:root {
  color-scheme: light;
  --bg-top: rgba(255, 225, 191, 0.6);
  --bg-left: rgba(170, 219, 255, 0.38);
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(247, 250, 252, 0.96);
  --surface-code: #13263a;
  --text: #102033;
  --muted: #59708a;
  --border: rgba(191, 206, 223, 0.8);
  --accent: #c15d3f;
  --accent-dark: #9e4a31;
  --shadow: 0 24px 60px rgba(23, 50, 77, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at top right, var(--bg-top), transparent 32%),
    radial-gradient(circle at left 18%, var(--bg-left), transparent 28%),
    linear-gradient(180deg, #fff9f0 0%, #f5fbff 55%, #eef4fb 100%);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -0.02em;
}

p,
button,
input,
select,
code,
pre,
td,
th,
span,
strong {
  font: inherit;
}

code,
pre {
  font-family: "IBM Plex Mono", "Courier New", monospace;
}

.shell {
  padding: 2rem 1.25rem 3.5rem;
}

.hero,
.layout {
  margin: 0 auto;
  max-width: 1440px;
}

.hero {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1.8fr) minmax(320px, 0.95fr);
  margin-bottom: 1.5rem;
}

.hero-card,
.panel {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.badge,
.meta-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge {
  margin-bottom: 1rem;
  background: #102033;
  color: #fff;
  padding: 0.35rem 0.65rem;
}

.meta-pill {
  background: #102033;
  color: #fff;
  padding: 0.3rem 0.65rem;
}

.meta-pill.light {
  background: #edf4fa;
  border: 1px solid rgba(20, 50, 79, 0.08);
  color: #14324f;
}

.hero-main h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin-bottom: 0.85rem;
}

.hero-main p,
.panel-header p,
.log-panel p,
.feature {
  color: var(--muted);
  line-height: 1.6;
}

.feature-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1.25rem 0;
}

.feature {
  padding: 0.95rem 1rem;
  border: 1px solid #d9e2ec;
  border-radius: 16px;
  background: rgba(245, 247, 251, 0.92);
}

.feature strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--text);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 0.72rem 1.1rem;
  text-decoration: none;
}

.btn.secondary {
  background: transparent;
  border: 1px solid #c7d4e2;
  color: var(--text);
}

.hero-setup {
  display: grid;
  gap: 1rem;
}

.step {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: auto minmax(0, 1fr);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  background: #0c73b8;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero-setup pre,
.code {
  margin: 0.55rem 0 0;
  padding: 0.95rem 1rem;
  overflow: auto;
  border-radius: 14px;
  background: var(--surface-code);
  color: #edf4fb;
  font-size: 0.83rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.layout {
  display: grid;
  align-items: start;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1fr) 320px;
}

.panels {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.example-explorer {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  min-width: 0;
}

.demo-nav {
  position: sticky;
  top: 1.2rem;
  display: grid;
  gap: 0.9rem;
  align-self: start;
}

.demo-group {
  padding: 1rem;
  border: 1px solid #d9e2ec;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff 0%, #f7fafc 100%);
}

.demo-group h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.demo-list {
  display: grid;
  gap: 0.5rem;
}

.demo-link {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(16, 32, 51, 0.1);
  border-radius: 12px;
  background: #fff;
  color: #14324f;
  cursor: pointer;
  text-align: left;
  transition: background-color 120ms ease, color 120ms ease, transform 120ms ease;
}

.demo-link:hover,
.demo-link:focus-visible {
  background: #f1f6fb;
  outline: none;
}

.demo-link.active {
  background: #102033;
  border-color: transparent;
  color: #fff;
  transform: translateY(-1px);
}

.demo-stage {
  min-width: 0;
  padding: 1.1rem;
  border: 1px solid #d9e2ec;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff 0%, #f7fafc 100%);
}

.demo-stage-header {
  display: grid;
  gap: 0.5rem;
}

.demo-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.demo-stack {
  display: grid;
  gap: 0.95rem;
}

.controls-card {
  padding: 1rem;
  border: 1px solid rgba(16, 32, 51, 0.08);
  border-radius: 16px;
  background: #fff;
}

.controls-card h4 {
  margin-bottom: 0.85rem;
}

.control-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.field input,
.field select {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 0.75rem 0.9rem;
  border: 1px solid #c8d5e3;
  border-radius: 12px;
  background: #fff;
  color: var(--text);
}

.results-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-card {
  padding: 1rem;
  border: 1px solid rgba(16, 32, 51, 0.08);
  border-radius: 16px;
  background: #fff;
}

.result-card strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.result-card span {
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.6;
  word-break: break-word;
}

.result-card.good {
  background: rgba(32, 128, 79, 0.05);
  border-color: rgba(32, 128, 79, 0.18);
}

.result-card.warn {
  background: rgba(180, 35, 24, 0.06);
  border-color: rgba(180, 35, 24, 0.18);
}

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

.ref-card {
  padding: 1rem;
  border: 1px solid #d9e2ec;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.ref-card h4 {
  margin-bottom: 0.75rem;
}

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

.api-table th,
.api-table td {
  padding: 0.7rem 0;
  border-bottom: 1px solid #d9e2ec;
  text-align: left;
  vertical-align: top;
}

.api-table th {
  color: var(--muted);
  font-size: 0.82rem;
}

.sidebar {
  min-width: 0;
}

.log-panel {
  position: sticky;
  top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-height: calc(100vh - 2.4rem);
  overflow: hidden;
}

.log-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.log-list {
  display: grid;
  gap: 0.55rem;
  max-height: calc(100vh - 18rem);
  overflow-y: auto;
}

.log-entry,
.api-row {
  padding: 0.8rem 0.9rem;
  border: 1px solid #d9e2ec;
  border-radius: 12px;
  background: rgba(245, 247, 251, 0.96);
}

.clear-btn {
  min-height: 40px;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(16, 32, 51, 0.14);
  border-radius: 999px;
  background: #fff;
  color: #14324f;
  cursor: pointer;
  font-weight: 600;
}

.clear-btn:hover,
.clear-btn:focus-visible {
  background: #eff6fc;
  outline: none;
}

.release-card {
  display: grid;
  gap: 0.65rem;
}

.api-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.api-row strong {
  color: var(--muted);
  font-size: 0.78rem;
}

@media (max-width: 1200px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .log-panel,
  .demo-nav {
    position: static;
    max-height: none;
  }

  .log-list {
    max-height: 22rem;
  }
}

@media (max-width: 980px) {
  .hero,
  .example-explorer,
  .ref-grid,
  .results-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .shell {
    padding: 1rem 0.75rem 2rem;
  }

  .hero-card,
  .panel,
  .demo-stage,
  .demo-group {
    border-radius: 20px;
  }

  .hero-card,
  .panel {
    padding: 1.1rem;
  }

  .hero-main h1 {
    font-size: clamp(2rem, 10vw, 2.9rem);
  }

  .cta-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}


/* stackline-docs-refresh-2026 */
:root {
  --bg: #f5f7fb;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --text: #212121;
  --muted: #616161;
  --line: rgba(63, 81, 181, 0.14);
  --brand: #3f51b5;
  --brand-soft: #e8eaf6;
  --shadow: 0 1px 2px rgba(33, 33, 33, 0.12), 0 18px 44px rgba(63, 81, 181, 0.08);
  --bg-top: rgba(63, 81, 181, 0.14);
  --bg-left: rgba(23, 50, 77, 0.08);
  --border: rgba(63, 81, 181, 0.14);
  --accent: #3f51b5;
  --accent-dark: #303f9f;
  --site-bg: #f5f7fb;
  --site-panel: rgba(255, 255, 255, 0.9);
  --site-panel-strong: rgba(255, 255, 255, 0.96);
  --site-border: rgba(63, 81, 181, 0.14);
  --site-border-strong: rgba(63, 81, 181, 0.22);
  --site-text: #212121;
  --site-muted: #616161;
  --site-accent: #3f51b5;
  --site-accent-strong: #5c6bc0;
  --site-shadow: 0 1px 2px rgba(33, 33, 33, 0.12), 0 18px 44px rgba(63, 81, 181, 0.08);
}

body {
  background:
    radial-gradient(circle at top right, rgba(63, 81, 181, 0.14), transparent 28%),
    radial-gradient(circle at left 18%, rgba(23, 50, 77, 0.08), transparent 26%),
    linear-gradient(180deg, #f8f9fc 0%, #f5f7fb 44%, #eef2f8 100%);
  color: #212121;
}

.sidebar,
.panel,
.playground,
.hero,
.preview-card,
.preview-meta,
.snippet,
.gallery-card,
.example-card,
.page-section,
.playground-controls,
.playground-preview,
.tip-card,
.feature-card,
.comparison-card,
.api-card,
.controls-card,
.demo-card,
.ref-card,
.result-card {
  border-color: rgba(63, 81, 181, 0.14);
  box-shadow: 0 1px 2px rgba(33, 33, 33, 0.12), 0 18px 44px rgba(63, 81, 181, 0.08);
}

.hero,
.playground,
.preview-card,
.preview-meta,
.snippet,
.gallery-card,
.example-card,
.page-section,
.playground-controls,
.playground-preview,
.tip-card,
.feature-card,
.comparison-card,
.api-card,
.controls-card,
.demo-card,
.ref-card,
.result-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 244, 251, 0.94));
}

.eyebrow,
.page-eyebrow,
.badge,
.status-pill,
.status-badge,
.hero__meta span,
.hero-points span,
.demo-chip,
.demo-surface__phase {
  background: #e8eaf6;
  color: #3f51b5;
  border-color: rgba(63, 81, 181, 0.22);
}

.button,
.button-primary,
.btn,
.button--secondary,
.button-secondary {
  border-color: rgba(63, 81, 181, 0.14);
}

.button,
.button-primary,
.btn:not(.secondary) {
  background: linear-gradient(135deg, #3f51b5, #5c6bc0);
  color: #ffffff;
}

.button--secondary,
.button-secondary,
.btn.secondary,
.copy-button,
.clear-btn {
  color: #17324d;
}

pre,
.code-block,
.code-block pre {
  background: #1f2438;
  color: #eef3ff;
}

@media (max-width: 720px) {
  .hero-actions,
  .playground-actions,
  .hero__meta,
  .actions,
  .demo-surface__bar,
  .demo-surface__footer {
    flex-direction: column;
    align-items: stretch;
  }

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

/* stackline-docs-wrap-fix-2026 */
.hero-main h1,
.hero h1,
.page-header h1,
.docs-hero h1,
article h1:first-child {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.02;
}

.hero-card,
.panel,
.sidebar-card,
.demo-card,
.preview-frame,
.surface-card,
.table-shell,
.install-card,
.copy-card,
.card-shell,
.showcase-card,
.docs-card,
.docs-panel {
  min-width: 0;
}

.badge,
.hero-badge,
.version-pill,
.release-pill {
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
}

@media (max-width: 640px) {
  .hero-main h1,
  .hero h1,
  .page-header h1,
  .docs-hero h1,
  article h1:first-child {
    font-size: clamp(2rem, 11vw, 3.15rem);
  }
}

/* stackline-docs-mobile-title-fix-2026 */
@media (max-width: 640px) {
  .hero-main h1,
  .hero h1,
  .page-header h1,
  .docs-hero h1,
  article h1:first-child {
    font-size: clamp(1.7rem, 8vw, 2.65rem) !important;
    line-height: 0.98 !important;
    letter-spacing: -0.035em !important;
    word-break: break-all;
  }
}


/* stackline-docs-mobile-layout-fix-2026 */
.hero-main h1,
.hero-main h2,
.hero-card h1,
.hero-card h2,
.hero h1,
.hero h2,
.page-header h1,
.page-header h2,
.docs-hero h1,
.docs-hero h2,
article h1:first-child,
article h2:first-child {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.layout,
.docs-layout,
.hero,
.hero-grid,
.content-grid,
.playground-shell,
.playground__grid,
.example-shell,
.example-explorer,
.quickstart-grid,
.workbench-grid,
.release-links,
.cta-row,
.controls,
.hero-actions,
.inline-actions,
.playground-actions,
.playground-preview-tabs,
.field,
.field.two-up,
.sidebar,
.sidebar-card,
.panel,
.demo-card,
.playground-card,
.playground-controls,
.playground-preview,
.result-card,
.controls-card,
.release-card,
.api-card,
.preview-card,
.example-stage,
.demo-stage,
.docs-panel,
.docs-card,
.table-shell,
.surface-card,
.copy-card,
.install-card,
.card-shell,
.hero-copy,
.hero-setup {
  min-width: 0;
}

.badge,
.hero-badge,
.version-pill,
.release-pill,
.meta-pill,
.release-link {
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
}

pre,
.code,
.code-block,
.code-preview,
.snippet pre,
.code-card pre {
  max-width: 100%;
}

@media (max-width: 760px) {
  .release-links,
  .cta-row,
  .controls,
  .hero-actions,
  .inline-actions,
  .playground-actions,
  .toolbar,
  .example-stage-header,
  .playground-preview-tabs {
    display: grid !important;
    grid-template-columns: 1fr !important;
    align-items: stretch;
  }

  .release-link,
  .btn,
  .button,
  .ghost-button,
  button,
  .copy-button,
  .clear-btn {
    width: 100%;
  }

  .playground-shell,
  .playground__grid,
  .example-shell,
  .example-explorer,
  .quickstart-grid,
  .workbench-grid,
  .demo-grid,
  .api-grid,
  .feature-grid,
  .results-grid,
  .control-grid,
  .toggle-grid,
  .meta-grid,
  .page-grid,
  .surface-card-grid,
  .hero-grid,
  .content-grid,
  .layout,
  .docs-layout,
  .hero {
    grid-template-columns: 1fr !important;
  }

  .field.two-up,
  .playground-table-head,
  .playground-table-row,
  .table-head,
  .table-row {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 640px) {
  .hero-main h1,
  .hero-main h2,
  .hero-card h1,
  .hero-card h2,
  .hero h1,
  .hero h2,
  .page-header h1,
  .page-header h2,
  .docs-hero h1,
  .docs-hero h2,
  article h1:first-child,
  article h2:first-child {
    font-size: clamp(1.55rem, 7vw, 2.35rem) !important;
    line-height: 1.03 !important;
    letter-spacing: -0.03em !important;
  }

  .app-shell,
  .shell,
  .docs-page,
  .page-shell,
  #app,
  .docs-shell {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }

  .hero-card,
  .panel,
  .log-panel,
  .sidebar-card,
  .demo-card,
  .ref-card,
  .release-card,
  .demo-stage,
  .example-stage,
  .playground-controls,
  .playground-preview,
  .api-card,
  .preview-card,
  .surface-card,
  .table-shell,
  .docs-card,
  .docs-panel {
    padding: 18px !important;
    border-radius: 22px;
  }

  .badge,
  .hero-badge,
  .version-pill,
  .release-pill,
  .meta-pill,
  .release-link {
    width: 100%;
    justify-content: center;
  }

  pre,
  .code,
  .code-block,
  .code-preview {
    font-size: 12px;
  }
}