:root {
  color-scheme: light;
  --brand: #ec5b13;
  --brand-strong: #c94408;
  --brand-soft: rgba(236, 91, 19, 0.12);
  --accent: #16a5a0;
  --accent-soft: rgba(22, 165, 160, 0.14);
  --accent-2: #7c3aed;
  --accent-2-soft: rgba(124, 58, 237, 0.14);
  --surface: #fff7f2;
  --surface-alt: #ffffff;
  --surface-muted: #fef0e7;
  --surface-deep: #f5f5f4;
  --text: #1f2937;
  --text-soft: #4b5563;
  --text-muted: #6b7280;
  --border: rgba(148, 163, 184, 0.24);
  --shadow: 0 24px 64px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 12px 32px rgba(15, 23, 42, 0.06);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --content-width: min(1180px, calc(100vw - 2rem));
  --header-height: 82px;
  --success: #15803d;
  --warning: #b45309;
  --danger: #dc2626;
}

html[data-theme='dark'] {
  color-scheme: dark;
  --surface: #111827;
  --surface-alt: #0f172a;
  --surface-muted: #1f2937;
  --surface-deep: #030712;
  --text: #f8fafc;
  --text-soft: #d1d5db;
  --text-muted: #94a3b8;
  --border: rgba(148, 163, 184, 0.18);
  --shadow: 0 24px 64px rgba(2, 6, 23, 0.45);
  --shadow-soft: 0 12px 32px rgba(2, 6, 23, 0.35);
  --brand-soft: rgba(236, 91, 19, 0.18);
  --accent-soft: rgba(22, 165, 160, 0.18);
  --accent-2-soft: rgba(124, 58, 237, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(236, 91, 19, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(22, 165, 160, 0.12), transparent 22%),
    linear-gradient(180deg, var(--surface) 0%, var(--surface-alt) 58%, var(--surface) 100%);
  color: var(--text);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
input[type='search']::-webkit-search-cancel-button { display: none; }

.site-frame {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.container,
.section-shell,
.site-header__inner,
.site-footer__inner {
  width: var(--content-width);
  margin: 0 auto;
}

main {
  flex: 1;
  padding-bottom: 4rem;
}

.section-shell {
  padding: 1.25rem 0 0;
}

.section {
  padding: 2.2rem 0;
}

.card,
.glass-panel,
.filter-card,
.sidebar-panel,
.notice,
.empty-state,
.stat-card,
.step-card,
.cta-band,
.upload-panel,
.stage-panel,
.app-card,
.detail-card,
.tab-panel {
  background: color-mix(in srgb, var(--surface-alt) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.glass-panel {
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--surface-alt) 82%, transparent);
}

.page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

html[data-theme='dark'] .page-eyebrow { color: #ffb088; }

h1, h2, h3, h4, p { margin: 0; }
h1 { font-size: clamp(2.35rem, 5vw, 4.4rem); line-height: 1.03; letter-spacing: -0.04em; }
h2 { font-size: clamp(1.85rem, 2.4vw, 2.8rem); line-height: 1.08; letter-spacing: -0.03em; }
h3 { font-size: 1.15rem; line-height: 1.18; }
p { color: var(--text-soft); line-height: 1.7; }

.lead {
  font-size: 1.08rem;
  max-width: 68ch;
}

.section-heading {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-heading p { max-width: 62ch; }

.button-row,
.inline-actions,
.hero-actions,
.card-actions,
.upload-actions,
.filter-toolbar,
.usage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button,
.button-secondary,
.button-ghost,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  padding: 0.88rem 1.2rem;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.button:hover,
.button-secondary:hover,
.button-ghost:hover,
.button-link:hover {
  transform: translateY(-1px);
}

.button {
  background: linear-gradient(135deg, var(--brand) 0%, #ff8c42 100%);
  color: white;
  box-shadow: 0 14px 30px rgba(236, 91, 19, 0.2);
}

.button-secondary {
  background: linear-gradient(135deg, var(--accent) 0%, #47d7d2 100%);
  color: #052c2b;
}

.button-ghost {
  border-color: var(--border);
  background: color-mix(in srgb, var(--surface-alt) 84%, transparent);
  color: var(--text);
}

.button-link {
  padding-inline: 0;
  background: transparent;
  color: var(--brand-strong);
}

html[data-theme='dark'] .button-link { color: #ffb088; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--surface-alt) 80%, transparent);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand__mark {
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, rgba(236, 91, 19, 0.18), rgba(22, 165, 160, 0.16));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.brand__mark img {
  width: 1.8rem;
  height: 1.8rem;
}

.brand small {
  display: block;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.site-nav a {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  color: var(--text-soft);
  font-weight: 650;
}

.site-nav a[aria-current='page'],
.site-nav a:hover {
  background: var(--brand-soft);
  color: var(--brand-strong);
}

html[data-theme='dark'] .site-nav a[aria-current='page'],
html[data-theme='dark'] .site-nav a:hover { color: #ffb088; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-menu {
  position: relative;
}

.theme-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.65rem);
  min-width: 12rem;
  display: grid;
  gap: 0.3rem;
  padding: 0.55rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-alt) 94%, transparent);
  box-shadow: var(--shadow);
}

.theme-menu__panel[hidden] { display: none; }

.theme-option {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
}

.theme-option[aria-pressed='true'],
.theme-option:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 1.5rem;
  align-items: stretch;
}

.hero-copy,
.hero-visual {
  padding: clamp(1.4rem, 2vw, 2rem);
}

.hero-copy {
  display: grid;
  gap: 1.15rem;
}

.hero-copy .lead {
  font-size: 1.12rem;
}

.hero-stats,
.info-grid,
.kpi-row,
.usage-grid,
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.95rem;
}

.stat-card {
  padding: 1rem 1.05rem;
}

.stat-card strong,
.kpi strong {
  display: block;
  font-size: 1.45rem;
  line-height: 1.1;
}

.kpi {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--surface-muted), color-mix(in srgb, var(--surface-alt) 90%, transparent));
  border: 1px solid var(--border);
}

.before-after {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 4px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(145deg, rgba(236, 91, 19, 0.14), rgba(124, 58, 237, 0.12));
  border: 1px solid var(--border);
}

.before-after__pane,
.before-after__after {
  position: absolute;
  inset: 0;
}

.before-after__pane img,
.before-after__after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.before-after__after {
  clip-path: inset(0 calc(100% - var(--position, 52%)) 0 0);
}

.before-after__divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--position, 52%);
  width: 2px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.before-after__divider::after {
  content: '↔';
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.72);
  color: white;
  font-size: 1rem;
}

.before-after__range {
  position: absolute;
  inset: auto 1rem 1rem 1rem;
  width: calc(100% - 2rem);
}

.before-after__labels {
  position: absolute;
  inset: 1rem 1rem auto 1rem;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}

.pill,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.pill {
  background: rgba(15, 23, 42, 0.55);
  color: white;
}

.badge {
  background: var(--surface-muted);
  border: 1px solid var(--border);
  color: var(--text-soft);
}

.badge--brand {
  background: var(--brand-soft);
  color: var(--brand-strong);
  border-color: transparent;
}

.badge--accent {
  background: var(--accent-soft);
  color: color-mix(in srgb, var(--accent) 72%, var(--text));
  border-color: transparent;
}

.badge--success {
  background: rgba(21, 128, 61, 0.14);
  color: var(--success);
  border-color: transparent;
}

.badge--warning {
  background: rgba(180, 83, 9, 0.14);
  color: var(--warning);
  border-color: transparent;
}

.notice {
  padding: 1rem 1.05rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1.3rem;
}

.notice strong { display: block; margin-bottom: 0.15rem; }

.grid,
.card-grid,
.catalog-grid,
.category-grid,
.step-grid,
.static-grid,
.related-grid,
.selection-grid {
  display: grid;
  gap: 1rem;
}

.catalog-grid { grid-template-columns: repeat(auto-fit, minmax(248px, 1fr)); }
.category-grid { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.step-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.static-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.selection-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.step-card,
.detail-card,
.upload-panel,
.stage-panel,
.app-card,
.tab-panel,
.sidebar-panel,
.filter-card,
.empty-state {
  padding: 1.15rem;
}

.step-card {
  display: grid;
  gap: 0.9rem;
}

.step-card__index {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-weight: 800;
  background: linear-gradient(140deg, var(--brand), #ff9a5c);
  color: white;
}

.filter-card {
  display: grid;
  gap: 0.95rem;
  min-height: 100%;
}

.filter-card__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(236, 91, 19, 0.12), rgba(22, 165, 160, 0.14));
}

.filter-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.filter-card__media img:last-child {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.filter-card:hover .filter-card__media img:last-child { opacity: 1; }

.filter-card__content {
  display: grid;
  gap: 0.65rem;
}

.filter-card__meta,
.filter-card__badges,
.filter-card__actions,
.toolbar-line,
.filter-summary__badges,
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.filter-card__actions { margin-top: auto; }

.filter-card__description {
  font-size: 0.96rem;
  color: var(--text-soft);
}

.meta-text,
.caption,
.microcopy,
.toolbar-caption {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.page-header,
.category-hero,
.filter-summary,
.static-hero {
  display: grid;
  gap: 1rem;
  padding: 1.2rem 0 1rem;
}

.browse-layout,
.try-layout,
.category-layout {
  display: grid;
  grid-template-columns: minmax(250px, 320px) minmax(0, 1fr);
  gap: 1.15rem;
  align-items: start;
}

.try-layout { grid-template-columns: minmax(300px, 400px) minmax(0, 1fr); }

.sidebar-panel {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  display: grid;
  gap: 1rem;
}

.filter-group {
  display: grid;
  gap: 0.6rem;
}

.filter-group__title,
.panel-title {
  font-weight: 800;
  font-size: 0.96rem;
}

.checkbox-list,
.radio-list,
.tag-list,
.variant-list {
  display: grid;
  gap: 0.5rem;
}

.checkbox-row,
.radio-row,
.inline-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0.8rem;
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface-muted) 72%, transparent);
  border: 1px solid transparent;
}

.checkbox-row:hover,
.radio-row:hover,
.inline-field:hover {
  border-color: var(--border);
}

.checkbox-row label,
.radio-row label,
.inline-field label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  cursor: pointer;
}

.search-input,
.select-input,
.text-input,
textarea,
input[type='file'] {
  width: 100%;
  padding: 0.92rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-alt) 86%, transparent);
  color: var(--text);
}

.select-input {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
    linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 1.3rem) calc(1rem + 2px), calc(100% - 1rem) calc(1rem + 2px);
  background-size: 0.35rem 0.35rem;
  background-repeat: no-repeat;
}

.filter-toolbar {
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.upload-dropzone {
  border: 1.5px dashed color-mix(in srgb, var(--brand) 46%, var(--border));
  border-radius: var(--radius-md);
  padding: 1.4rem 1rem;
  text-align: center;
  display: grid;
  gap: 0.8rem;
  background: linear-gradient(180deg, var(--surface-muted), color-mix(in srgb, var(--surface-alt) 92%, transparent));
}

.upload-dropzone[data-dragging='true'] {
  background: linear-gradient(180deg, rgba(236, 91, 19, 0.18), rgba(236, 91, 19, 0.08));
}

.stage-panel {
  display: grid;
  gap: 1rem;
}

.stage-stack {
  display: grid;
  gap: 1rem;
}

.stage-placeholder {
  min-height: 340px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  background: linear-gradient(145deg, rgba(236, 91, 19, 0.08), rgba(22, 165, 160, 0.08));
}

.preview-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-deep);
  aspect-ratio: 1 / 1;
}

.preview-frame img,
.preview-frame canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.progress {
  width: 100%;
  height: 0.75rem;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--surface-muted) 76%, transparent);
}

.progress span {
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  background: linear-gradient(90deg, var(--brand), #ffae6c, var(--accent));
  transition: width 0.25s ease;
}

.variant-list {
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
}

.variant-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: color-mix(in srgb, var(--surface-alt) 90%, transparent);
}

.variant-card button {
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
}

.variant-card img {
  aspect-ratio: 1 / 1;
  width: 100%;
  object-fit: cover;
}

.variant-card__label {
  padding: 0.55rem;
  font-size: 0.85rem;
  font-weight: 700;
}

.variant-card[data-active='true'] {
  border-color: color-mix(in srgb, var(--brand) 52%, transparent);
  box-shadow: 0 0 0 3px rgba(236, 91, 19, 0.12);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.tab-button {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-alt) 84%, transparent);
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  color: var(--text-soft);
  font-weight: 700;
}

.tab-button[aria-selected='true'] {
  background: var(--brand-soft);
  border-color: transparent;
  color: var(--brand-strong);
}

html[data-theme='dark'] .tab-button[aria-selected='true'] { color: #ffb088; }

.tab-panel[hidden] { display: none; }

.markdown-content {
  display: grid;
  gap: 0.9rem;
}

.markdown-content ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-soft);
}

.markdown-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: color-mix(in srgb, var(--surface-muted) 82%, transparent);
  padding: 0.12rem 0.32rem;
  border-radius: 0.4rem;
}

.breadcrumb a,
.breadcrumb span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-alt) 92%, transparent);
  margin-top: auto;
}

.site-footer__inner {
  padding: 2rem 0 2.6rem;
}

.footer-column {
  display: grid;
  gap: 0.75rem;
}

.footer-column a {
  color: var(--text-soft);
}

.footer-column a:hover { color: var(--text); }

.footer-note {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.toast-region {
  position: fixed;
  inset: auto 1rem 1rem auto;
  z-index: 90;
  display: grid;
  gap: 0.6rem;
}

.toast {
  min-width: 260px;
  max-width: 360px;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-alt) 94%, transparent);
  box-shadow: var(--shadow);
}

.skeleton {
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.1) 0%, rgba(148, 163, 184, 0.22) 50%, rgba(148, 163, 184, 0.1) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.35s infinite linear;
}

.skeleton-card {
  border-radius: var(--radius-lg);
  min-height: 320px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.hidden { display: none !important; }

@media (max-width: 980px) {
  .hero,
  .browse-layout,
  .try-layout,
  .category-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .site-header__inner {
    flex-wrap: wrap;
    padding: 0.85rem 0;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  .sidebar-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  :root {
    --content-width: min(100vw - 1rem, 1180px);
    --header-height: 94px;
  }

  .hero-copy,
  .hero-visual,
  .step-card,
  .detail-card,
  .filter-card,
  .upload-panel,
  .stage-panel,
  .app-card,
  .tab-panel,
  .sidebar-panel,
  .empty-state {
    padding: 1rem;
  }

  h1 { font-size: clamp(2.15rem, 10vw, 3.1rem); }
  h2 { font-size: clamp(1.55rem, 7vw, 2.1rem); }

  .button,
  .button-secondary,
  .button-ghost {
    width: 100%;
  }

  .button-row,
  .hero-actions,
  .inline-actions,
  .card-actions,
  .upload-actions,
  .usage-actions,
  .filter-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .notice {
    align-items: start;
  }

  .toast-region {
    inset: auto 0.5rem 0.5rem 0.5rem;
  }

  .toast {
    min-width: 0;
    max-width: none;
  }
}