/* ===================================================================
   chrome.css — Header lockup + ribbon line + footer
   Spec ref: §5
   =================================================================== */

/* ---------- Header background (light + dark) ---------- */
.md-header {
  background-color: #ffffff;
  color: var(--flowlence-slate);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
[data-md-color-scheme="slate"] .md-header {
  background-color: var(--flowlence-slate);
  color: #f1f5f9;
}

/* ---------- The lockup (bgc | Flowlence Learn) ---------- */
.flowlence-lockup {
  display: flex !important;
  align-items: center;
  gap: 0.85rem;
  padding: 0;
  margin: 0;
  text-decoration: none;
  color: inherit;
  font-family: var(--font-display);
  line-height: 1;
}

/* The "bgc" stylized mark */
.flowlence-lockup__bgc {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  font-style: italic;
  letter-spacing: -0.05em;
  background: var(--ribbon-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

/* The vertical divider */
.flowlence-lockup__divider {
  display: inline-block;
  width: 1px;
  height: 22px;
  background: #cbd5e1;
}
[data-md-color-scheme="slate"] .flowlence-lockup__divider {
  background: #334155;
}

/* "Flowlence Learn" wordmark */
.flowlence-lockup__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--flowlence-slate);
}
[data-md-color-scheme="slate"] .flowlence-lockup__name {
  color: #f1f5f9;
}

/* ---------- The 3px ribbon line under the header ---------- */
.flowlence-ribbon-line {
  height: 3px;
  background: var(--ribbon-gradient);
}

/* ===================================================================
   Footer (continues from chrome.css above)
   =================================================================== */

.flowlence-footer {
  background: #FAFAF8;
  color: var(--flowlence-slate);
  padding: 0;
  margin-top: 3rem;
}
[data-md-color-scheme="slate"] .flowlence-footer {
  background: #1e293b;
  color: #f1f5f9;
}

.flowlence-footer__ribbon {
  height: 2px;
  background: var(--ribbon-gradient);
  opacity: 0.4;
}

.flowlence-footer__inner {
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.flowlence-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.95rem;
}
.flowlence-footer__brand .flowlence-lockup__bgc { font-size: 1.25rem; }

.flowlence-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.flowlence-footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748b;
  margin: 0 0 0.5rem;
}
[data-md-color-scheme="slate"] .flowlence-footer__col h4 {
  color: #94a3b8;
}

.flowlence-footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.flowlence-footer__col a {
  color: #334155;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.15s ease;
}
.flowlence-footer__col a:hover {
  color: var(--flowlence-orange);
}
[data-md-color-scheme="slate"] .flowlence-footer__col a {
  color: #cbd5e1;
}
[data-md-color-scheme="slate"] .flowlence-footer__col a:hover {
  color: var(--flowlence-orange-light);
}

.flowlence-footer__legal {
  border-top: 1px solid #e2e8f0;
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: #64748b;
}
[data-md-color-scheme="slate"] .flowlence-footer__legal {
  border-top-color: #334155;
  color: #94a3b8;
}

/* ---------- Mobile chrome adjustments ---------- */
@media (max-width: 600px) {
  .flowlence-lockup__bgc { font-size: 1.2rem; }
  .flowlence-lockup__name { font-size: 0.9rem; }
  .flowlence-lockup__divider { height: 18px; }
  .flowlence-footer__inner { padding: 1.5rem 1rem; }
  .flowlence-footer__cols { grid-template-columns: 1fr; gap: 1rem; }
  .flowlence-footer__legal { flex-direction: column; align-items: flex-start; }
}

/* ---------- Top nav tabs row · white instead of orange ---------- */
/* The ribbon gradient line ABOVE the tabs (in the header) stays — see .flowlence-ribbon-line.
   Only the .md-tabs row itself becomes white in light mode, slate in dark mode. */
.md-tabs {
  background-color: #ffffff;
  color: var(--flowlence-slate);
  border-bottom: 1px solid #e2e8f0;
}
.md-tabs__link {
  color: #475569;
  opacity: 1;
}
.md-tabs__link--active,
.md-tabs__link:hover {
  color: var(--flowlence-orange);
  font-weight: 700;
  opacity: 1;
}
[data-md-color-scheme="slate"] .md-tabs {
  background-color: var(--flowlence-slate);
  border-bottom-color: #334155;
}
[data-md-color-scheme="slate"] .md-tabs__link {
  color: #cbd5e1;
}
[data-md-color-scheme="slate"] .md-tabs__link--active,
[data-md-color-scheme="slate"] .md-tabs__link:hover {
  color: var(--flowlence-orange-light);
}

/* ---------- Left sidebar nav · slightly larger font ---------- */
.md-nav__link {
  font-size: 0.85rem;  /* up from Material's ~0.7rem default — easier to read */
}
.md-nav__title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}