/* Static root layout. Shared primitives live in tokens.css. */

body {
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4) var(--space-6);
}

.shell {
  width: min(100%, 1120px);
  margin: 0 auto;
}

html[data-view="list"] #emptyState,
html[data-view="builder"] #emptyState {
  display: none;
}

.landing {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.landing-nav {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding: 0 clamp(var(--space-4), 4vw, var(--space-7));
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--text);
  color: var(--surface);
  font-size: 0.7rem;
  letter-spacing: -0.04em;
}

.nav-link,
.text-link {
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 5px;
}

.hero {
  display: grid;
  min-height: 570px;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(var(--space-7), 7vw, 96px);
  padding: clamp(56px, 8vw, 104px) clamp(var(--space-5), 6vw, 72px);
  background-image: radial-gradient(
    circle at 12% 15%,
    var(--accent-soft),
    transparent 28%
  );
}

.eyebrow {
  margin-bottom: var(--space-4);
  color: var(--accent-text);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 670px;
  margin-bottom: var(--space-5);
  font-size: clamp(2.9rem, 6.5vw, 5.6rem);
  font-weight: 680;
  letter-spacing: -0.065em;
  line-height: 0.96;
  text-wrap: balance;
}

.hero-intro {
  max-width: 570px;
  margin-bottom: var(--space-7);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
}

.hero-button {
  gap: var(--space-5);
  padding-inline: var(--space-5);
}

[dir="rtl"] .hero-button span:last-child {
  transform: scaleX(-1);
}

.route-specimen {
  position: relative;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: var(--surface-2);
  box-shadow: 18px 18px 0 var(--accent-soft);
  transform: rotate(1.25deg);
}

.route-specimen::before {
  content: "";
  position: absolute;
  inset: 8px -9px -9px 8px;
  z-index: -1;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transform: rotate(-3deg);
}

.specimen-label {
  margin: 0 0 var(--space-3);
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.specimen-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.specimen-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  background: var(--surface);
  transition:
    transform 160ms ease,
    border-color 160ms ease;
}

.specimen-list li:nth-child(2) {
  transform: translateX(10px);
}

[dir="rtl"] .specimen-list li:nth-child(2) {
  transform: translateX(-10px);
}

.specimen-number,
.feature-number {
  color: var(--accent-text);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.specimen-list strong,
.specimen-list small {
  display: block;
}

.specimen-list strong {
  font-size: var(--text-base);
}

.specimen-list small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.75rem;
}

.specimen-arrow {
  color: var(--accent-text);
}

.specimen-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-1) 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.specimen-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  border-block: 1px solid var(--border);
  padding: 0;
  list-style: none;
}

.capabilities li {
  padding: var(--space-5);
  color: var(--muted);
  font-size: var(--text-sm);
  text-align: center;
}

.capabilities li + li {
  border-inline-start: 1px solid var(--border);
}

.how-it-works {
  padding: clamp(64px, 8vw, 96px) clamp(var(--space-5), 6vw, 72px);
}

.section-heading {
  max-width: 520px;
  margin-bottom: var(--space-8);
}

.section-heading h2,
.closing-callout h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}

.feature-grid article {
  min-height: 220px;
  padding: var(--space-6);
  background: var(--surface);
}

.feature-grid h3 {
  margin-top: var(--space-7);
  font-size: var(--text-lg);
}

.feature-grid p {
  max-width: 28ch;
  margin: 0;
  font-size: var(--text-sm);
}

.closing-callout {
  display: grid;
  gap: var(--space-7);
  margin: 0 clamp(var(--space-5), 6vw, 72px) clamp(var(--space-5), 6vw, 72px);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 5vw, var(--space-8));
  background: var(--text);
  color: var(--surface);
}

.closing-callout .eyebrow {
  color: var(--accent-text);
}

.closing-copy {
  max-width: 36rem;
}

.closing-intro {
  max-width: 42ch;
  margin: var(--space-3) 0 0;
  color: color-mix(in srgb, var(--surface) 72%, transparent);
  font-size: var(--text-sm);
}

.closing-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid color-mix(in srgb, var(--surface) 18%, transparent);
  background: color-mix(in srgb, var(--surface) 18%, transparent);
}

.closing-option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  align-items: end;
  min-height: 168px;
  padding: var(--space-5);
  background: color-mix(in srgb, var(--text) 92%, var(--surface));
  color: inherit;
  text-decoration: none;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.closing-option:hover,
.closing-option:focus-visible {
  background: color-mix(in srgb, var(--text) 82%, var(--accent));
}

.closing-option-index {
  color: var(--accent-text);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.closing-option-body {
  display: grid;
  gap: var(--space-2);
  align-content: end;
}

.closing-option-kicker {
  color: color-mix(in srgb, var(--surface) 62%, transparent);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.closing-option-body strong {
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.closing-option-body > span:last-child {
  max-width: 28ch;
  color: color-mix(in srgb, var(--surface) 72%, transparent);
  font-size: var(--text-sm);
}

.closing-option-cta {
  align-self: end;
  color: var(--accent-text);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.closing-option-cta::after {
  content: " →";
}

:lang(fa) .closing-option-cta::after,
[dir="rtl"] .closing-option-cta::after {
  content: " ←";
}

.link-list,
.builder,
.list-header,
.share-complete {
  width: min(100%, 520px);
  margin-inline: auto;
}

.share-complete-status:empty {
  display: none;
}

.list-header {
  margin-bottom: var(--space-4);
  text-align: center;
}

.list-header h1 {
  margin: 0 0 var(--space-2);
  overflow-wrap: anywhere;
}

.list-intro {
  margin: 0 0 var(--space-4);
  color: var(--muted);
  overflow-wrap: anywhere;
}

.share-complete {
  margin-bottom: var(--space-4);
  padding: var(--space-6);
}

.share-complete h2 {
  font-size: var(--text-lg);
}

.list-meta-fields {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.list-meta-fields textarea {
  width: 100%;
  min-height: 72px;
  resize: vertical;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: var(--text-base);
}

.list-meta-fields textarea:focus-visible {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--ring);
}

.url-size-note.error {
  color: var(--danger-text);
  font-weight: 600;
}

.managed-preview-note {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: var(--text-sm);
}

.undo-notice {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin: var(--space-3) 0 0;
  color: var(--muted);
  font-size: var(--text-sm);
}

.link-field {
  position: relative;
}

.link-field.dragging {
  opacity: 0.65;
}

.link-field.drop-target {
  outline: 2px dashed var(--accent);
  outline-offset: 2px;
}

.link-field .drag-handle {
  position: absolute;
  inset-inline-start: var(--space-3);
  top: var(--space-3);
  cursor: grab;
}

.link-field .drag-handle:active {
  cursor: grabbing;
}

[dir="rtl"] .link-field .drag-handle {
  inset-inline-start: auto;
  inset-inline-end: var(--space-3);
}

.link-field legend {
  padding-inline-start: calc(34px + var(--space-2));
}

.link-list,
.builder {
  display: grid;
  gap: var(--space-3);
}

.builder {
  margin-top: var(--space-4);
  padding: var(--space-6);
}

.builder-head {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.language-control {
  display: grid;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.language-control label {
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: 500;
}

.link-fields {
  display: grid;
  gap: var(--space-3);
}

.link-field {
  display: grid;
  gap: var(--space-3);
  background: var(--surface-2);
}

.field-actions,
.builder-actions,
.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.builder-actions {
  margin-top: var(--space-5);
  align-items: center;
}

.builder-actions .button[type="submit"] {
  margin-inline-start: auto;
}

.output-label {
  margin-top: var(--space-6);
}

.share-row {
  align-items: stretch;
}

.share-url {
  flex: 1 1 220px;
  background: var(--surface-2);
  font-size: var(--text-sm);
  text-align: left;
}

.qr-actions {
  margin-top: var(--space-3);
}

.qr-wrap {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  background: var(--surface-2);
}

/* author display:grid otherwise wins over the UA [hidden] rule */
.qr-wrap[hidden],
.link-list[hidden],
.builder[hidden] {
  display: none;
}

.qr-image {
  width: min(100%, 240px);
  height: auto;
  border-radius: var(--radius-sm);
  background: #fff;
}

.qr-note {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-sm);
  text-align: center;
}

.footer {
  display: flex;
  width: min(100%, 520px);
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  align-items: center;
  justify-content: center;
  margin: auto auto 0;
  padding: var(--space-6) var(--space-4) 0;
  text-align: center;
}

.footer-action {
  flex-basis: 100%;
}

.footer a,
.footer-button {
  color: var(--muted);
  font-size: var(--text-sm);
  text-decoration: none;
}

.footer-button {
  border: 0;
  padding: 0;
  background: transparent;
  font: inherit;
  font-size: var(--text-sm);
  cursor: pointer;
}

.footer a:hover,
.footer-button:hover {
  color: var(--accent-text);
  text-decoration: underline;
}

@media (hover: hover) {
  .specimen-list li:hover {
    border-color: var(--border-strong);
    transform: translateX(-4px);
  }
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .route-specimen {
    width: min(100%, 500px);
  }

  .capabilities {
    grid-template-columns: repeat(2, 1fr);
  }

  .capabilities li:nth-child(3) {
    border-inline-start: 0;
    border-top: 1px solid var(--border);
  }

  .capabilities li:nth-child(4) {
    border-top: 1px solid var(--border);
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid article {
    min-height: 0;
  }

  .closing-options {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  body {
    padding: var(--space-3) var(--space-3) var(--space-6);
  }

  .landing {
    border-radius: var(--radius-lg);
  }

  .landing-nav {
    min-height: 62px;
  }

  .hero {
    min-height: auto;
    padding-block: var(--space-8);
  }

  .hero h1 {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button,
  .closing-option {
    width: 100%;
  }

  .closing-option {
    grid-template-columns: auto 1fr;
    align-items: start;
    min-height: 0;
  }

  .closing-option-cta {
    grid-column: 2;
    justify-self: start;
  }

  .route-specimen {
    box-shadow: 9px 9px 0 var(--accent-soft);
  }

  .capabilities {
    grid-template-columns: 1fr;
  }

  .capabilities li + li,
  .capabilities li:nth-child(3) {
    border-inline-start: 0;
    border-top: 1px solid var(--border);
  }

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

  .builder-head,
  .share-row {
    flex-direction: column;
  }

  .field-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .builder-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .builder-actions .button[type="submit"] {
    grid-column: 1 / -1;
    margin-inline-start: 0;
  }

  .button {
    width: 100%;
  }

  .builder-head .button {
    width: auto;
    align-self: flex-start;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html[data-view="empty"] .hero-copy,
  html[data-view="empty"] .route-specimen {
    animation: landing-in 520ms ease-out both;
  }

  html[data-view="empty"] .route-specimen {
    animation-delay: 90ms;
  }

  @keyframes landing-in {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
  }
}