/* ==========================================================================
   layout.css — Siberforge shared header, two-tier nav, footer.
   Loaded after tokens.css on every dashboard page. The landing page (/index.html)
   uses its own editorial nav and bypasses these rules.
   ========================================================================== */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
}

/* ==========================================================================
   Sticky header (.sf-top mirrors legacy .top)
   ========================================================================== */
.sf-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(19, 23, 28, 0.78);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  transition: box-shadow var(--t-slow) var(--ease-out), background var(--t-slow) var(--ease-out);
}
.sf-top.scrolled {
  background: rgba(19, 23, 28, 0.92);
  box-shadow: 0 1px 0 rgba(0,0,0,0.4), 0 4px 14px rgba(0,0,0,0.4);
}
:root[data-theme="light"] .sf-top {
  background: rgba(255, 255, 255, 0.85);
}
:root[data-theme="light"] .sf-top.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08), 0 4px 14px rgba(0,0,0,0.05);
}

.sf-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sf-home-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 18px;
  line-height: 1;
  padding: 1px 4px;
  border-radius: var(--r-sm);
  transition: color var(--t-med), background-color var(--t-med);
}
.sf-home-link:hover {
  color: var(--accent);
  background: var(--panel-2);
}

.sf-mark {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: 18px;
  color: var(--text);
}
.sf-brand-eyes {
  width: 36px;
  height: 16px;
  flex: 0 0 36px;
}
.sf-mark .sf-siber { color: var(--text); }
.sf-mark .sf-forge { color: var(--brand-red); }
.sf-sub {
  color: var(--muted);
  margin-left: 14px;
  font-size: 13px;
}

.sf-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: var(--fs-sm);
}
.sf-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  transition: background-color var(--t-slow);
}
.sf-dot.live  { background: var(--green); box-shadow: 0 0 8px rgba(62, 207, 142, .7); }
.sf-dot.stale { background: var(--accent); }
.sf-dot.error { background: var(--red); }

/* Legacy class compatibility — pages that still reference these get the same look.
   Allows incremental migration: a page can drop its inline header and still have
   any leftover .top / .dot / .brand selectors render correctly. */
.top         { /* alias of .sf-top */ }
.brand .mark { /* alias of .sf-mark */ }

/* ==========================================================================
   Two-tier deep-dive nav (.sf-nav)
   Tier 1: section-tabs (Equity / Macro / AI / Supply Chain / Tools / Reference)
   Tier 2: section-pages — sub-pages within active section
   ========================================================================== */
.sf-nav {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: sticky;
  top: 53px;
  z-index: var(--z-nav);
  font-size: var(--fs-sm);
}

.sf-nav-tabs {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 8px 24px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
}
.sf-nav-tab {
  color: var(--muted);
  text-decoration: none;
  font-size: 11.5px;
  letter-spacing: 1.4px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--t-med), border-color var(--t-med);
  white-space: nowrap;
}
.sf-nav-tab:hover { color: var(--text); }
.sf-nav-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.sf-nav-tabs .theme-toggle { margin-left: auto; }

.sf-nav-pages {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-1);
  padding: 10px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.sf-nav-label {
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 10.5px;
  font-weight: 600;
  margin-right: 14px;
  white-space: nowrap;
}

.sf-nav-section-label {
  color: var(--accent);
  letter-spacing: 1.0px;
  text-transform: uppercase;
  font-size: 10.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--r-md);
  background: rgba(247, 167, 0, 0.08);
  border: 1px solid rgba(247, 167, 0, 0.22);
  margin: 0 6px 0 2px;
  white-space: nowrap;
}

.sf-nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: color var(--t-med), background-color var(--t-med), border-color var(--t-med);
  font-size: var(--fs-sm);
}
.sf-nav-link:hover {
  color: var(--text);
  background: var(--panel-2);
}
.sf-nav-link.active {
  color: var(--accent);
  background: rgba(247, 167, 0, 0.10);
  border-color: rgba(247, 167, 0, 0.30);
  font-weight: 600;
}

/* Master/sub grouping (used by Macro Regime section) */
.sf-nav-group {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.sf-nav-group--master {
  background: rgba(247, 167, 0, 0.05);
  border: 1px solid rgba(247, 167, 0, 0.18);
  border-radius: var(--r-lg);
  padding: 3px 6px;
}
.sf-nav-link--master {
  font-weight: 700;
  letter-spacing: 0.4px;
  background: rgba(247, 167, 0, 0.14);
  border: 1px solid rgba(247, 167, 0, 0.40);
  color: var(--accent);
  font-size: 12.5px;
  padding: 6px 14px;
}
.sf-nav-link--master:hover {
  background: rgba(247, 167, 0, 0.22);
  color: var(--accent);
}
.sf-nav-link--master.active {
  background: var(--accent);
  color: #13171c;
  border-color: var(--accent);
}
.sf-nav-tree {
  color: rgba(247, 167, 0, 0.55);
  font-size: 14px;
  font-weight: 700;
  margin: 0 2px;
  user-select: none;
}
.sf-nav-link--sub {
  font-size: 11.5px;
  color: var(--muted);
}
.sf-nav-link--sub.active {
  color: var(--accent);
  background: rgba(247, 167, 0, 0.12);
  border-color: rgba(247, 167, 0, 0.32);
  font-weight: 700;
}
.sf-nav-divider {
  display: inline-block;
  width: 1px;
  height: 22px;
  background: var(--line);
  margin: 0 8px;
}

@media (max-width: 1100px) {
  .sf-nav-group--master { padding: 2px 4px; }
  .sf-nav-tree { display: none; }
}
@media (max-width: 800px) {
  .sf-nav-tabs { gap: 12px; padding: 6px 12px; }
  .sf-nav-tab  { font-size: 10.5px; letter-spacing: 1px; }
  .sf-nav-pages { padding: 8px 12px; }
  .sf-nav-label { display: none; }
  .sf-nav-link { padding: 5px 8px; font-size: 11px; }
  .sf-nav-link--master { padding: 5px 10px; font-size: 11.5px; }
  .sf-nav-link--sub { font-size: 11px; }
  .sf-nav-divider { margin: 0 4px; height: 16px; }
}

/* ==========================================================================
   Theme toggle button (used inside header status row OR section tabs)
   ========================================================================== */
.theme-toggle {
  background: var(--panel-2);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 4px 9px;
  font-size: var(--fs-sm);
  cursor: pointer;
  font-family: inherit;
  margin-left: 8px;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
  line-height: 1;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ==========================================================================
   Page chrome — main, h1, eyebrow shared by every dashboard page
   ========================================================================== */
main {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}
.page-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 0 0 8px;
}
.page-sub {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
  margin: 0 0 20px;
  max-width: 820px;
}
.eyebrow {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(247, 167, 0, 0.14);
  padding: 2px 7px;
  border-radius: var(--r-sm);
  margin-bottom: 8px;
}
:root[data-theme="light"] .eyebrow {
  background: rgba(181, 103, 0, 0.14);
}