/**
 * Accessible Clinical Operations Design System — foundation.
 *
 * Phase 1 intentionally provides tokens and opt-in `.clinic-*` components.
 * Only typography, keyboard focus, Drupal messages, and local-task tabs receive
 * global normalization. Feature pages can migrate to the component classes
 * incrementally without changing Drupal behavior.
 */

@import url("https://fonts.googleapis.com/css2?family=Figtree:wght@500;600;700&family=Noto+Sans+Arabic:wght@400;500;600;700&family=Noto+Sans:wght@400;500;600;700&display=swap");

:root {
  /* Brand and neutral colors. */
  --clinic-primary-50: #eff6ff;
  --clinic-primary-100: #dbeafe;
  --clinic-primary-200: #bfdbfe;
  --clinic-primary-600: #2563eb;
  --clinic-primary-700: #1d4ed8;
  --clinic-primary-800: #1e40af;
  --clinic-navy-900: #0f172a;
  --clinic-secondary-50: #f0fdfa;
  --clinic-secondary-700: #0f766e;
  --clinic-background: #f8fafc;
  --clinic-surface: #ffffff;
  --clinic-surface-subtle: #f1f5f9;
  --clinic-text-primary: #0f172a;
  --clinic-text-secondary: #475569;
  --clinic-text-disabled: #64748b;
  --clinic-border: #cbd5e1;
  --clinic-border-subtle: #e2e8f0;

  /* Semantic status colors. Each status component also contains text. */
  --clinic-success: #067647;
  --clinic-success-background: #ecfdf3;
  --clinic-success-border: #abefc6;
  --clinic-warning: #92400e;
  --clinic-warning-background: #fffaeb;
  --clinic-warning-border: #fedf89;
  --clinic-error: #b42318;
  --clinic-error-background: #fef3f2;
  --clinic-error-border: #fecdca;
  --clinic-info: #175cd3;
  --clinic-info-background: #eff8ff;
  --clinic-info-border: #b2ddff;
  --clinic-neutral-status: #475467;
  --clinic-neutral-status-background: #f2f4f7;
  --clinic-neutral-status-border: #d0d5dd;

  /* Typography. */
  --clinic-font-heading: "Figtree", "Noto Sans", Arial, sans-serif;
  --clinic-font-body: "Noto Sans", Arial, sans-serif;
  --clinic-font-arabic: "Noto Sans Arabic", "Noto Sans", Arial, sans-serif;
  --clinic-font-size-display: 2rem;
  --clinic-font-size-page-title: 1.75rem;
  --clinic-font-size-section-title: 1.5rem;
  --clinic-font-size-card-title: 1.125rem;
  --clinic-font-size-body: 1rem;
  --clinic-font-size-label: 0.875rem;
  --clinic-font-size-table: 0.875rem;
  --clinic-font-size-helper: 0.75rem;
  --clinic-line-height-tight: 1.25;
  --clinic-line-height-heading: 1.35;
  --clinic-line-height-body: 1.5;
  --clinic-font-weight-regular: 400;
  --clinic-font-weight-medium: 500;
  --clinic-font-weight-semibold: 600;
  --clinic-font-weight-bold: 700;

  /* Four-pixel spacing scale. */
  --clinic-space-1: 0.25rem;
  --clinic-space-2: 0.5rem;
  --clinic-space-3: 0.75rem;
  --clinic-space-4: 1rem;
  --clinic-space-6: 1.5rem;
  --clinic-space-8: 2rem;
  --clinic-space-10: 2.5rem;
  --clinic-space-12: 3rem;
  --clinic-space-16: 4rem;

  /* Shape and elevation. */
  --clinic-radius-sm: 0.25rem;
  --clinic-radius-md: 0.5rem;
  --clinic-radius-lg: 0.75rem;
  --clinic-radius-dialog: 1rem;
  --clinic-radius-pill: 999px;
  --clinic-shadow-card: 0 1px 2px rgb(15 23 42 / 6%);
  --clinic-shadow-menu: 0 4px 12px rgb(15 23 42 / 10%);
  --clinic-shadow-dialog: 0 16px 40px rgb(15 23 42 / 18%);

  /* Interaction, controls, and tables. */
  --clinic-focus-color: #1d4ed8;
  --clinic-focus-ring: 0 0 0 3px rgb(29 78 216 / 24%);
  --clinic-control-height: 2.75rem;
  --clinic-control-height-touch: 3rem;
  --clinic-icon-button-size: 2.75rem;
  --clinic-table-row-height-compact: 3.25rem;
  --clinic-table-row-height-comfortable: 3.75rem;
  --clinic-table-cell-padding-block: 0.75rem;
  --clinic-table-cell-padding-inline: 1rem;
  --clinic-transition-fast: 160ms ease;
  --clinic-transition-standard: 220ms ease;
  --clinic-dialog-backdrop: rgb(15 23 42 / 56%);
}

html {
  color-scheme: light;
  font-size: 100%;
}

body {
  color: var(--clinic-text-primary);
  background-color: var(--clinic-background);
  font-family: var(--clinic-font-body);
  font-size: var(--clinic-font-size-body);
  font-weight: var(--clinic-font-weight-regular);
  line-height: var(--clinic-line-height-body);
  text-rendering: optimizeLegibility;
}

html[dir="rtl"] body {
  font-family: var(--clinic-font-arabic);
}

h1,
h2,
h3,
h4,
h5,
h6,
.clinic-heading {
  color: var(--clinic-text-primary);
  font-family: var(--clinic-font-heading);
  font-weight: var(--clinic-font-weight-semibold);
  line-height: var(--clinic-line-height-heading);
}

html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3,
html[dir="rtl"] h4,
html[dir="rtl"] h5,
html[dir="rtl"] h6,
html[dir="rtl"] .clinic-heading {
  font-family: var(--clinic-font-arabic);
}

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

::selection {
  color: var(--clinic-navy-900);
  background: var(--clinic-primary-200);
}

/* A visible focus indicator that follows the user's input modality. */
:root :where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--clinic-focus-color);
  outline-offset: 2px;
  box-shadow: var(--clinic-focus-ring);
}

/* Typography utilities. */
.clinic-type-display {
  font-family: var(--clinic-font-heading);
  font-size: var(--clinic-font-size-display);
  font-weight: var(--clinic-font-weight-bold);
  line-height: var(--clinic-line-height-tight);
}

.clinic-page-title {
  margin-block: 0;
  color: var(--clinic-text-primary);
  font-family: var(--clinic-font-heading);
  font-size: var(--clinic-font-size-page-title);
  font-weight: var(--clinic-font-weight-bold);
  line-height: var(--clinic-line-height-heading);
}

.clinic-section-title {
  margin-block: 0;
  color: var(--clinic-text-primary);
  font-family: var(--clinic-font-heading);
  font-size: var(--clinic-font-size-section-title);
  font-weight: var(--clinic-font-weight-semibold);
  line-height: var(--clinic-line-height-heading);
}

.clinic-card-title {
  margin-block: 0;
  color: var(--clinic-text-primary);
  font-family: var(--clinic-font-heading);
  font-size: var(--clinic-font-size-card-title);
  font-weight: var(--clinic-font-weight-semibold);
  line-height: var(--clinic-line-height-heading);
}

.clinic-body-text {
  color: var(--clinic-text-primary);
  font-size: var(--clinic-font-size-body);
  font-weight: var(--clinic-font-weight-regular);
  line-height: var(--clinic-line-height-body);
}

.clinic-label,
.clinic-table-text {
  color: var(--clinic-text-primary);
  font-size: var(--clinic-font-size-label);
  font-weight: var(--clinic-font-weight-medium);
  line-height: 1.4;
}

.clinic-helper-text {
  color: var(--clinic-text-secondary);
  font-size: var(--clinic-font-size-helper);
  font-weight: var(--clinic-font-weight-regular);
  line-height: 1.5;
}

/* Buttons. Apply `.clinic-button` plus one explicit variant. */
.clinic-button {
  display: inline-flex;
  min-block-size: var(--clinic-control-height);
  align-items: center;
  justify-content: center;
  gap: var(--clinic-space-2);
  padding-block: var(--clinic-space-2);
  padding-inline: var(--clinic-space-4);
  border: 1px solid transparent;
  border-radius: var(--clinic-radius-md);
  font-family: var(--clinic-font-body);
  font-size: var(--clinic-font-size-label);
  font-weight: var(--clinic-font-weight-semibold);
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--clinic-transition-fast),
    border-color var(--clinic-transition-fast), color var(--clinic-transition-fast),
    box-shadow var(--clinic-transition-fast);
}

.clinic-button:hover,
.clinic-button:focus,
.clinic-button:active {
  text-decoration: none;
}

.clinic-button--primary {
  color: #ffffff;
  background: var(--clinic-primary-700);
  border-color: var(--clinic-primary-700);
}

.clinic-button--primary:hover {
  color: #ffffff;
  background: var(--clinic-primary-800);
  border-color: var(--clinic-primary-800);
}

.clinic-button--secondary {
  color: var(--clinic-primary-700);
  background: var(--clinic-surface);
  border-color: var(--clinic-border);
}

.clinic-button--secondary:hover {
  color: var(--clinic-primary-800);
  background: var(--clinic-primary-50);
  border-color: var(--clinic-primary-700);
}

.clinic-button--tertiary {
  color: var(--clinic-primary-700);
  background: transparent;
  border-color: transparent;
}

.clinic-button--tertiary:hover {
  color: var(--clinic-primary-800);
  background: var(--clinic-primary-50);
}

.clinic-button--danger {
  color: #ffffff;
  background: var(--clinic-error);
  border-color: var(--clinic-error);
}

.clinic-button--danger:hover {
  color: #ffffff;
  background: #912018;
  border-color: #912018;
}

.clinic-button--icon {
  inline-size: var(--clinic-icon-button-size);
  min-inline-size: var(--clinic-icon-button-size);
  padding: 0;
}

.clinic-button:disabled,
.clinic-button[aria-disabled="true"] {
  color: var(--clinic-text-disabled);
  background: var(--clinic-surface-subtle);
  border-color: var(--clinic-border-subtle);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 1;
}

/*
 * Shared icon-only delete action.
 *
 * `.clinic-delete-action` is the canonical class. The legacy aliases keep
 * existing list and table actions visually consistent while their markup is
 * migrated to the design system component.
 */
:is(
  .clinic-delete-action,
  .delete-button,
  .delete_task,
  .families-row-action--delete,
  .patient-row-action--delete,
  .suppliers-modern__delete,
  .irp-delete,
  .mc-delete-action,
  .materials-row-actions .is-delete,
  .treatment-delete,
  .patient-group-delete,
  .calendar-header-delete,
  .package-remove-treatment,
  .delete-link,
  .family-member-remove,
  .medical-attachment-delete,
  .clinic-invoice-item-control--remove,
  .mc-remove-button
) {
  display: inline-flex !important;
  inline-size: 42px !important;
  min-inline-size: 42px !important;
  block-size: 42px !important;
  min-block-size: 42px !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 !important;
  overflow: hidden;
  border: 1px solid #d5e0ee !important;
  border-radius: 8px !important;
  color: transparent !important;
  background-color: #ffffff !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f32638' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 6h18M8 6V4h8v2M19 6l-1 15H6L5 6M10 11v6M14 11v6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
  background-size: 20px 20px !important;
  box-shadow: none !important;
  font-size: 0 !important;
  line-height: 1 !important;
  text-decoration: none !important;
  text-indent: -9999px;
  cursor: pointer;
  box-sizing: border-box;
  transition: background-color var(--clinic-transition-fast),
    border-color var(--clinic-transition-fast), transform var(--clinic-transition-fast);
}

:is(
  .clinic-delete-action,
  .delete-button,
  .delete_task,
  .families-row-action--delete,
  .patient-row-action--delete,
  .suppliers-modern__delete,
  .irp-delete,
  .mc-delete-action,
  .materials-row-actions .is-delete,
  .treatment-delete,
  .patient-group-delete,
  .calendar-header-delete,
  .package-remove-treatment,
  .delete-link,
  .family-member-remove,
  .medical-attachment-delete,
  .clinic-invoice-item-control--remove,
  .mc-remove-button
)::before,
:is(
  .clinic-delete-action,
  .delete-button,
  .delete_task,
  .families-row-action--delete,
  .patient-row-action--delete,
  .suppliers-modern__delete,
  .irp-delete,
  .mc-delete-action,
  .materials-row-actions .is-delete,
  .treatment-delete,
  .patient-group-delete,
  .calendar-header-delete,
  .package-remove-treatment,
  .delete-link,
  .family-member-remove,
  .medical-attachment-delete,
  .clinic-invoice-item-control--remove,
  .mc-remove-button
)::after {
  content: none !important;
}

:is(
  .clinic-delete-action,
  .delete-button,
  .delete_task,
  .families-row-action--delete,
  .patient-row-action--delete,
  .suppliers-modern__delete,
  .irp-delete,
  .mc-delete-action,
  .materials-row-actions .is-delete,
  .treatment-delete,
  .patient-group-delete,
  .calendar-header-delete,
  .package-remove-treatment,
  .delete-link,
  .family-member-remove,
  .medical-attachment-delete,
  .clinic-invoice-item-control--remove,
  .mc-remove-button
) > :is(svg, i, span) {
  display: none !important;
}

:is(
  .clinic-delete-action,
  .delete-button,
  .delete_task,
  .families-row-action--delete,
  .patient-row-action--delete,
  .suppliers-modern__delete,
  .irp-delete,
  .mc-delete-action,
  .materials-row-actions .is-delete,
  .treatment-delete,
  .patient-group-delete,
  .calendar-header-delete,
  .package-remove-treatment,
  .delete-link,
  .family-member-remove,
  .medical-attachment-delete,
  .clinic-invoice-item-control--remove,
  .mc-remove-button
):hover {
  border-color: #ffc3ca !important;
  color: transparent !important;
  background-color: #fff5f6 !important;
  transform: translateY(-1px);
}

:is(
  .clinic-delete-action,
  .delete-button,
  .delete_task,
  .families-row-action--delete,
  .patient-row-action--delete,
  .suppliers-modern__delete,
  .irp-delete,
  .mc-delete-action,
  .materials-row-actions .is-delete,
  .treatment-delete,
  .patient-group-delete,
  .calendar-header-delete,
  .package-remove-treatment
):focus-visible {
  border-color: #f32638 !important;
  outline: 2px solid rgba(243, 38, 56, .2);
  outline-offset: 2px;
}

/* Form controls. */
.clinic-form-item {
  display: grid;
  gap: var(--clinic-space-2);
  margin-block: 0 var(--clinic-space-4);
}

.clinic-form-label {
  color: var(--clinic-text-primary);
  font-size: var(--clinic-font-size-label);
  font-weight: var(--clinic-font-weight-semibold);
  line-height: 1.4;
}

.clinic-form-required {
  color: var(--clinic-error);
  font-weight: var(--clinic-font-weight-bold);
}

.clinic-form-control,
.clinic-select,
.clinic-textarea {
  inline-size: 100%;
  min-block-size: var(--clinic-control-height);
  padding-block: var(--clinic-space-2);
  padding-inline: var(--clinic-space-3);
  color: var(--clinic-text-primary);
  background: var(--clinic-surface);
  border: 1px solid var(--clinic-border);
  border-radius: var(--clinic-radius-md);
  font-size: var(--clinic-font-size-body);
  line-height: 1.5;
  transition: border-color var(--clinic-transition-fast),
    box-shadow var(--clinic-transition-fast), background-color var(--clinic-transition-fast);
}

.clinic-textarea {
  min-block-size: 7.5rem;
  resize: vertical;
}

.clinic-form-control::placeholder,
.clinic-textarea::placeholder {
  color: var(--clinic-text-secondary);
  opacity: 1;
}

.clinic-form-control:hover,
.clinic-select:hover,
.clinic-textarea:hover {
  border-color: #94a3b8;
}

.clinic-form-control:focus,
.clinic-select:focus,
.clinic-textarea:focus {
  border-color: var(--clinic-primary-700);
  outline: 2px solid var(--clinic-focus-color);
  outline-offset: 1px;
  box-shadow: var(--clinic-focus-ring);
}

.clinic-form-control[aria-invalid="true"],
.clinic-select[aria-invalid="true"],
.clinic-textarea[aria-invalid="true"],
.clinic-form-control.is-error,
.clinic-select.is-error,
.clinic-textarea.is-error {
  border-color: var(--clinic-error);
}

.clinic-form-error {
  color: var(--clinic-error);
  font-size: var(--clinic-font-size-label);
  font-weight: var(--clinic-font-weight-medium);
  line-height: 1.4;
}

.clinic-form-control:disabled,
.clinic-select:disabled,
.clinic-textarea:disabled {
  color: var(--clinic-text-disabled);
  background: var(--clinic-surface-subtle);
  border-color: var(--clinic-border-subtle);
  cursor: not-allowed;
  opacity: 1;
}

.clinic-choice {
  display: inline-flex;
  min-block-size: var(--clinic-control-height);
  align-items: center;
  gap: var(--clinic-space-2);
  color: var(--clinic-text-primary);
  font-size: var(--clinic-font-size-label);
  cursor: pointer;
}

.clinic-checkbox,
.clinic-radio {
  inline-size: 1.125rem;
  block-size: 1.125rem;
  flex: 0 0 auto;
  margin: 0;
  accent-color: var(--clinic-primary-700);
}

.clinic-choice:has(.clinic-checkbox:disabled),
.clinic-choice:has(.clinic-radio:disabled) {
  color: var(--clinic-text-disabled);
  cursor: not-allowed;
}

/* Status badges use text plus a decorative dot; color is never the sole cue. */
.clinic-status-badge {
  display: inline-flex;
  min-block-size: 1.75rem;
  align-items: center;
  gap: var(--clinic-space-2);
  padding-block: var(--clinic-space-1);
  padding-inline: var(--clinic-space-3);
  color: var(--clinic-neutral-status);
  background: var(--clinic-neutral-status-background);
  border: 1px solid var(--clinic-neutral-status-border);
  border-radius: var(--clinic-radius-pill);
  font-size: var(--clinic-font-size-helper);
  font-weight: var(--clinic-font-weight-semibold);
  line-height: 1.25;
}

.clinic-status-badge::before {
  inline-size: 0.5rem;
  block-size: 0.5rem;
  flex: 0 0 auto;
  background: currentColor;
  border-radius: 50%;
  content: "";
}

.clinic-status-badge--success {
  color: var(--clinic-success);
  background: var(--clinic-success-background);
  border-color: var(--clinic-success-border);
}

.clinic-status-badge--warning {
  color: var(--clinic-warning);
  background: var(--clinic-warning-background);
  border-color: var(--clinic-warning-border);
}

.clinic-status-badge--error {
  color: var(--clinic-error);
  background: var(--clinic-error-background);
  border-color: var(--clinic-error-border);
}

.clinic-status-badge--info {
  color: var(--clinic-info);
  background: var(--clinic-info-background);
  border-color: var(--clinic-info-border);
}

/* Cards. */
.clinic-card {
  padding: var(--clinic-space-6);
  color: var(--clinic-text-primary);
  background: var(--clinic-surface);
  border: 1px solid var(--clinic-border-subtle);
  border-radius: var(--clinic-radius-lg);
  box-shadow: var(--clinic-shadow-card);
}

.clinic-card__header,
.clinic-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--clinic-space-4);
}

.clinic-card__header {
  margin-block-end: var(--clinic-space-4);
}

.clinic-card__footer {
  margin-block-start: var(--clinic-space-6);
  padding-block-start: var(--clinic-space-4);
  border-block-start: 1px solid var(--clinic-border-subtle);
}

/* Alerts, including Drupal's existing status-message classes. */
.clinic-alert,
.messages {
  position: relative;
  padding-block: var(--clinic-space-3);
  padding-inline: var(--clinic-space-4);
  color: var(--clinic-neutral-status);
  background: var(--clinic-neutral-status-background);
  border: 1px solid var(--clinic-neutral-status-border);
  border-inline-start-width: 4px;
  border-radius: var(--clinic-radius-md);
  box-shadow: none;
  font-size: var(--clinic-font-size-label);
  line-height: 1.5;
}

.clinic-alert--success,
.messages--status {
  color: var(--clinic-success);
  background: var(--clinic-success-background);
  border-color: var(--clinic-success-border);
  border-inline-start-color: var(--clinic-success);
}

.clinic-alert--warning,
.messages--warning {
  color: var(--clinic-warning);
  background: var(--clinic-warning-background);
  border-color: var(--clinic-warning-border);
  border-inline-start-color: var(--clinic-warning);
}

.clinic-alert--error,
.messages--error {
  color: var(--clinic-error);
  background: var(--clinic-error-background);
  border-color: var(--clinic-error-border);
  border-inline-start-color: var(--clinic-error);
}

.clinic-alert--info {
  color: var(--clinic-info);
  background: var(--clinic-info-background);
  border-color: var(--clinic-info-border);
  border-inline-start-color: var(--clinic-info);
}

.clinic-alert__title,
.messages__title {
  margin-block: 0 var(--clinic-space-1);
  color: inherit;
  font-weight: var(--clinic-font-weight-semibold);
}

/* Data tables. */
.clinic-table-region {
  inline-size: 100%;
  overflow-x: auto;
  background: var(--clinic-surface);
  border: 1px solid var(--clinic-border-subtle);
  border-radius: var(--clinic-radius-lg);
  box-shadow: var(--clinic-shadow-card);
  -webkit-overflow-scrolling: touch;
}

.clinic-table {
  inline-size: 100%;
  margin: 0;
  color: var(--clinic-text-primary);
  background: var(--clinic-surface);
  border-collapse: collapse;
  font-size: var(--clinic-font-size-table);
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}

.clinic-table caption {
  padding: var(--clinic-space-3) var(--clinic-space-4);
  color: var(--clinic-text-secondary);
  font-size: var(--clinic-font-size-label);
  text-align: start;
}

.clinic-table th,
.clinic-table td {
  min-block-size: var(--clinic-table-row-height-compact);
  padding-block: var(--clinic-table-cell-padding-block);
  padding-inline: var(--clinic-table-cell-padding-inline);
  border-block-end: 1px solid var(--clinic-border-subtle);
  text-align: start;
  vertical-align: middle;
}

.clinic-table th {
  color: var(--clinic-text-primary);
  background: var(--clinic-surface-subtle);
  font-size: var(--clinic-font-size-table);
  font-weight: var(--clinic-font-weight-semibold);
  letter-spacing: normal;
  text-transform: none;
}

.clinic-table tbody tr:hover {
  background: var(--clinic-primary-50);
}

.clinic-table tbody tr:focus-within {
  background: var(--clinic-primary-50);
  box-shadow: inset 3px 0 0 var(--clinic-primary-700);
}

html[dir="rtl"] .clinic-table tbody tr:focus-within {
  box-shadow: inset -3px 0 0 var(--clinic-primary-700);
}

.clinic-table--comfortable th,
.clinic-table--comfortable td {
  min-block-size: var(--clinic-table-row-height-comfortable);
  padding-block: var(--clinic-space-4);
}

.clinic-table__numeric {
  font-variant-numeric: tabular-nums;
  text-align: end;
}

/* Navigation tabs. Existing Drupal local tasks share the foundation style. */
.clinic-tabs,
ul.tabs {
  display: flex;
  align-items: flex-end;
  gap: var(--clinic-space-1);
  margin-block: 0 var(--clinic-space-6);
  padding: 0;
  overflow-x: auto;
  border-block-end: 1px solid var(--clinic-border-subtle);
  list-style: none;
}

.clinic-tabs__item,
ul.tabs > li {
  flex: 0 0 auto;
  margin: 0;
  list-style: none;
}

.clinic-tabs__link,
ul.tabs > li > a {
  display: inline-flex;
  min-block-size: var(--clinic-control-height);
  align-items: center;
  padding-block: var(--clinic-space-2);
  padding-inline: var(--clinic-space-3);
  color: var(--clinic-text-secondary);
  background: transparent;
  border: 0;
  border-block-end: 3px solid transparent;
  border-radius: var(--clinic-radius-sm) var(--clinic-radius-sm) 0 0;
  font-size: var(--clinic-font-size-label);
  font-weight: var(--clinic-font-weight-semibold);
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
}

.clinic-tabs__link:hover,
ul.tabs > li > a:hover {
  color: var(--clinic-primary-800);
  background: var(--clinic-primary-50);
}

.clinic-tabs__link[aria-current="page"],
.clinic-tabs__link[aria-selected="true"],
ul.tabs > li > a.is-active {
  color: var(--clinic-primary-800);
  background: transparent;
  border-block-end-color: var(--clinic-primary-700);
}

/* Dialog presentation. Semantics and focus management remain the caller's job. */
.clinic-modal-backdrop {
  position: fixed;
  z-index: 1040;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--clinic-space-4);
  background: var(--clinic-dialog-backdrop);
}

.clinic-modal,
dialog.clinic-modal {
  inline-size: min(100%, 40rem);
  max-block-size: min(90vh, 50rem);
  margin: auto;
  padding: 0;
  overflow: auto;
  color: var(--clinic-text-primary);
  background: var(--clinic-surface);
  border: 1px solid var(--clinic-border-subtle);
  border-radius: var(--clinic-radius-dialog);
  box-shadow: var(--clinic-shadow-dialog);
}

dialog.clinic-modal::backdrop {
  background: var(--clinic-dialog-backdrop);
}

.clinic-modal__header,
.clinic-modal__body,
.clinic-modal__footer {
  padding-inline: var(--clinic-space-6);
}

.clinic-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--clinic-space-4);
  padding-block: var(--clinic-space-4);
  border-block-end: 1px solid var(--clinic-border-subtle);
}

.clinic-modal__body {
  padding-block: var(--clinic-space-6);
}

.clinic-modal__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--clinic-space-3);
  padding-block: var(--clinic-space-4);
  border-block-start: 1px solid var(--clinic-border-subtle);
}

/* Toolbars and filter/action rows. */
.clinic-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--clinic-space-3);
  margin-block-end: var(--clinic-space-4);
}

.clinic-toolbar__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--clinic-space-2);
}

/* Empty states remain compact and action oriented. */
.clinic-empty-state {
  display: grid;
  justify-items: center;
  gap: var(--clinic-space-3);
  padding-block: var(--clinic-space-10);
  padding-inline: var(--clinic-space-6);
  color: var(--clinic-text-secondary);
  text-align: center;
  background: var(--clinic-surface);
  border: 1px dashed var(--clinic-border);
  border-radius: var(--clinic-radius-lg);
}

.clinic-empty-state__title {
  margin: 0;
  color: var(--clinic-text-primary);
  font-family: var(--clinic-font-heading);
  font-size: var(--clinic-font-size-card-title);
  font-weight: var(--clinic-font-weight-semibold);
}

.clinic-empty-state__description {
  max-inline-size: 36rem;
  margin: 0;
}

/* Screen-reader utility for component markup. */
.clinic-visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 47.999rem) {
  :root {
    --clinic-control-height: var(--clinic-control-height-touch);
    --clinic-icon-button-size: var(--clinic-control-height-touch);
  }

  .clinic-card {
    padding: var(--clinic-space-4);
  }

  .clinic-toolbar,
  .clinic-toolbar__group {
    align-items: stretch;
  }

  .clinic-modal__header,
  .clinic-modal__body,
  .clinic-modal__footer {
    padding-inline: var(--clinic-space-4);
  }
}

@media (pointer: coarse) {
  .clinic-button,
  .clinic-choice,
  .clinic-form-control,
  .clinic-select {
    min-block-size: var(--clinic-control-height-touch);
  }

  .clinic-button--icon {
    inline-size: var(--clinic-control-height-touch);
    min-inline-size: var(--clinic-control-height-touch);
  }
}

@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;
  }
}

@media (forced-colors: active) {
  .clinic-button,
  .clinic-form-control,
  .clinic-select,
  .clinic-textarea,
  .clinic-status-badge,
  .clinic-card,
  .clinic-alert,
  .messages,
  .clinic-table-region,
  .clinic-modal {
    border: 1px solid CanvasText;
  }

  .clinic-status-badge::before {
    border: 1px solid CanvasText;
  }
}