/* ============================================================
   Twiga Forecast — PyData theme overrides
   Style: ArviZ-inspired light, Twiga teal palette
   Fonts: Poppins (headings) · Lato (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700&family=Lato:wght@300;400;700&display=swap');

/* ── Tokens ──────────────────────────────────────────────────────
   Palette aligned to Parrotech brand identity:
     Charcoal/Gunmetal  #263238  — primary dark
     Persian Green      #00bfa5  — primary turquoise accent
   --tw-teal (#0f718e) is kept darker for WCAG AA contrast on white.
   ─────────────────────────────────────────────────────────────── */
:root {
  --tw-teal:         #0f718e;   /* dark teal — headings/links, 4.6:1 on white */
  --tw-teal-mid:     #00bfa5;   /* Parrotech Persian Green — accents, icons, hover */
  --tw-teal-light:   #e0f8f4;   /* tint of #00bfa5 */
  --tw-teal-bg:      #f0fdf9;   /* near-white tint of #00bfa5 */
  --tw-charcoal:     #263238;   /* Parrotech Charcoal/Gunmetal */
  --tw-slate:        #455a64;   /* Blue Grey 600 — muted text */
  --tw-border:       #b3e8e0;   /* light border tinted toward #00bfa5 */
  --tw-surface:      #f5faf9;   /* off-white surface */
  --tw-white:        #ffffff;
  --tw-text:         #263238;   /* body text — Parrotech charcoal */

  --pst-color-primary:           var(--tw-teal);
  --pst-color-primary-highlight: var(--tw-teal-mid);
  --pst-color-link:              var(--tw-teal);
  --pst-color-link-hover:        var(--tw-teal-mid);
  --pst-color-inline-code:       var(--tw-teal);
  --pst-font-family-base:        'Lato', 'Helvetica Neue', Arial, sans-serif;
  --pst-font-family-heading:     'Poppins', 'Segoe UI', sans-serif;
  --pst-sidebar-primary-width:   240px;
}

html[data-theme="dark"] {
  --tw-teal:       #00bfa5;   /* Parrotech turquoise — good contrast on dark surfaces */
  --tw-teal-mid:   #00bfa5;
  --tw-teal-light: rgba(0,191,165,0.12);
  --tw-teal-bg:    rgba(0,191,165,0.08);
  --tw-border:     rgba(0,191,165,0.25);
  --tw-surface:    #1e2d32;   /* dark variant of Parrotech charcoal */
  --tw-text:       #d8eaee;
  --pst-color-primary:           var(--tw-teal);
  --pst-color-primary-highlight: var(--tw-teal-mid);
  --pst-color-link:              var(--tw-teal);
  --pst-color-link-hover:        var(--tw-teal-mid);
}

/* ── Base ────────────────────────────────────────────────────── */
body {
  font-family: 'Lato', 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tw-text);
}

h1, h2, h3, h4, h5 {
  font-family: 'Poppins', 'Segoe UI', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: 1.9rem; border-bottom: 3px solid var(--tw-teal); padding-bottom: 0.3em; margin-bottom: 0.8em; color: var(--tw-teal); }
h2 { font-size: 1.4rem;  border-bottom: 1px solid var(--tw-border); padding-bottom: 0.2em; margin-top: 2rem; color: var(--tw-teal); }
h3 { font-size: 1.1rem; color: var(--tw-teal-mid); }

a { color: var(--tw-teal); }
a:hover { color: var(--tw-teal-mid); }

/* ── Navbar ──────────────────────────────────────────────────── */
.bd-header {
  border-bottom: 2px solid var(--tw-teal) !important;
  box-shadow: 0 1px 4px rgba(15,113,142,0.08) !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

/* Tighten logo */
.navbar-brand img { max-height: 36px !important; }

/* Nav links — compact, uppercase, teal on hover */
.navbar-nav .nav-item { margin: 0 1px; }

.navbar-nav .nav-link {
  font-family: 'Lato', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tw-charcoal) !important;
  padding: 0.55rem 0.75rem !important;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
  box-shadow: none !important;
}

html[data-theme="dark"] .navbar-nav .nav-link { color: #d8eaee !important; }

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:active,
.navbar-nav .nav-item.active > .nav-link,
.navbar-nav .current > .nav-link {
  color: var(--tw-teal) !important;
  background-color: var(--tw-teal-light) !important;
  box-shadow: none !important;
}

.navbar-nav .nav-link:focus,
.navbar-nav .nav-link:focus-visible {
  color: var(--tw-teal) !important;
  background-color: var(--tw-teal-light) !important;
  outline: 2px solid var(--tw-teal) !important;
  outline-offset: 2px !important;
  box-shadow: none !important;
}

html[data-theme="dark"] .navbar-nav .nav-link:hover,
html[data-theme="dark"] .navbar-nav .nav-link:active,
html[data-theme="dark"] .navbar-nav .nav-link:focus,
html[data-theme="dark"] .navbar-nav .nav-link:focus-visible {
  background-color: var(--tw-teal-bg) !important;
  color: var(--tw-teal) !important;
  box-shadow: none !important;
}

/* Dropdown menu */
.dropdown-menu {
  border: 1px solid var(--tw-border) !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 16px rgba(15,113,142,0.12) !important;
  padding: 6px !important;
  min-width: 180px;
}

.dropdown-item {
  font-size: 0.85rem;
  font-family: 'Lato', sans-serif;
  border-radius: 4px;
  padding: 6px 12px !important;
  color: var(--tw-text) !important;
}

.dropdown-item:hover {
  background-color: var(--tw-teal-light) !important;
  color: var(--tw-teal) !important;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.bd-sidebar-primary {
  background-color: var(--tw-surface) !important;
  border-right: 1px solid var(--tw-border);
  font-size: 0.875rem;
}

.bd-sidebar-primary .nav-link {
  font-family: 'Lato', sans-serif;
  color: var(--tw-text);
  border-radius: 4px;
  padding: 3px 10px;
  transition: all 0.12s;
}

.bd-sidebar-primary .nav-link:hover {
  color: var(--tw-teal);
  background-color: var(--tw-teal-light) !important;
}

.bd-sidebar-primary .nav-link.active {
  color: var(--tw-teal) !important;
  background-color: var(--tw-teal-bg) !important;
  font-weight: 700;
  border-left: 3px solid var(--tw-teal);
}

.bd-sidebar-primary .caption-text {
  font-family: 'Poppins', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--tw-teal) !important;
  margin-top: 1rem;
  opacity: 0.85;
}

/* ── Content ─────────────────────────────────────────────────── */
.bd-content { max-width: 900px; }

/* Hide the RST-generated h1 on the landing page — the hero section serves this role.
   Sphinx still reads it for the <title> tag and toctree label. */
.bd-article-container:has(.tw-landing) h1:first-of-type,
section#twiga-forecast > h1:first-of-type {
  display: none;
}

/* Landing page — centered content wrapper */
.tw-landing,
section#twiga-forecast {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Override all width constraints on the landing page so the content
   can center itself with margin: 0 auto in the full viewport.
   Targets both .tw-landing (from raw HTML) and section#twiga-forecast
   (always present — generated by RST for the index heading). */
.bd-main .bd-content:has(.tw-landing),
.bd-main:has(.tw-landing) .bd-article-container,
.bd-content:has(.tw-landing),
.bd-page-width:has(.tw-landing),
.bd-container:has(.tw-landing),
.bd-main .bd-content:has(section#twiga-forecast),
.bd-main:has(section#twiga-forecast) .bd-article-container,
.bd-content:has(section#twiga-forecast),
.bd-page-width:has(section#twiga-forecast),
.bd-container:has(section#twiga-forecast) {
  max-width: none !important;
  padding: 0 !important;
  width: 100% !important;
}

.bd-article-container:has(.tw-landing) .bd-article,
.bd-article:has(.tw-landing),
.bd-article-container:has(section#twiga-forecast) .bd-article,
.bd-article:has(section#twiga-forecast) {
  max-width: none !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  width: 100% !important;
}

/* ── Code ────────────────────────────────────────────────────── */
pre {
  background-color: var(--tw-surface) !important;
  border-left: 4px solid var(--tw-teal);
  border-radius: 6px;
  font-size: 0.875rem;
}
html[data-theme="dark"] pre { background-color: #1a2a30 !important; }

code.literal, code.docutils {
  background-color: var(--tw-teal-bg);
  border: 1px solid var(--tw-border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.87em;
  color: var(--tw-teal);
}

/* ── Admonitions ─────────────────────────────────────────────── */
.admonition { border-radius: 6px; border-left-width: 4px; }
.admonition.note    { border-color: var(--tw-teal);   background: var(--tw-teal-bg); }
.admonition.tip     { border-color: #2e9e6b;           background: #f0faf4; }
.admonition.warning { border-color: #e07b39;           background: #fdf4ee; }
html[data-theme="dark"] .admonition.note    { background: var(--tw-teal-bg); }
html[data-theme="dark"] .admonition.tip     { background: rgba(46,158,107,0.1); }
html[data-theme="dark"] .admonition.warning { background: rgba(224,123,57,0.1); }

.admonition .admonition-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700; font-size: 0.82rem;
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* ── Tables ──────────────────────────────────────────────────── */
table.docutils {
  width: 100%; border-collapse: collapse; font-size: 0.9rem;
  border: 1px solid var(--tw-border); border-radius: 6px; overflow: hidden;
}
table.docutils th {
  background: var(--tw-teal); color: #fff;
  padding: 8px 14px; text-align: left;
  font-family: 'Poppins', sans-serif; font-weight: 600;
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em;
}
table.docutils td { padding: 7px 14px; border-bottom: 1px solid var(--tw-border); }
table.docutils tr:last-child td { border-bottom: none; }
table.docutils tr:nth-child(even) td { background: var(--tw-surface); }

/* ── sphinx-design cards ─────────────────────────────────────── */
.sd-card {
  background: var(--tw-white) !important;
  border: 1px solid var(--tw-border) !important;
  border-radius: 8px;
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.2s;
}
html[data-theme="dark"] .sd-card { background: var(--tw-surface) !important; }
.sd-card:hover {
  box-shadow: 0 4px 18px rgba(15,113,142,0.15);
  transform: translateY(-2px);
  border-color: var(--tw-teal) !important;
}
.sd-card-header {
  background: var(--tw-teal) !important;
  color: #fff !important;
  font-family: 'Poppins', sans-serif; font-weight: 600;
  border-radius: 7px 7px 0 0; padding: 10px 16px;
  border-bottom: none !important;
}
.sd-card-footer a {
  color: var(--tw-teal) !important; font-weight: 700;
  font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em;
}
.sd-badge {
  font-size: 0.72rem; font-weight: 700; padding: 2px 9px; border-radius: 12px;
  background: var(--tw-teal-bg) !important; color: var(--tw-teal) !important;
  border: 1px solid var(--tw-border);
}

/* ── API reference ───────────────────────────────────────────── */
dl.py.class > dt, dl.py.function > dt, dl.py.method > dt {
  background: var(--tw-teal-bg) !important;
  border-left: 4px solid var(--tw-teal);
  border-radius: 0 4px 4px 0;
  padding: 7px 14px; font-size: 0.92rem;
}

/* ── Footer ──────────────────────────────────────────────────── */
.bd-footer { border-top: 2px solid var(--tw-teal); font-size: 0.82rem; }

/* ════════════════════════════════════════════════════════════════
   LANDING PAGE
   ════════════════════════════════════════════════════════════════ */

/* Hero — two-column layout */
.tw-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3rem 0 2.5rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--tw-border);
}

@media (max-width: 900px) {
  .tw-hero { grid-template-columns: 1fr; }
  .tw-hero-right { display: none; }
}

.tw-hero-logo { height: 52px; margin-bottom: 1.2rem; display: block; }

.tw-hero-tagline {
  font-family: 'Lato', sans-serif;
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--tw-text);
  margin: 0 0 1.2rem;
}

.tw-hero-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 1.5rem; }

.tw-badge {
  display: inline-block;
  font-family: 'Lato', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  padding: 3px 10px; border-radius: 12px;
  background: var(--tw-teal-bg);
  color: var(--tw-teal);
  border: 1px solid var(--tw-border);
  letter-spacing: 0.04em;
}

.tw-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.tw-btn-primary {
  display: inline-block;
  font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 0.88rem;
  padding: 9px 22px; border-radius: 6px;
  background: var(--tw-teal); color: #fff !important;
  text-decoration: none !important;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: 0.02em;
}
.tw-btn-primary:hover { background: var(--tw-teal-mid); transform: translateY(-1px); }

.tw-btn-secondary {
  display: inline-block;
  font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 0.88rem;
  padding: 8px 22px; border-radius: 6px;
  background: transparent; color: var(--tw-teal) !important;
  border: 2px solid var(--tw-teal);
  text-decoration: none !important;
  transition: all 0.15s;
}
.tw-btn-secondary:hover {
  background: var(--tw-teal-light);
  transform: translateY(-1px);
}

/* Install + code snippet on the right */
.tw-hero-right { display: flex; flex-direction: column; gap: 12px; }

.tw-install-box {
  background: var(--tw-charcoal);
  border-radius: 8px;
  padding: 14px 18px;
  display: flex; align-items: center; gap: 14px;
}

.tw-install-label {
  font-family: 'Poppins', sans-serif; font-weight: 700;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--tw-teal-mid); white-space: nowrap;
}

.tw-install-code {
  margin: 0; padding: 0; background: transparent;
  border: none; border-left: none;
  font-size: 0.88rem; color: #a8d8e0;
  font-family: 'SFMono-Regular', 'Consolas', monospace;
}

.tw-code-snippet {
  background: var(--tw-charcoal);
  border-radius: 8px;
  padding: 16px 18px;
}

.tw-code-snippet pre {
  margin: 0; padding: 0;
  background: transparent !important; border: none;
  font-size: 0.83rem; color: #cfe8ec;
  line-height: 1.65;
  font-family: 'SFMono-Regular', 'Consolas', monospace;
}

.tw-code-snippet .kw { color: var(--tw-teal-mid); }
.tw-code-snippet .st { color: #a8d8e0; }

/* ════════════════════════════════════════════════════════════════
   FEATURE CARD GRID  (2-col static cards on landing page)
   ════════════════════════════════════════════════════════════════ */

.tw-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .tw-feature-grid { grid-template-columns: 1fr; }
}

.tw-fcard {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.4rem 1.4rem 1.1rem;
  background: var(--tw-white);
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.2s;
}

html[data-theme="dark"] .tw-fcard { background: var(--tw-surface); }

.tw-fcard:hover {
  box-shadow: 0 4px 20px rgba(15,113,142,0.12);
  transform: translateY(-2px);
  border-color: var(--tw-teal-mid);
}

.tw-fcard-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.tw-fcard-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--tw-teal);
  margin: 0;
  border: none !important;
  padding: 0 !important;
  line-height: 1.3;
}

.tw-fcard-body {
  font-size: 0.875rem;
  color: var(--tw-slate);
  line-height: 1.7;
  margin: 0;
  flex: 1;
}

html[data-theme="dark"] .tw-fcard-body { color: #8aabb4; }

.tw-fcard-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Lato', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--tw-teal) !important;
  text-decoration: none !important;
  margin-top: 0.25rem;
  transition: gap 0.15s, color 0.15s;
}

.tw-fcard-link:hover {
  color: var(--tw-teal-mid) !important;
  gap: 8px;
  text-decoration: none !important;
}

/* ── Accordion feature list (Why Twiga section) ── */
.tw-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

/* Strip browser default <details> marker */
.tw-feature { list-style: none; }
.tw-feature summary { list-style: none; }
.tw-feature summary::-webkit-details-marker { display: none; }

.tw-feature {
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  background: var(--tw-white);
  overflow: hidden;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

html[data-theme="dark"] .tw-feature { background: var(--tw-surface); }

.tw-feature[open] {
  border-color: var(--tw-teal-mid);
  box-shadow: 0 4px 18px rgba(6,159,172,0.10);
}

.tw-feature-summary {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  outline: none;
}

.tw-feature-summary:hover { background: rgba(6,159,172,0.04); }
html[data-theme="dark"] .tw-feature-summary:hover { background: rgba(6,159,172,0.08); }

/* Coloured icon dot */
.tw-feature-dot {
  flex-shrink: 0;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
}

/* Bold title */
.tw-feature-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.93rem;
  color: var(--tw-charcoal);
  white-space: nowrap;
  flex-shrink: 0;
}
html[data-theme="dark"] .tw-feature-title { color: var(--tw-text); }

/* Muted one-line teaser — grows to fill space */
.tw-feature-teaser {
  flex: 1;
  font-size: 0.84rem;
  color: var(--tw-slate);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
html[data-theme="dark"] .tw-feature-teaser { color: #8aabb4; }

/* Chevron icon — rotates when open */
.tw-feature-chevron {
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--tw-slate);
  transition: transform 0.22s ease;
}
.tw-feature[open] .tw-feature-chevron { transform: rotate(180deg); }

/* Expanded body */
.tw-feature-body {
  padding: 0 1.1rem 1rem 4.2rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--tw-slate);
  border-top: 1px solid var(--tw-border);
}
html[data-theme="dark"] .tw-feature-body { color: #8aabb4; }

.tw-feature-body p { margin: 0.75rem 0 0; }
.tw-feature-body code {
  font-size: 0.8rem;
  background: var(--tw-teal-light);
  color: var(--tw-teal);
  padding: 0.05em 0.35em;
  border-radius: 3px;
}

@media (max-width: 600px) {
  .tw-feature-teaser { display: none; }
  .tw-feature-body { padding-left: 1.1rem; }
}

/* Edit on GitHub button */
.bd-header-article a.btn { border-color: var(--tw-teal); color: var(--tw-teal); font-size: 0.82rem; }
.bd-header-article a.btn:hover { background: var(--tw-teal); color: #fff; }

/* Responsive */
@media (max-width: 768px) {
  .tw-hero { padding: 2rem 0; }
}

/* ════════════════════════════════════════════════════════════════
   WHY TWIGA  (core strengths strip on landing page)
   ════════════════════════════════════════════════════════════════ */

.tw-why {
  margin: 2.5rem 0 0.5rem;
}

.tw-why-lead {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--tw-slate);
  max-width: 780px;
  margin: 0 0 2rem;
  border-left: 3px solid var(--tw-teal);
  padding-left: 1rem;
}

html[data-theme="dark"] .tw-why-lead { color: #8aabb4; }


/* ════════════════════════════════════════════════════════════════
   NAV CARDS  (Bokeh-style section grid on landing page)
   ════════════════════════════════════════════════════════════════ */

.tw-nav-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 2.5rem 0;
}

@media (max-width: 960px) { .tw-nav-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .tw-nav-cards { grid-template-columns: 1fr; } }

.tw-nav-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.25rem 1.1rem;
  background: var(--tw-white);
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  text-decoration: none !important;
  color: var(--tw-text) !important;
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.2s;
}

html[data-theme="dark"] .tw-nav-card { background: var(--tw-surface); }

.tw-nav-card:hover {
  box-shadow: 0 4px 20px rgba(15,113,142,0.14);
  transform: translateY(-2px);
  border-color: var(--tw-teal);
  text-decoration: none !important;
}

.tw-nav-card-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  color: #fff;
}

.tw-nav-card-icon i {
  font-size: 1.45rem;
  line-height: 1;
  color: #fff;
}

.tw-nav-card-body { flex: 1; }

.tw-nav-card-body h3 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700; font-size: 0.97rem;
  margin: 0 0 0.35rem;
  color: var(--tw-teal);
}

.tw-nav-card-body p {
  font-size: 0.85rem;
  color: var(--tw-slate);
  line-height: 1.55; margin: 0;
}

html[data-theme="dark"] .tw-nav-card-body p { color: #8aabb4; }

/* ════════════════════════════════════════════════════════════════
   GALLERY PAGE
   ════════════════════════════════════════════════════════════════ */

/* Filter bar */
.tw-gallery-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.tw-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Lato', sans-serif;
  font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 16px;
  border-radius: 20px;
  border: 2px solid var(--tw-border);
  background: var(--tw-white);
  color: var(--tw-slate);
  cursor: pointer;
  transition: all 0.15s;
}

html[data-theme="dark"] .tw-filter { background: var(--tw-surface); color: #8aabb4; }

.tw-filter:hover {
  border-color: var(--tw-teal);
  color: var(--tw-teal);
  background: var(--tw-teal-light);
}

.tw-filter.active {
  background: var(--tw-teal);
  border-color: var(--tw-teal);
  color: #fff;
}

/* Colored dots on filter buttons */
.tw-filter-beginner     .bi-circle-fill { color: #2e7d32; font-size: 0.6rem; }
.tw-filter-intermediate .bi-circle-fill { color: #f57f17; font-size: 0.6rem; }
.tw-filter-advanced     .bi-circle-fill { color: #c62828; font-size: 0.6rem; }
.tw-filter.active .bi-circle-fill       { color: rgba(255,255,255,0.85); }

/* Gallery grid */
.tw-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
  margin-bottom: 3rem;
}

@media (max-width: 960px) { .tw-gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .tw-gallery { grid-template-columns: 1fr; } }

/* Card */
.tw-gallery-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none !important;
  color: var(--tw-text) !important;
  background: var(--tw-white);
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.2s;
}

html[data-theme="dark"] .tw-gallery-card { background: var(--tw-surface); }

.tw-gallery-card:hover {
  box-shadow: 0 6px 24px rgba(15,113,142,0.16);
  transform: translateY(-3px);
  border-color: var(--tw-teal);
  text-decoration: none !important;
}

/* Thumbnail gradient area */
.tw-gallery-thumb {
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  position: relative;
}

.tw-gallery-num {
  font-family: 'Poppins', sans-serif;
  font-weight: 700; font-size: 2rem;
  color: rgba(255,255,255,0.35);
  line-height: 1;
}

.tw-gallery-icon {
  font-size: 2rem;
  line-height: 1;
  color: rgba(255,255,255,0.9);
}

/* Card info section */
.tw-gallery-info {
  padding: 1rem 1rem 0.9rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.tw-gallery-info h4 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700; font-size: 0.92rem;
  margin: 0.2rem 0 0.25rem;
  color: var(--tw-teal);
  border: none; padding: 0;
}

.tw-gallery-info p {
  font-size: 0.82rem;
  color: var(--tw-slate);
  line-height: 1.5; margin: 0;
}

html[data-theme="dark"] .tw-gallery-info p { color: #8aabb4; }

/* Difficulty badges */
.tw-level {
  font-family: 'Lato', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 10px;
  width: fit-content;
}

.tw-level .bi-circle-fill { font-size: 0.5rem; }

.tw-level-beginner     { background: #e8f5e9; color: #2e7d32; }
.tw-level-intermediate { background: #fffde7; color: #f57f17; }
.tw-level-advanced     { background: #fce4ec; color: #c62828; }

html[data-theme="dark"] .tw-level-beginner     { background: rgba(46,125,50,0.2);  color: #81c784; }
html[data-theme="dark"] .tw-level-intermediate { background: rgba(245,127,23,0.2); color: #ffcc02; }
html[data-theme="dark"] .tw-level-advanced     { background: rgba(198,40,40,0.2);  color: #ef9a9a; }

/* ════════════════════════════════════════════════════════════════
   SUBSYSTEM GRADIENT HEADERS  (new — MLOps & overview cards)
   ════════════════════════════════════════════════════════════════ */

.tw-ovr-pipe  { background: linear-gradient(135deg, #0f718e, #069fac) !important; color: white !important; }
.tw-ovr-model { background: linear-gradient(135deg, #0a6480, #0f718e) !important; color: white !important; }
.tw-ovr-cv    { background: linear-gradient(135deg, #bf5500, #e07b39) !important; color: white !important; }
.tw-ovr-met   { background: linear-gradient(135deg, #3949ab, #5c6bc0) !important; color: white !important; }
.tw-ovr-conf  { background: linear-gradient(135deg, #1b5e20, #2e9e6b) !important; color: white !important; }
.tw-ovr-mlops { background: linear-gradient(135deg, #880e4f, #c2185b) !important; color: white !important; }

/* ════════════════════════════════════════════════════════════════
   OVERVIEW SUBSYSTEM CARDS  — responsive grid polish
   ════════════════════════════════════════════════════════════════ */

/* Equal-height cards in every row */
.sd-row .sd-card { height: 100%; display: flex; flex-direction: column; }
.sd-row .sd-card .sd-card-body { flex: 1; }

/* Tighten card body padding on narrow columns */
@media (max-width: 768px) {
  .sd-card-body { padding: 0.9rem 1rem !important; }
  .sd-card-header { padding: 8px 12px !important; }
  .sd-card-footer { padding: 8px 12px !important; }
}

/* Ensure bullet lists inside cards don't overflow */
.sd-card-body ul {
  padding-left: 1.2rem;
  margin: 0.4rem 0 0;
}
.sd-card-body li { font-size: 0.875rem; line-height: 1.6; }

/* Footer link — always visible at the bottom */
.sd-card-footer { margin-top: auto; border-top: 1px solid var(--tw-border) !important; }

/* ════════════════════════════════════════════════════════════════
   NAVBAR VERSION DROPDOWN  (Bokeh-style version indicator)
   ════════════════════════════════════════════════════════════════ */

.tw-version-wrapper {
  display: flex;
  align-items: center;
}

.tw-version-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--tw-border);
  border-radius: 6px;
  padding: 3px 10px;
  font-family: 'Lato', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--tw-charcoal) !important;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  white-space: nowrap;
}

.tw-version-btn:hover,
.tw-version-btn:focus,
.tw-version-btn.show {
  border-color: var(--tw-teal) !important;
  background: var(--tw-teal-light) !important;
  color: var(--tw-teal) !important;
  box-shadow: none !important;
}

html[data-theme="dark"] .tw-version-btn {
  color: var(--tw-text) !important;
  border-color: var(--tw-border);
}

html[data-theme="dark"] .tw-version-btn:hover,
html[data-theme="dark"] .tw-version-btn.show {
  background: var(--tw-teal-bg) !important;
  color: var(--tw-teal) !important;
}

.tw-version-label {
  font-size: 0.78rem;
}

.tw-alpha-pill {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--tw-teal-bg);
  color: var(--tw-teal);
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  padding: 1px 6px;
  line-height: 1.4;
}

.tw-version-btn.show .tw-alpha-pill,
.tw-version-btn:hover .tw-alpha-pill {
  background: rgba(15,113,142,0.15);
  border-color: var(--tw-teal);
}

.tw-version-menu {
  min-width: 270px;
  padding: 14px 16px !important;
  border: 1px solid var(--tw-border) !important;
  border-radius: 8px !important;
  box-shadow: 0 6px 24px rgba(15,113,142,0.13) !important;
  margin-top: 6px !important;
}

html[data-theme="dark"] .tw-version-menu {
  background: var(--tw-surface) !important;
  border-color: var(--tw-border) !important;
}

.tw-version-info p {
  font-size: 0.85rem;
  color: var(--tw-text);
  margin: 0 0 10px;
  line-height: 1.55;
}

.tw-version-changelog-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Lato', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--tw-teal) !important;
  text-decoration: none !important;
  letter-spacing: 0.02em;
}

.tw-version-changelog-link:hover {
  color: var(--tw-teal-mid) !important;
  text-decoration: underline !important;
}

/* ── Mermaid ─────────────────────────────────────────────────── */
.mermaid { text-align: center; margin: 1.5rem 0; }
.mermaid svg { max-width: 100% !important; height: auto !important; }

/* ════════════════════════════════════════════════════════════════
   BORROWED FROM BOKEH — brand-neutral polish
   ════════════════════════════════════════════════════════════════ */

/* Ligatures cause bad kerning in technical names — disable globally */
* { font-variant-ligatures: none; }

/* Hide the auto-generated sidebar section title — Twiga caption-text already
   handles section labels via .bd-sidebar-primary .caption-text */
.bd-links__title { display: none; }

/* sphinx-design card rows — add vertical breathing room between rows */
.sd-row { --sd-gutter-y: 1.5em; }

/* API reference — lighter weight signatures are easier to scan */
.class .sig,
.function .sig,
.sig .property { font-weight: 400; }

/* Optional image border class for screenshots in notebooks/guides.
   Shadow uses Twiga teal tint instead of Bokeh's neutral grey. */
img.image-border {
  border: 1px solid var(--tw-border);
  margin-bottom: 1.15rem;
  border-radius: 4px;
  box-shadow: 1px 2px 6px rgba(15,113,142,0.12);
}

/* ════════════════════════════════════════════════════════════════
   PANDAS DATAFRAME  (notebook output tables)
   Adapted from Bokeh/nbsphinx — colors remapped to Twiga tokens.
   ════════════════════════════════════════════════════════════════ */

.dataframe {
  max-width: 100%;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

table.dataframe {
  border: none !important;
  border-collapse: collapse;
  border-spacing: 0;
  font-size: 12px;
  table-layout: fixed;
  color: var(--tw-text);
}

table.dataframe thead {
  border-bottom: 2px solid var(--tw-teal);
  vertical-align: bottom;
}

table.dataframe tr,
table.dataframe th,
table.dataframe td {
  text-align: right;
  vertical-align: middle;
  padding: 0.45em 0.6em;
  line-height: normal;
  white-space: normal;
  max-width: none;
  border: none;
}

table.dataframe th {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  color: var(--tw-teal);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

table.dataframe tbody tr:nth-child(odd) {
  background: var(--tw-surface);
}

table.dataframe tbody tr:hover {
  background: var(--tw-teal-light);
}

html[data-theme="dark"] table.dataframe {
  color: var(--tw-text);
}

html[data-theme="dark"] table.dataframe thead {
  border-bottom-color: var(--tw-teal);
}

html[data-theme="dark"] table.dataframe tbody tr:nth-child(odd) {
  background: rgba(255,255,255,0.04);
}

html[data-theme="dark"] table.dataframe tbody tr:hover {
  background: var(--tw-teal-bg);
}

/* ── Contributors section ────────────────────────────────────────── */
.tw-contributors {
  margin: 3rem 0 1rem;
  text-align: center;
}

.tw-section-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--tw-teal);
  margin: 0 0 0.4rem;
}

.tw-contributors-lead {
  font-size: 0.95rem;
  color: var(--tw-slate);
  margin: 0 0 1.5rem;
}

html[data-theme="dark"] .tw-contributors-lead { color: #8aabb4; }

.tw-contributor-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

.tw-contributor-card a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  background: var(--pst-color-background);
  border: 1px solid var(--pst-color-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  width: 140px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.tw-contributor-card a:hover {
  box-shadow: 0 4px 16px rgba(15,113,142,0.18);
  transform: translateY(-3px);
}

html[data-theme="dark"] .tw-contributor-card a {
  background: var(--tw-surface);
  border-color: rgba(255,255,255,0.08);
}

.tw-contributor-card img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--tw-teal);
}

.tw-contributor-name {
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tw-dark);
  text-align: center;
}

html[data-theme="dark"] .tw-contributor-name { color: var(--tw-text); }

.tw-contributor-role {
  font-size: 0.72rem;
  color: var(--tw-slate);
  text-align: center;
  line-height: 1.4;
}

html[data-theme="dark"] .tw-contributor-role { color: #8aabb4; }