/* ============================================================
   Sayou Fabric — Documentation Theme
   Sharp, technical, precision-tool aesthetic
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Color Tokens ───────────────────────────────────────── */

:root {
  --sf-accent:       #4f8ef7;
  --sf-accent-dim:   #3a75e0;
  --sf-accent-glow:  rgba(79, 142, 247, 0.12);
  --sf-accent-line:  rgba(79, 142, 247, 0.35);

  --md-primary-fg-color:        #4f8ef7;
  --md-primary-fg-color--light: #4f8ef7;
  --md-primary-fg-color--dark:  #4f8ef7;
  --md-accent-fg-color:         #4f8ef7;
}

[data-md-color-scheme="default"] {
  --md-default-bg-color:          #fafafa;
  --md-default-fg-color:          #0f1923;
  --md-default-fg-color--light:   #374151;
  --md-default-fg-color--lighter: #6b7280;
  --md-code-bg-color:             #f0f4f8;
  --md-code-fg-color:             #1e293b;
  --sf-surface:                   #ffffff;
  --sf-border:                    #e2e8f0;
  --sf-nav-bg:                    #ffffff;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color:          #13151f;
  --md-default-fg-color:          #e6edf3;
  --md-default-fg-color--light:   #b0bec5;
  --md-default-fg-color--lighter: #6e7f8d;
  --md-code-bg-color:             #161b22;
  --md-code-fg-color:             #e6edf3;
  --sf-surface:                   #161b22;
  --sf-border:                    #30363d;
  --sf-nav-bg:                    #0d1117;
}

/* ── Typography ─────────────────────────────────────────── */

.md-typeset {
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 0.8rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.md-typeset h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: var(--md-default-fg-color);
}

.md-typeset h2 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 2em;
  margin-bottom: 0.6em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--sf-border);
}

.md-typeset h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 1.5em;
}

.md-typeset code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.78em;
  font-weight: 500;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--md-code-bg-color);
  color: #2563eb;
  border: 1px solid var(--sf-border);
}

[data-md-color-scheme="slate"] .md-typeset code {
  color: #7eb3fa;
}

.md-typeset pre code {
  color: var(--md-code-fg-color);
  border: none;
  background: transparent;
  padding: 1rem 1.2rem;
  font-size: 0.8em;
  display: block;
}

/* ── Header ─────────────────────────────────────────────── */

.md-header {
  background: #2454c7 !important;
  border-bottom: none;
  box-shadow: none;
}

.md-header__title,
.md-header__button,
.md-header-nav__button {
  color: #ffffff !important;
}

.md-header__title {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.md-header__source {
  opacity: 0.75;
  transition: opacity 0.15s;
}

.md-header__source:hover {
  opacity: 1;
}

/* ── Navigation Tabs ────────────────────────────────────── */

/* Same color as header — unified bar */
.md-tabs {
  background: #2454c7 !important;
  border-bottom: none;
  /* Shadow only on the bottom edge, facing white content */
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.18);
}

.md-tabs__link {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.65) !important;
  transition: color 0.15s ease;
}

.md-tabs__link:hover,
.md-tabs__link--active {
  color: #ffffff !important;
  opacity: 1;
}

/* ── Search ─────────────────────────────────────────────── */

/* Fixed style — unaffected by light/dark mode */
.md-search__form {
  background: rgba(255, 255, 255, 0.15) !important;
  border-radius: 6px;
  border: none;
  box-shadow: none !important;
  transition: background 0.15s ease;
}

.md-search__form:hover,
.md-search__form:focus-within {
  background: rgba(255, 255, 255, 0.25) !important;
  box-shadow: none !important;
}

.md-search__input {
  color: #ffffff !important;
  font-size: 0.78rem;
}

.md-search__input::placeholder {
  color: rgba(255, 255, 255, 0.55) !important;
}

.md-search__icon {
  color: rgba(255, 255, 255, 0.7) !important;
}

/* ── Sidebar Navigation ─────────────────────────────────── */

.md-nav__title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--lighter);
  padding: 0.8rem 0.8rem 0.4rem;
}

.md-nav__link {
  font-size: 0.74rem;
  font-weight: 400;
  color: var(--md-default-fg-color--light);
  border-radius: 6px;
  padding: 0.22rem 0.8rem;
  line-height: 1.35;
  transition: all 0.12s ease;
}

.md-nav__item {
  padding: 0;
}

.md-nav__link:hover {
  color: var(--md-default-fg-color);
  background: var(--sf-accent-glow);
}

.md-nav__link--active {
  color: var(--sf-accent) !important;
  font-weight: 600;
  background: var(--sf-accent-glow);
  border-left: 2px solid var(--sf-accent);
  padding-left: calc(0.8rem - 2px);
}

/* ── TOC right sidebar ───────────────────────────────────── */

.md-nav--secondary .md-nav__link {
  font-size: 0.72rem;
  padding-top: 0.12rem;
  padding-bottom: 0.12rem;
  line-height: 1.3;
}

.md-nav--secondary .md-nav__item {
  padding: 0;
}

.md-nav--secondary .md-nav__link--active {
  color: var(--sf-accent) !important;
  font-weight: 600;
}

/* ── Code Blocks ────────────────────────────────────────── */

.md-typeset pre {
  border-radius: 6px;
  border: 1px solid var(--sf-border);
  overflow: hidden;
  margin: 1em 0;
}

.md-typeset .highlight {
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.md-typeset .highlight > .filename {
  background: var(--sf-surface);
  border-bottom: 1px solid var(--sf-border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--md-default-fg-color--lighter);
  padding: 0.3rem 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

/* Colored dot before language name */
.md-typeset .highlight > .filename::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sf-accent);
  opacity: 0.6;
  flex-shrink: 0;
}

/* Light mode title bar */
[data-md-color-scheme="default"] .md-typeset .highlight > .filename {
  background: #f0f4f8;
  border-bottom-color: #d0d7de;
}

/* Dark mode title bar */
[data-md-color-scheme="slate"] .md-typeset .highlight > .filename {
  background: #1a1f29;
  border-bottom-color: #30363d;
}

.md-typeset .highlight .hll {
  background: rgba(79, 142, 247, 0.08);
  display: block;
  margin: 0 -1.2rem;
  padding: 0 1.2rem;
}

.md-typeset .md-clipboard {
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.md-typeset .highlight:hover .md-clipboard {
  opacity: 1;
}

.md-typeset .md-clipboard:hover {
  color: var(--sf-accent);
}

[data-md-color-scheme="slate"] .md-typeset pre {
  background: #1c2128;
  border-color: #30363d;
}

[data-md-color-scheme="default"] .md-typeset pre {
  background: #f6f8fa;
  border-color: #d0d7de;
}

/* ── Admonitions ────────────────────────────────────────── */

.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
  border: 1px solid var(--sf-border);
  border-left: 3px solid;
  box-shadow: none;
  font-size: 0.82rem;
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-weight: 600;
  font-size: 0.8rem;
}

.md-typeset .admonition.note    { border-left-color: var(--sf-accent); }
.md-typeset .admonition.tip     { border-left-color: #f59e0b; }
.md-typeset .admonition.info    { border-left-color: var(--sf-accent); background: var(--sf-accent-glow); }
.md-typeset .admonition.warning { border-left-color: #ef4444; }

/* ── Tables ─────────────────────────────────────────────── */

.md-typeset table:not([class]) {
  border: 1px solid var(--sf-border);
  border-radius: 6px;
  overflow: hidden;
  font-size: 0.78rem;
}

.md-typeset table:not([class]) th {
  background: var(--sf-surface);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--lighter);
  border-bottom: 1px solid var(--sf-border);
  padding: 0.5rem 0.75rem;
}

.md-typeset table:not([class]) td {
  padding: 0.45rem 0.75rem;
}

.md-typeset table:not([class]) tr:hover td {
  background: var(--sf-accent-glow);
}

/* ── Buttons ────────────────────────────────────────────── */

.md-typeset .md-button {
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  border-radius: 5px;
  padding: 0.45em 1.1em;
  transition: all 0.15s ease;
  border: 1.5px solid transparent;
}

.md-typeset .md-button--primary {
  background: var(--sf-accent);
  color: #ffffff !important;
  border-color: var(--sf-accent);
}

.md-typeset .md-button--primary:hover {
  background: var(--sf-accent-dim);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--sf-accent-glow);
}

.md-typeset .md-button:not(.md-button--primary) {
  border-color: var(--sf-border);
  color: var(--md-default-fg-color) !important;
}

.md-typeset .md-button:not(.md-button--primary):hover {
  border-color: var(--sf-accent);
  color: var(--sf-accent) !important;
  background: var(--sf-accent-glow);
}

/* ── Hero Section ───────────────────────────────────────── */

.sf-hero {
  text-align: center;
  padding: 2.5rem 2rem 2rem;
  position: relative;
  overflow: hidden;
}

.sf-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--sf-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.sf-hero__title {
  font-size: 2.8rem !important;
  font-weight: 800 !important;
  letter-spacing: -0.04em !important;
  line-height: 1.1 !important;
  margin-bottom: 1rem !important;
  border-bottom: none !important;
}

.sf-hero__title span {
  color: var(--sf-accent);
}

[data-md-color-scheme="default"] .sf-hero__title span {
  color: #2563eb;
}

.sf-hero__subtitle {
  font-size: 0.92rem;
  color: var(--md-default-fg-color--light);
  max-width: 560px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
  font-weight: 400;
}

.sf-hero__badges {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

/* ── Feature Cards ──────────────────────────────────────── */

.sf-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.sf-card {
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 8px;
  padding: 1rem;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  text-decoration: none !important;
  display: block;
}

.sf-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--sf-accent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.sf-card:hover {
  border-color: var(--sf-accent-line);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.sf-card:hover::before {
  opacity: 1;
}

.sf-card__icon {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
  display: block;
}

.sf-card__title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--md-default-fg-color);
  margin-bottom: 0.3rem;
}

.sf-card__desc {
  font-size: 0.77rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.55;
}

/* ── Pipeline Steps ─────────────────────────────────────── */

.sf-pipeline {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 1.5rem 0;
  overflow-x: auto;
  padding: 1rem 0;
}

.sf-pipeline__step {
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 6px;
  padding: 0.4rem 0.85rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--md-default-fg-color);
  white-space: nowrap;
  text-decoration: none !important;
  transition: all 0.15s ease;
}

.sf-pipeline__step:hover {
  border-color: var(--sf-accent);
  color: var(--sf-accent);
  background: var(--sf-accent-glow);
}

.sf-pipeline__arrow {
  color: var(--md-default-fg-color--lighter);
  font-size: 0.8rem;
  padding: 0 0.3rem;
  flex-shrink: 0;
}

/* ── Status Badges ──────────────────────────────────────── */

.sf-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.03em;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  text-transform: uppercase;
}

.sf-badge--stable { background: rgba(79,142,247,0.12); color: #2563eb; border: 1px solid rgba(79,142,247,0.35); }
.sf-badge--beta   { background: rgba(251,191,36,0.15); color: #b45309; border: 1px solid rgba(251,191,36,0.4); }
.sf-badge--alpha  { background: rgba(99,102,241,0.12); color: #4338ca; border: 1px solid rgba(99,102,241,0.35); }
.sf-badge--wip    { background: rgba(239,68,68,0.10);  color: #dc2626; border: 1px solid rgba(239,68,68,0.3); }

[data-md-color-scheme="slate"] .sf-badge--stable { color: #7eb3fa; }
[data-md-color-scheme="slate"] .sf-badge--beta   { color: #f59e0b; }
[data-md-color-scheme="slate"] .sf-badge--alpha  { color: #818cf8; }
[data-md-color-scheme="slate"] .sf-badge--wip    { color: #f87171; }

/* ── Scrollbar (dark mode) ──────────────────────────────── */

[data-md-color-scheme="slate"] ::-webkit-scrollbar        { width: 6px; height: 6px; }
[data-md-color-scheme="slate"] ::-webkit-scrollbar-track  { background: #0d1117; }
[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb  { background: #30363d; border-radius: 3px; }
[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb:hover { background: var(--sf-accent); }

/* ── Footer ─────────────────────────────────────────────── */

.md-footer {
  background: #191f2a !important;
  border-top: none;
}

.md-footer-meta {
  background: #141920 !important;
  font-size: 0.72rem;
  opacity: 1;
}

.md-footer-meta__inner,
.md-footer-meta a,
.md-footer-copyright {
  color: rgba(255, 255, 255, 0.4) !important;
}

.md-footer-meta a:hover {
  color: rgba(255, 255, 255, 0.75) !important;
}

/* ── Content Tabs ───────────────────────────────────────── */

.md-typeset .tabbed-labels > label {
  font-size: 0.76rem;
  font-weight: 500;
}

.md-typeset .tabbed-labels > label:hover {
  color: var(--sf-accent);
}

/* ── Responsive ─────────────────────────────────────────── */

@media screen and (max-width: 76.1875em) {
  .sf-hero__title { font-size: 2.2rem !important; }
  .sf-cards { grid-template-columns: 1fr 1fr; }
}

@media screen and (max-width: 44.9375em) {
  .sf-hero { padding: 1.5rem 1rem; }
  .sf-hero__title { font-size: 1.6rem !important; }
  .sf-cards { grid-template-columns: 1fr; }
}