}

.ui-alert-title {
  margin: 0 0 var(--space-xs);
  font-size: 14px;
  font-weight: 700;
  line-height: 20px;
}

.ui-alert-body {
  margin: 0;
  font-size: 13px;
  line-height: 18px;
}

.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--color-background);
  color: var(--color-on-surface);
}

.app-sidebar {
  display: flex;
  width: 256px;
  flex-direction: column;
  border-right: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container-lowest);
}

.app-main {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
}

.app-header {
  display: flex;
  min-height: 64px;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  border-bottom: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container-lowest);
  padding: 0 var(--space-lg);
}

.app-content {
  flex: 1;
  overflow: auto;
  padding: var(--space-lg);
}

.app-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
}

.app-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-radius: var(--radius-default);
  color: var(--color-on-surface-variant);
  padding: 12px var(--space-md);
  text-decoration: none;
  transition: background var(--motion-fast), color var(--motion-fast);
}

.app-nav-link:hover,
.app-nav-link[aria-current="page"] {
  background: var(--color-surface-container);
  color: var(--color-primary);
}

.app-list-detail {
  display: flex;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  background: var(--color-surface-container-lowest);
}

.app-list {
  width: 350px;
  overflow-y: auto;
  border-right: 1px solid var(--color-outline-variant);
  background: var(--color-surface-bright);
}

.app-detail {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
}

.request-item {
  display: block;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--color-outline-variant);
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: var(--space-md);
  text-align: left;
  transition: background var(--motion-fast);
}

.request-item:hover,
.request-item[aria-current="true"] {
  background: var(--color-surface-container);
}

.request-item-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin: 0 0 var(--space-xs);
  font-weight: 700;
}

.request-item-meta {
  margin: 0;
  color: var(--color-outline);
  font-size: 13px;
  line-height: 18px;
}

.ui-hidden {
  display: none !important;
}

@media (max-width: 860px) {
  .ui-grid-two {
    grid-template-columns: 1fr;
  }

  .app-shell {
    display: block;
  }

  .app-sidebar {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .app-list-detail {
    display: block;
  }

  .app-list {
    width: 100%;
    max-height: 280px;
    border-right: 0;
    border-bottom: 1px solid var(--color-outline-variant);
  }
}