/* ===========================
   LAYOUT: HEADER, NAV, FOOTER
   =========================== */

/* Header (logo + title) */
header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--panel);
  border-bottom: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 2px 6px rgba(0,0,0,.05);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}
.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.title {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
}
.subtitle {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 2px;
}

/* Nav bar */
nav.sitelinks {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  padding: 12px 16px;
  background: var(--card);
  border-top: 1px solid rgba(0,0,0,.05);
  border-bottom: 1px solid rgba(0,0,0,.05);
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}

nav.sitelinks a {
  padding: 8px 14px;
  font-size: 0.95rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  background: rgba(255,255,255,0.5);
  transition: background .2s ease, color .2s ease;
}

nav.sitelinks a:hover {
  background: var(--brand);
  color: #fff;
}

nav.sitelinks a.active {
  background: var(--brand);
  color: #fff;
}

/* Footer */
footer.site {
  background: var(--panel);
  padding: 18px 12px;
  margin-top: 40px;
  border-top: 1px solid rgba(0,0,0,.08);
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}
footer.site p { margin: 0; }

/* Mobile tweaks */
@media (max-width: 700px) {
  header.site {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .logo { width: 60px; height: 60px; }
  .title { font-size: 1.3rem; }
  .subtitle { font-size: 0.85rem; }

  nav.sitelinks {
    flex-wrap: wrap;
    justify-content: center;
  }
}
/* ===========================
   DARK THEME LAYOUT IMPROVEMENTS
   =========================== */

:root[data-theme="dark"] header.site {
  background: linear-gradient(180deg, #0f1720, #121a24);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

:root[data-theme="dark"] nav.sitelinks {
  background: #121a24;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}

:root[data-theme="dark"] nav.sitelinks a {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.15);
}

:root[data-theme="dark"] nav.sitelinks a:hover {
  background: var(--brand);
  color: #052021;
}

:root[data-theme="dark"] nav.sitelinks a.active {
  background: var(--brand);
  color: #052021;
  font-weight: 600;
  box-shadow: 0 0 8px rgba(123,211,255,0.3);
}

:root[data-theme="dark"] footer.site {
  background: #121a24;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
}
/* Theme toggle button (reset + glow) */
#theme-toggle {
  background: none;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 6px;
  margin-left: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
}

/* Hover effect */
#theme-toggle:hover {
  background: rgba(0,0,0,0.06);
  transform: scale(1.1);
}

/* SVG icons inside toggle */
#theme-toggle .icon {
  width: 22px;
  height: 22px;
  display: none;
}

/* Light mode: show sun */
:root[data-theme="light"] #theme-toggle .sun {
  display: block;
}

/* Dark mode: show moon */
:root[data-theme="dark"] #theme-toggle .moon {
  display: block;
}

/* ACTIVE glow effect */
:root[data-theme="light"] #theme-toggle {
  box-shadow: 0 0 10px rgba(255, 213, 0, 0.6); /* golden glow */
}

:root[data-theme="dark"] #theme-toggle {
  box-shadow: 0 0 10px rgba(123, 211, 255, 0.6); /* blue glow */
}