:root {
  --gnav-w: 56px;
  --gnav-open-w: 236px;
  --gnav-ink: #211d17;
  --gnav-muted: #786e60;
  --gnav-faint: #9b9182;
  --gnav-line: #e2dccd;
  --gnav-paper: #fbf9f3;
  --gnav-accent: #0f766e;
}

body {
  padding-left: var(--gnav-w);
}

.gnav {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 1600;
  width: var(--gnav-w);
  background: var(--gnav-paper);
  border-right: 1px solid var(--gnav-line);
  color: var(--gnav-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  transition: width .18s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 16px rgba(50, 40, 25, .04);
}
.gnav.open { width: var(--gnav-open-w); }

.gnav-toggle {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border: 1px solid var(--gnav-line);
  border-radius: 8px;
  background: #fffdf8;
  color: var(--gnav-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
}
.gnav-toggle:hover { color: var(--gnav-ink); border-color: #c9bfae; }
.gnav-toggle:focus-visible { outline: 2px solid var(--gnav-accent); outline-offset: 2px; }
.gnav-toggle svg { width: 14px; height: 14px; transition: transform .18s ease; }
.gnav.open .gnav-toggle svg { transform: rotate(180deg); }

.gnav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 54px 14px 12px;
  color: var(--gnav-ink);
  text-decoration: none;
  min-height: 88px;
  box-sizing: border-box;
}
.gnav-mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  flex: 0 0 auto;
  background: linear-gradient(135deg, #0f766e 0 48%, #b45309 52% 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.brandtext {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 14px;
  line-height: 1.15;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.gnav:not(.open) .brandtext { display: none; }

.gnav-nav {
  padding: 4px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}
.gnav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 40px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--gnav-muted);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
}
.gnav-link:hover { background: #f1ede4; color: var(--gnav-ink); }
.gnav-link:focus-visible { outline: 2px solid var(--gnav-accent); outline-offset: 1px; }
.gnav-link.active {
  background: #e2f1ed;
  color: var(--gnav-accent);
  border-color: #cfe4da;
  font-weight: 650;
}
.gnav-ico {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gnav-ico svg { width: 18px; height: 18px; }
.gnav-label { font-size: 12.5px; line-height: 1.2; }
.gnav:not(.open) .gnav-link { justify-content: center; padding-left: 0; padding-right: 0; }
.gnav:not(.open) .gnav-label { display: none; }

.gnav-foot {
  border-top: 1px solid var(--gnav-line);
  padding: 11px 14px;
  color: var(--gnav-faint);
  font-size: 9.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 700;
  white-space: nowrap;
}
.gnav:not(.open) .gnav-foot { display: none; }

.gnav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(20, 16, 10, .18);
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s ease, visibility .18s ease;
}
body.gnav-open .gnav-backdrop { opacity: 1; visibility: visible; }

@media (max-width: 700px) {
  :root { --gnav-w: 46px; --gnav-open-w: 220px; }
  .gnav-brand { padding-left: 10px; padding-right: 10px; }
  .gnav-mark { width: 24px; height: 24px; }
  .gnav-nav { padding-left: 6px; padding-right: 6px; }
  .gnav-link { gap: 10px; }
}

@media print {
  body { padding-left: 0 !important; }
  .gnav, .gnav-backdrop, .gnav-toggle { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .gnav, .gnav-backdrop, .gnav-toggle svg { transition: none !important; }
}