:root {
  color-scheme: light;
  --bg: #f6f7f3;
  --surface: #ffffff;
  --surface-2: #eef1eb;
  --ink: #12201d;
  --muted: #5f6c68;
  --line: #d9dfda;
  --brand: #155e54;
  --brand-strong: #0f493f;
  --brand-soft: #d9f3ea;
  --accent: #ffb86b;
  --danger: #b42318;
  --shadow: 0 20px 55px rgb(20 42 36 / 10%);
  --radius-sm: 0.65rem;
  --radius: 1rem;
  --radius-lg: 1.5rem;
  --max: 1180px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c1412;
  --surface: #121d1a;
  --surface-2: #182621;
  --ink: #eff9f5;
  --muted: #9fb2ab;
  --line: #2b3b36;
  --brand: #78dfc4;
  --brand-strong: #9cebd6;
  --brand-soft: #16382f;
  --accent: #ffc585;
  --danger: #ffb4ab;
  --shadow: 0 20px 55px rgb(0 0 0 / 28%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgb(81 190 160 / 11%), transparent 34rem),
    var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: var(--brand);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--brand-strong);
}

button,
input,
select {
  font: inherit;
}

button,
summary,
a,
input,
select {
  outline-offset: 3px;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-200%);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--bg);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.header-inner,
.site-footer,
.page-shell {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

.header-inner {
  min-height: 4.25rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 820;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 2rem;
  height: 2rem;
  border-radius: 0.65rem;
  background: var(--ink);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 12%);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  width: 0.82rem;
  height: 0.72rem;
  border: 2px solid;
  border-radius: 0.24rem;
}

.brand-mark::before {
  top: 0.42rem;
  left: 0.4rem;
  border-color: #71e5c7;
}

.brand-mark::after {
  right: 0.4rem;
  bottom: 0.4rem;
  border-color: #8aa6ff;
}

.primary-nav {
  display: flex;
  justify-content: center;
  gap: 0.15rem;
}

.primary-nav a {
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 660;
  text-decoration: none;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  background: var(--surface-2);
  color: var(--ink);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.control-badge,
.nav-toggle {
  min-width: 2.55rem;
  min-height: 2.55rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.theme-icon {
  font-size: 1.08rem;
  line-height: 1;
}

.language-menu {
  position: relative;
}

.language-menu summary {
  min-height: 2.55rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.7rem;
  list-style: none;
}

.language-menu summary::-webkit-details-marker {
  display: none;
}

.language-menu summary::after {
  content: "⌄";
  font-size: 0.75rem;
}

.language-menu[open] summary::after {
  transform: rotate(180deg);
}

.language-options {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  width: 12rem;
  max-height: min(25rem, 70vh);
  overflow: auto;
  padding: 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.language-options a {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0.65rem;
  border-radius: 0.55rem;
  color: var(--ink);
  text-decoration: none;
}

.language-options a:hover,
.language-options a[aria-current="true"] {
  background: var(--surface-2);
}

.nav-toggle {
  display: none;
}

.page-shell {
  padding-block: clamp(2rem, 5vw, 5rem);
}

.hero {
  max-width: 820px;
  margin: 0 auto clamp(2rem, 5vw, 4.5rem);
  text-align: center;
}

.eyebrow,
.kicker {
  margin: 0 0 0.65rem;
  color: var(--brand);
  font-size: 0.76rem;
  font-weight: 820;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  max-width: 18ch;
  margin: 0 auto 1.25rem;
  font-size: clamp(2.45rem, 7vw, 5.1rem);
  letter-spacing: -0.062em;
}

.inner-hero h1 {
  font-size: clamp(2.3rem, 6vw, 4.3rem);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.65rem, 4vw, 2.65rem);
  letter-spacing: -0.038em;
}

h3 {
  margin: 1.5rem 0 0.65rem;
  font-size: clamp(1.15rem, 3vw, 1.42rem);
  letter-spacing: -0.018em;
}

.lede {
  max-width: 68ch;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.02rem, 2vw, 1.22rem);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-facts li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
}

.tool-card {
  margin-bottom: clamp(4rem, 8vw, 7rem);
  overflow: clip;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.tool-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.tool-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.tool-body {
  display: grid;
  grid-template-columns: minmax(17rem, 0.84fr) minmax(0, 1.55fr);
  min-height: 36rem;
}

.tool-sidebar {
  padding: 1.15rem;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-2) 52%, var(--surface));
}

.drop-zone {
  display: grid;
  place-items: center;
  min-height: 9.5rem;
  padding: 1.25rem;
  border: 1.5px dashed color-mix(in srgb, var(--brand) 45%, var(--line));
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--brand-soft) 55%, transparent);
  text-align: center;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    background 160ms ease;
}

.drop-zone[data-active="true"],
.drop-zone.is-drag-over {
  border-color: var(--brand);
  background: var(--brand-soft);
  transform: translateY(-2px);
}

.drop-zone strong,
.drop-zone span {
  display: block;
}

.drop-zone span {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.button {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  background: var(--brand);
  color: #fff;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
}

:root[data-theme="dark"] .button {
  color: #09201a;
}

.button:hover {
  background: var(--brand-strong);
  color: #fff;
}

.button.secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.button.secondary:hover {
  background: var(--surface-2);
}

.button.ghost {
  min-height: 2.2rem;
  padding: 0.35rem 0.55rem;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

.image-list {
  display: grid;
  gap: 0.55rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
}

.image-list__empty {
  margin: 0;
  padding: 0.8rem;
  border: 1px dashed var(--line);
  border-radius: 0.7rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.image-card {
  display: grid;
  grid-template-columns: auto 3rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  cursor: grab;
}

.image-card.is-dragging {
  opacity: 0.5;
}

.image-card.is-drag-target {
  border-color: var(--brand);
  box-shadow: inset 0 0 0 1px var(--brand);
}

.image-card__handle {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: -0.15em;
}

.image-card__thumbnail {
  width: 3rem;
  height: 3rem;
  display: block;
  object-fit: cover;
  border-radius: 0.5rem;
  background: var(--surface-2);
}

.image-card__details {
  min-width: 0;
}

.image-card__name,
.image-card__meta {
  display: block;
}

.image-card__name {
  overflow: hidden;
  color: var(--ink);
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-card__meta {
  color: var(--muted);
  font-size: 0.68rem;
}

.image-card__actions {
  display: flex;
  gap: 0.1rem;
}

.image-card__action {
  width: 1.8rem;
  height: 1.8rem;
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.image-card__action:hover:not(:disabled) {
  background: var(--surface-2);
  color: var(--ink);
}

.image-card__action--remove:hover:not(:disabled) {
  color: var(--danger);
}

.image-card__action:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.image-item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  cursor: grab;
}

.image-item[data-dragging="true"] {
  opacity: 0.55;
}

.image-item img {
  width: 3rem;
  height: 3rem;
  display: block;
  object-fit: cover;
  border-radius: 0.5rem;
  background: var(--surface-2);
}

.image-name {
  overflow: hidden;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 690;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-meta {
  color: var(--muted);
  font-size: 0.72rem;
}

.image-actions {
  display: flex;
}

.icon-button {
  width: 1.85rem;
  height: 1.85rem;
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.icon-button:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.controls {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.control-group {
  margin: 0;
  padding: 0;
  border: 0;
}

.control-group legend,
.field > span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 770;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.38rem;
}

.segmented label {
  position: relative;
}

.segmented input {
  position: absolute;
  opacity: 0;
}

.segmented span {
  min-height: 2.35rem;
  display: grid;
  place-items: center;
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 680;
  text-align: center;
  cursor: pointer;
}

.segmented input:checked + span {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand-strong);
}

.segmented input:focus-visible + span {
  outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent);
  outline-offset: 2px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.field input[type="number"],
.field input[type="color"],
.field select {
  width: 100%;
  min-height: 2.55rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--surface);
  color: var(--ink);
}

.field input[type="color"] {
  padding: 0.25rem;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.tool-stage {
  min-width: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  background:
    linear-gradient(45deg, var(--surface-2) 25%, transparent 25%) 0 0 / 20px 20px,
    linear-gradient(45deg, transparent 75%, var(--surface-2) 75%) 0 0 / 20px 20px,
    linear-gradient(45deg, transparent 75%, var(--surface-2) 75%) 10px -10px / 20px
      20px,
    linear-gradient(45deg, var(--surface-2) 25%, var(--surface) 25%) 10px 10px /
      20px 20px;
}

.canvas-wrap {
  min-height: 29rem;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: 1.2rem;
}

#preview-canvas {
  max-width: 100%;
  max-height: 60vh;
  display: block;
  border-radius: 0.35rem;
  box-shadow: 0 12px 38px rgb(0 0 0 / 22%);
}

#preview-canvas[hidden] {
  display: none;
}

.empty-preview {
  max-width: 24rem;
  color: var(--muted);
  text-align: center;
}

.empty-preview-icon {
  width: 4.5rem;
  height: 4.5rem;
  display: grid;
  place-items: center;
  margin: 0 auto 1rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--surface);
  color: var(--brand);
  font-size: 1.8rem;
}

.export-bar {
  display: grid;
  grid-template-columns: auto minmax(8rem, 1fr) auto;
  align-items: end;
  gap: 0.8rem;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.export-meta {
  min-width: 7rem;
  color: var(--muted);
  font-size: 0.77rem;
}

.range-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.range-row input {
  width: 100%;
}

.tool-status {
  min-height: 1.45rem;
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.tool-status[data-kind="error"] {
  color: var(--danger);
}

.tool-status[data-state="error"] {
  color: var(--danger);
}

.tool-status[data-state="success"] {
  color: var(--brand-strong);
}

.content-flow {
  min-width: 0;
  display: grid;
  gap: clamp(3.5rem, 8vw, 6rem);
}

.content-section,
.evidence-card,
.faq-section,
.resource-hub {
  min-width: 0;
  max-width: 100%;
  width: min(100%, 850px);
  margin-inline: auto;
}

.content-section p,
.evidence-card p,
.resource-hub p {
  color: var(--muted);
}

.content-section li,
.evidence-card li {
  margin-block: 0.45rem;
}

.keyword-notes ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.keyword-notes li {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
}

.keyword-notes strong {
  flex: 0 0 auto;
  color: var(--brand);
  font-size: 0.78rem;
}

.keyword-notes span {
  min-width: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.callout {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--brand-soft);
  color: var(--ink);
}

.data-table-wrap {
  min-width: 0;
  max-width: 100%;
  margin-block: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
}

caption {
  padding: 0.85rem 1rem;
  color: var(--ink);
  font-weight: 760;
  text-align: left;
}

th,
td {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--ink);
  font-size: 0.82rem;
}

td {
  color: var(--muted);
}

.source-list {
  padding-left: 1.25rem;
}

blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 13%, var(--surface));
  color: var(--ink);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.resource-card {
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}

.resource-card:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
}

.resource-card strong,
.resource-card span {
  display: block;
}

.resource-card span {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.faq-list {
  display: grid;
  gap: 0.65rem;
}

.faq-list details {
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.faq-list summary {
  color: var(--ink);
  font-weight: 760;
  cursor: pointer;
}

.faq-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.breadcrumb {
  margin-bottom: 2rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.82rem;
  list-style: none;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--line);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
  padding-block: 2.2rem;
  border-top: 1px solid var(--line);
}

.footer-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 0.9rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--ink);
}

@media (max-width: 860px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .nav-toggle {
    display: inline-grid;
    justify-self: end;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 1rem;
    right: 1rem;
    display: none;
    justify-content: flex-start;
    flex-direction: column;
    padding: 0.6rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .primary-nav[data-open="true"] {
    display: flex;
  }

  .header-controls {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .nav-toggle {
    grid-column: 3;
  }

  .tool-body {
    grid-template-columns: 1fr;
  }

  .tool-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .keyword-notes ul {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .header-inner,
  .site-footer,
  .page-shell {
    width: min(calc(100% - 1.1rem), var(--max));
  }

  .brand-name {
    display: none;
  }

  .language-menu summary {
    padding-inline: 0.58rem;
  }

  .language-menu summary span:last-child {
    display: none;
  }

  .page-shell {
    padding-top: 2.2rem;
  }

  .hero {
    margin-bottom: 1.6rem;
  }

  h1 {
    font-size: clamp(2.2rem, 13vw, 3.5rem);
  }

  .hero-facts {
    display: none;
  }

  .tool-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .tool-sidebar {
    padding: 0.85rem;
  }

  .canvas-wrap {
    min-height: 20rem;
    padding: 0.7rem;
  }

  .export-bar {
    grid-template-columns: 1fr 1fr;
  }

  .export-meta {
    grid-column: 1 / -1;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 430px) {
  .export-bar {
    grid-template-columns: minmax(0, 1fr);
  }

  .export-meta {
    grid-column: auto;
  }

  .export-bar .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}