.gct-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: var(--color-brand);
  color: var(--color-surface);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  transition: background var(--ease-standard), border-color var(--ease-standard), color var(--ease-standard);
}

.gct-brand,
.gct-button,
.gct-tab,
.gct-public-nav__link,
.gct-client-sidebar__link,
.gct-card--interactive {
  text-decoration: none;
}

.gct-button:hover {
  background: var(--color-brand-hover);
  color: var(--color-surface);
}

.gct-button--secondary {
  border-color: var(--color-brand);
  background: var(--color-surface);
  color: var(--color-brand-hover);
}

.gct-button--secondary:hover {
  background: var(--color-soft);
  color: var(--color-deep);
}

.gct-button--quiet {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.gct-button--quiet:hover {
  border-color: var(--color-brand);
  background: var(--color-soft);
}

.gct-button--danger {
  background: var(--color-danger);
}

.gct-button--small {
  min-height: 32px;
  padding: 5px 10px;
  font-size: 13px;
}

.gct-button--icon {
  width: 40px;
  padding: 0;
}

.gct-card,
.gct-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.gct-card {
  padding: var(--space-5);
}

.gct-panel {
  padding: var(--space-6);
}

.gct-card--interactive {
  transition: border-color var(--ease-standard), box-shadow var(--ease-standard), transform var(--ease-standard);
}

.gct-card--interactive:hover {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-panel);
  transform: translateY(-1px);
}

.gct-icon-box {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-soft);
  color: var(--color-brand-hover);
}

.gct-icon-box svg,
.gct-icon-box img {
  width: 20px;
  height: 20px;
}

.gct-status {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-soft);
  color: var(--color-brand-hover);
  font-size: 12px;
  line-height: 18px;
}

.gct-status::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.gct-status--info {
  background: var(--color-info-soft);
  color: var(--color-info);
}

.gct-status--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.gct-status--danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.gct-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 14px;
}

.gct-alert--info {
  border-color: var(--color-info-border);
  background: var(--color-info-surface);
}

.gct-alert--warning {
  border-color: var(--color-warning-border);
  background: var(--color-warning-surface);
}

.gct-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.gct-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.gct-field--full {
  grid-column: 1 / -1;
}

.gct-field label,
.gct-label {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
}

.gct-field input,
.gct-field select,
.gct-field textarea,
.gct-input {
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  line-height: 20px;
}

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

.gct-field input::placeholder,
.gct-field textarea::placeholder {
  color: var(--color-muted);
}

.gct-field .gct-help {
  color: var(--color-muted);
  font-size: 12px;
}

.gct-tabs {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  overflow-x: auto;
  border-bottom: 1px solid var(--color-border);
}

.gct-tab {
  position: relative;
  min-height: 42px;
  padding: 10px 0;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font-size: 14px;
  white-space: nowrap;
}

.gct-tab[aria-selected="true"],
.gct-tab:hover {
  color: var(--color-brand-hover);
}

.gct-tab[aria-selected="true"]::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--color-brand);
  content: "";
}

.gct-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.gct-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.gct-table th,
.gct-table td {
  height: 48px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  white-space: nowrap;
}

.gct-table th {
  background: var(--color-page);
  color: var(--color-muted);
  font-weight: 600;
}

.gct-table tr:last-child td {
  border-bottom: 0;
}

.gct-empty {
  display: grid;
  min-height: 220px;
  place-items: center;
  padding: var(--space-8);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  text-align: center;
}

.gct-empty img {
  width: 112px;
  height: 80px;
  object-fit: cover;
  margin-inline: auto;
  border-radius: var(--radius-md);
}

.gct-empty h3 {
  margin: var(--space-3) 0 var(--space-1);
  color: var(--color-deep);
  font-size: 18px;
}

.gct-empty p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.gct-public-header {
  position: relative;
  z-index: 20;
  min-height: var(--public-header);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.gct-public-header__inner {
  display: flex;
  min-height: var(--public-header);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.gct-brand {
  display: inline-flex;
  flex: 0 0 auto;
  min-height: 44px;
  align-items: center;
  padding-block: 8px;
}

.gct-brand img {
  width: 130px;
  height: 28px;
}

.gct-public-nav,
.gct-public-nav__list {
  display: flex;
  align-items: center;
}

.gct-public-nav__list {
  gap: var(--space-6);
  margin: 0;
  padding: 0;
  list-style: none;
}

.gct-public-nav__link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  color: var(--color-text);
  font-size: 14px;
}

.gct-public-nav__link[aria-current="page"] {
  color: var(--color-brand-hover);
  font-weight: 600;
}

.gct-account-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.gct-menu-toggle {
  display: none;
  width: 44px;
  min-height: 44px;
}

.gct-client-layout {
  display: grid;
  min-height: 100vh;
  grid-template-columns: var(--client-sidebar) minmax(0, 1fr);
}

.gct-client-sidebar {
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
}

.gct-client-sidebar__brand {
  display: flex;
  height: var(--client-topbar);
  align-items: center;
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.gct-client-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-3);
}

.gct-client-sidebar__link {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-3);
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 14px;
}

.gct-client-sidebar__link:hover,
.gct-client-sidebar__link[aria-current="page"] {
  border-left-color: var(--color-brand);
  background: var(--color-soft);
  color: var(--color-deep);
  font-weight: 600;
}

.gct-client-main {
  min-width: 0;
  background: var(--color-page);
}

.gct-client-topbar {
  display: flex;
  min-height: var(--client-topbar);
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
  padding: 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.gct-client-content {
  width: min(calc(100% - 48px), 1320px);
  margin: 0 auto;
  padding-block: var(--space-6);
}

.gct-summary-value {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-deep);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
}

.gct-divider {
  height: 1px;
  margin-block: var(--space-5);
  background: var(--color-border);
}