/* nav.css — navigation bar, user dropdown, theme footer */

nav {
  padding: 18px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
  border-bottom: 2px solid var(--ink);
  position: relative;
  z-index: 50;
  overflow: visible;
}

.nav-logo {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.nav-logo em { font-style: italic; color: var(--mid); }

.nav-tag {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid);
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  background: none;
  border: 1px solid var(--rule);
  padding: 5px 10px;
  border-radius: 2px;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s;
}
.nav-link:hover,
.nav-link.active { border-color: var(--ink); color: var(--ink); }

.nav-user-menu { position: relative; }

.nav-user-btn {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  background: none;
  border: 1px solid var(--rule);
  padding: 5px 10px;
  border-radius: 2px;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s;
}
.nav-user-btn:hover { border-color: var(--ink); color: var(--ink); }

.nav-user-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: white;
  border: 1px solid var(--rule);
  border-top: 2px solid var(--ink);
  min-width: 140px;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.nav-user-dropdown.open { display: block; }

.nav-dropdown-item {
  display: block;
  width: 100%;
  text-align: left;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  padding: 10px 14px;
  border: none;
  background: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.1s, color 0.1s;
}
.nav-dropdown-item:hover { background: var(--cream); color: var(--ink); }

/* Theme footer */
.theme-footer {
  border-top: 1px solid var(--rule);
  padding: 16px 40px;
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--paper);
}
.theme-footer-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid);
  margin-right: 4px;
}
.theme-btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  background: none;
  color: var(--mid);
  padding: 5px 12px;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color 0.15s, color 0.15s;
}
.theme-btn:hover  { border-color: var(--ink); color: var(--ink); }
.theme-btn.active { border-color: var(--ink); background: var(--ink); color: var(--paper); }

.theme-version {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  color: var(--mid);
  padding: 5px 12px;
  border-radius: 2px;
  white-space: nowrap;
  margin-left: auto;
  cursor: default;
}