:root {
  color-scheme: light;
  --gto-bg-page: #f4f6f8;
  --gto-bg-card: #ffffff;
  --gto-bg-section: #f7f8fa;
  --gto-nav-bg: #162e51;
  --gto-nav-child: #10233f;
  --gto-nav-hover: #29486f;
  --gto-nav-text: #dce6f1;
  --gto-nav-active-edge: #73b3e7;
  --gto-primary: #005ea2;
  --gto-primary-hover: #112f4e;
  --gto-primary-pressed: #0a243d;
  --gto-primary-soft: #cfe8ff;
  --gto-primary-border: #97c6e7;
  --gto-accent: #c05600;
  --gto-success: #16835d;
  --gto-success-soft: #dff3ea;
  --gto-warning: #b76500;
  --gto-warning-soft: #fff1d2;
  --gto-danger: #b42318;
  --gto-danger-hover: #8f1d14;
  --gto-danger-soft: #fde8e7;
  --gto-secondary: #f1f3f5;
  --gto-secondary-hover: #e9edf1;
  --gto-text-heading: #17202a;
  --gto-text-primary: #28323c;
  --gto-text-secondary: #4c5967;
  --gto-text-muted: #687585;
  --gto-border: #bdc6d0;
  --gto-border-light: #dde2e8;
  --gto-radius-sm: 6px;
  --gto-radius-md: 8px;
  --gto-radius-lg: 12px;
  --gto-shadow-sm: 0 1px 2px rgb(23 32 42 / 8%);
  --gto-shadow-md: 0 8px 20px rgb(23 32 42 / 12%);
  --gto-header-height: 56px;
  --gto-sidebar-width: 200px;
  --gto-focus-color: #005ea2;
  --gto-focus: 0 0 0 2px #fff, 0 0 0 4px var(--gto-focus-color);
  --gto-font: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/*
 * Five portals share semantic component tokens while each portal owns a
 * deliberately different, restrained business palette. The default above is
 * also the switchboard fallback for fail-safe rendering before configuration.
 */
:root[data-portal="switchboard"] {
  --gto-nav-bg: #162e51;
  --gto-nav-child: #10233f;
  --gto-nav-hover: #29486f;
  --gto-nav-text: #dce6f1;
  --gto-nav-active-edge: #73b3e7;
  --gto-primary: #005ea2;
  --gto-primary-hover: #112f4e;
  --gto-primary-pressed: #0a243d;
  --gto-primary-soft: #cfe8ff;
  --gto-primary-border: #97c6e7;
  --gto-accent: #c05600;
}

:root[data-portal="agent"] {
  --gto-nav-bg: #203131;
  --gto-nav-child: #172525;
  --gto-nav-hover: #345050;
  --gto-nav-text: #dcebea;
  --gto-nav-active-edge: #65c9c4;
  --gto-primary: #008480;
  --gto-primary-hover: #0f6460;
  --gto-primary-pressed: #0b4e4b;
  --gto-primary-soft: #d5fbf3;
  --gto-primary-border: #8bd4cc;
  --gto-accent: #7a591a;
}

:root[data-portal="affiliate"] {
  --gto-nav-bg: #332d29;
  --gto-nav-child: #27221f;
  --gto-nav-hover: #514740;
  --gto-nav-text: #eee6df;
  --gto-nav-active-edge: #edae70;
  --gto-primary: #c05600;
  --gto-primary-hover: #8f470d;
  --gto-primary-pressed: #5f3617;
  --gto-primary-soft: #fef2e4;
  --gto-primary-border: #e5b98b;
  --gto-accent: #07648d;
}

:root[data-portal="brand"] {
  --gto-nav-bg: #1a1f1a;
  --gto-nav-child: #111511;
  --gto-nav-hover: #303a31;
  --gto-nav-text: #e2e9e2;
  --gto-nav-active-edge: #92c49a;
  --gto-primary: #4d8055;
  --gto-primary-hover: #3c6844;
  --gto-primary-pressed: #28312a;
  --gto-primary-soft: #ecf3ec;
  --gto-primary-border: #abc8af;
  --gto-accent: #936f38;
}

:root[data-portal="parlor"] {
  --gto-nav-bg: #1e1517;
  --gto-nav-child: #160f11;
  --gto-nav-hover: #3a292d;
  --gto-nav-text: #eee1e3;
  --gto-nav-active-edge: #e8a6b1;
  --gto-primary: #9e394b;
  --gto-primary-hover: #7d3040;
  --gto-primary-pressed: #40282c;
  --gto-primary-soft: #f8dfe2;
  --gto-primary-border: #dca8b0;
  --gto-accent: #2e6276;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--gto-bg-page);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--gto-text-primary);
  background: var(--gto-bg-page);
  font-family: var(--gto-font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid transparent;
  outline-offset: 3px;
  box-shadow: var(--gto-focus);
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: var(--gto-radius-sm);
  color: #fff;
  background: var(--gto-nav-bg);
  box-shadow: var(--gto-shadow-md);
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--gto-radius-sm);
  box-shadow: var(--gto-shadow-sm);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background-color 150ms ease, border-color 150ms ease, box-shadow 150ms ease, color 150ms ease, transform 100ms ease;
}

.button:active:not(:disabled):not([aria-disabled="true"]) {
  transform: translateY(1px);
}

.button-primary {
  color: #fff;
  background: var(--gto-primary);
}

.button-primary:hover:not(:disabled) {
  background: var(--gto-primary-hover);
}

.button-primary:active:not(:disabled) {
  background: var(--gto-primary-pressed);
}

.button-secondary {
  color: var(--gto-text-primary);
  background: var(--gto-secondary);
  border-color: var(--gto-border-light);
}

.button-secondary:hover:not(:disabled) {
  color: var(--gto-text-heading);
  border-color: var(--gto-border);
  background: var(--gto-secondary-hover);
}

/*
 * shadcn-style semantic variants, implemented in the existing framework-free
 * component layer. Commands use these visible button surfaces; plain links are
 * reserved for navigation and document references.
 */
.button-outline {
  color: var(--gto-text-primary);
  background: var(--gto-bg-card);
  border-color: var(--gto-border);
}

.button-outline:hover:not(:disabled) {
  color: var(--gto-primary);
  background: var(--gto-primary-soft);
  border-color: var(--gto-primary);
}

.button-ghost {
  color: var(--gto-text-secondary);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.button-ghost:hover:not(:disabled) {
  color: var(--gto-text-heading);
  background: var(--gto-bg-section);
}

.button-destructive,
.button-danger {
  color: #fff;
  background: var(--gto-danger);
  border-color: var(--gto-danger);
}

.button-destructive:hover:not(:disabled),
.button-danger:hover:not(:disabled) {
  background: var(--gto-danger-hover);
  border-color: var(--gto-danger-hover);
}

.button-sm {
  min-height: 38px;
  padding: 7px 11px;
  font-size: 13px;
}

.button-icon {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  font-size: 20px;
}

.button-group {
  min-width: 0;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.button[aria-busy="true"] {
  cursor: progress;
}

.button[aria-busy="true"]::before {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  content: "";
  animation: gto-button-spin 650ms linear infinite;
}

.button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

@keyframes gto-button-spin {
  to { transform: rotate(360deg); }
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 10px;
  border-radius: 999px;
  color: var(--gto-text-secondary);
  background: var(--gto-bg-section);
  border: 1px solid var(--gto-border-light);
  font-size: 13px;
  font-weight: 600;
}

.status-badge[data-state="active"] {
  color: #047857;
  background: var(--gto-success-soft);
  border-color: #a7f3d0;
}

.status-badge[data-state="read-only"] {
  color: #92400e;
  background: var(--gto-warning-soft);
  border-color: #fde68a;
}

.inline-alert {
  padding: 12px 14px;
  border: 1px solid var(--gto-border);
  border-radius: var(--gto-radius-md);
  color: var(--gto-text-secondary);
  background: var(--gto-bg-section);
}

.inline-alert[data-tone="danger"] {
  color: #991b1b;
  background: var(--gto-danger-soft);
  border-color: #fecaca;
}

.inline-alert[data-tone="info"] {
  color: var(--gto-primary-pressed);
  background: var(--gto-primary-soft);
  border-color: var(--gto-primary-border);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}