/* Shared components. Tokens only, logical properties only. */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-block-size: 40px;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.btn:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-contrast);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-primary-contrast);
}

.btn--ghost {
  background: transparent;
  border-color: transparent;
}

.btn--ghost:hover {
  background: var(--color-surface-2);
}

.btn--sm {
  min-block-size: 32px;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn--icon {
  inline-size: 40px;
  padding: 0;
}

.btn--icon.btn--sm {
  inline-size: 32px;
}

.btn--block {
  display: flex;
  inline-size: 100%;
}

.btn-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- Card ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  min-inline-size: 0;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-block-end: 1px solid var(--color-border);
}

.card__title {
  margin: 0;
  font-size: var(--text-lg);
}

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

/* ---------- Tabs ---------- */
.tabs__list {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  overflow-y: hidden;
  border-block-end: 1px solid var(--color-border);
  scrollbar-width: thin;
}

.tabs__tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex: 0 0 auto;
  padding: var(--space-3) var(--space-4);
  border: 0;
  border-block-end: 2px solid transparent;
  margin-block-end: -1px;
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.tabs__tab:hover {
  color: var(--color-text);
}

.tabs__tab[aria-selected="true"] {
  color: var(--color-primary);
  border-block-end-color: var(--color-primary);
}

.tabs__panel {
  padding-block-start: var(--space-4);
}

.tabs--pills .tabs__list {
  flex-wrap: wrap;
  gap: var(--space-2);
  border-block-end: 0;
  overflow-x: visible;
}

.tabs--pills .tabs__tab {
  padding: var(--space-2) var(--space-3);
  margin-block-end: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
}

.tabs--pills .tabs__tab[aria-selected="true"] {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---------- Form fields ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-inline-size: 0;
}

.field__label {
  font-size: var(--text-sm);
  font-weight: 600;
}

.field__hint {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.field__error {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-danger);
}

.input,
.select,
.textarea {
  display: block;
  inline-size: 100%;
  min-inline-size: 0;
  min-block-size: 42px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-md);
  line-height: 1.4;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.8;
}

.input:hover,
.select:hover,
.textarea:hover {
  border-color: var(--color-text-muted);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-focus) 25%, transparent);
}

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

.textarea {
  min-block-size: 96px;
  resize: vertical;
}

.select {
  inline-size: auto;
  max-inline-size: 100%;
  cursor: pointer;
}

/* ---------- Input group ---------- */
.input-group {
  display: flex;
  align-items: stretch;
  inline-size: 100%;
  min-inline-size: 0;
}

.input-group__addon {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  padding-inline: var(--space-3);
  border: 1px solid var(--color-border);
  border-inline-end: 0;
  border-start-start-radius: var(--radius-md);
  border-end-start-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.input-group__addon .select {
  direction: ltr;
}

.input-group__addon .select {
  min-block-size: 0;
  padding-block: var(--space-1);
  padding-inline: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.input-group > .input,
.input-group > .select {
  flex: 1 1 auto;
}

.input-group__addon + .input,
.input-group__addon + .select {
  border-start-start-radius: 0;
  border-end-start-radius: 0;
}

/* ---------- Range ---------- */
.range {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.range__input {
  flex: 1 1 auto;
  min-inline-size: 0;
  accent-color: var(--color-primary);
}

.range__value {
  flex: 0 0 auto;
  min-inline-size: 3.5ch;
  text-align: end;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: var(--color-text-muted);
}

/* ---------- Color field ---------- */
.color-field {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-inline-size: 0;
  padding: 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.color-field:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-focus) 25%, transparent);
}

.color-field__swatch {
  flex: 0 0 auto;
  inline-size: 32px;
  block-size: 32px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  cursor: pointer;
}

.color-field__swatch::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-field__swatch::-webkit-color-swatch {
  border: 0;
  border-radius: 999px;
}

.color-field__swatch::-moz-color-swatch {
  border: 0;
  border-radius: 999px;
}

.color-field__hex {
  direction: ltr;
  flex: 1 1 auto;
  min-block-size: 0;
  padding: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
  font-family: var(--font-mono);
}

.color-field__hex:focus {
  box-shadow: none;
}

/* ---------- Checkbox ---------- */
.check {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
}

.check input[type="checkbox"] {
  inline-size: 18px;
  block-size: 18px;
  margin: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ---------- Dropzone ---------- */
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-4);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.dropzone:hover,
.dropzone.is-dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

/* ---------- Collapsible / FAQ ---------- */
.collapsible,
.faq {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.collapsible > summary,
.faq > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.collapsible > summary::-webkit-details-marker,
.faq > summary::-webkit-details-marker {
  display: none;
}

.collapsible > summary::after,
.faq > summary::after {
  content: "";
  flex: 0 0 auto;
  inline-size: 8px;
  block-size: 8px;
  border-inline-end: 2px solid var(--color-text-muted);
  border-block-end: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  transition: transform var(--transition);
}

.collapsible[open] > summary::after,
.faq[open] > summary::after {
  transform: rotate(-135deg);
}

.collapsible > summary:hover,
.faq > summary:hover {
  color: var(--color-primary);
}

.collapsible[open] > summary,
.faq[open] > summary {
  border-block-end: 1px solid var(--color-border);
}

.collapsible > :not(summary),
.faq > :not(summary) {
  margin: 0;
  padding: var(--space-4);
}

.faq + .faq {
  margin-block-start: var(--space-2);
}

/* ---------- Prose ---------- */
.prose {
  max-inline-size: 72ch;
  line-height: 1.75;
}

.prose h2 {
  margin-block: var(--space-6) var(--space-3);
}

.prose h3 {
  margin-block: var(--space-5) var(--space-2);
}

.prose p,
.prose ul,
.prose ol {
  margin-block-end: var(--space-4);
}

.prose li + li {
  margin-block-start: var(--space-1);
}

.prose code {
  padding: 0.1em 0.4em;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.6;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: var(--color-overlay);
}

.modal__dialog {
  display: flex;
  flex-direction: column;
  inline-size: 100%;
  max-inline-size: 560px;
  max-block-size: calc(100vh - var(--space-8));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.modal__dialog:focus {
  outline: none;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-3);
  padding-inline: var(--space-5) var(--space-3);
  border-block-end: 1px solid var(--color-border);
}

.modal__title {
  margin: 0;
  font-size: var(--text-lg);
}

.modal__close {
  flex: 0 0 auto;
}

.modal__body {
  padding: var(--space-5);
  overflow-y: auto;
}

/* ---------- Toast ---------- */
.toast-region {
  position: fixed;
  inset-block-end: var(--space-4);
  inset-inline: var(--space-4);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  max-inline-size: 100%;
  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);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm);
  font-weight: 600;
  pointer-events: auto;
  animation: toast-in 180ms ease;
  transition: opacity 200ms ease;
}

.toast.is-leaving {
  opacity: 0;
}

.toast--success {
  border-color: var(--color-success);
  color: var(--color-success);
}

.toast--error {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Share bar ---------- */
.share-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.share-bar .btn {
  inline-size: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ---------- Site header ---------- */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: var(--color-surface);
  border-block-end: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  min-block-size: var(--header-height);
  padding-block: var(--space-2);
}

.site-brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 800;
  text-decoration: none;
}

.site-brand:hover {
  color: var(--color-text);
}

.site-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 34px;
  block-size: 34px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.site-nav {
  display: flex;
  flex-wrap: nowrap;
  overflow: hidden;
  align-items: center;
  gap: var(--space-1);
  flex: 1 1 auto;
  min-inline-size: 0;
}

.site-nav__link {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-inline-size: 0;
  max-inline-size: 100%;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.site-header__actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: auto;
}

.site-lang {
  min-block-size: 36px;
  padding-block: var(--space-1);
  font-size: var(--text-sm);
}

@media (max-width: 479px) {
  .site-brand__name {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .site-nav__link {
    padding-inline: var(--space-2);
    font-size: var(--text-xs);
  }
}

/* ---------- Site footer ---------- */
.site-footer {
  margin-block-start: auto;
  background: var(--color-surface);
  border-block-start: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  padding-block: var(--space-6);
}

.site-footer__name {
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 800;
  text-decoration: none;
}

.site-footer__tagline {
  margin: var(--space-1) 0 0;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
}

.site-footer__heading {
  color: var(--color-text);
  font-weight: 700;
}

.site-footer__copy {
  margin: 0;
  font-size: var(--text-xs);
}

@media (min-width: 720px) {
  .site-footer__inner {
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .site-footer__copy {
    grid-column: 1 / -1;
  }
}

/* ---------- Hub page ---------- */
.hero {
  padding-block: var(--space-8) var(--space-6);
  text-align: center;
}

.hero__title {
  margin-inline: auto;
  max-inline-size: 20ch;
}

.hero__subtitle {
  margin-inline: auto;
  max-inline-size: 56ch;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

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

@media (min-width: 600px) {
  .tool-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.tool-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  color: var(--color-text);
  transform: translateY(-2px);
}

.tool-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 48px;
  block-size: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.tool-card__title {
  margin: 0;
  font-size: var(--text-lg);
}

.tool-card__desc {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.tool-card__cta {
  margin-block-start: auto;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
}

/* ---------- Direction helper ---------- */
/* Latin-only values (URLs, file extensions, phone numbers, hex) stay LTR inside RTL pages. */
.ltr {
  direction: ltr;
  unicode-bidi: isolate;
}