/* layout.css — header, nav, main layout, section views */

/* ============================================================
   HEADER / NAV
   ============================================================ */
header {
  background: var(--green-dark);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  gap: 1rem;
}

.header-brand { flex-shrink: 0; }
.header-brand h1 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.header-brand p {
  font-size: 0.73rem;
  opacity: 0.7;
  font-style: italic;
  margin-top: 1px;
}
.visitor-count {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  white-space: nowrap;
  padding: 0 0.25rem;
}

/* Desktop nav */
.nav-desktop {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
}

.nav-desktop button,
.nav-home-btn {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  padding: 0.42rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  font-family: var(--font-body);
  white-space: nowrap;
  text-decoration: none;
}
/* General nav button hover / active — white tint */
.nav-desktop button:hover,
.nav-desktop button.active {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.65);
}
/* Home button — always blue */
.nav-home-btn {
  background: rgba(96,165,250,0.72);
  border-color: rgba(147,197,253,0.9);
}
/* Blue hover on Home only */
.nav-home-btn:hover {
  background: rgba(96,165,250,0.92);
  border-color: #fff;
}
/* Add Book hover — darken the teal */
#nav-add-btn:hover {
  background: var(--teal-dark) !important;
  border-color: var(--teal-dark) !important;
}

/* Admin indicator in nav */
.admin-badge {
  display: none;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.35);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  color: #fff;
  cursor: pointer;
}
.admin-badge.visible { display: flex; }
.admin-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #7fefb0;
  box-shadow: 0 0 4px #7fefb0;
}

/* Hamburger */
.hamburger {
  display: none;
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.35);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: #fff;
  font-size: 1.2rem;
  line-height: 1;
}

/* Mobile slide drawer */
.nav-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
}
.nav-drawer.open { display: block; }
.drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}
.drawer-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(280px, 80vw);
  background: var(--green-dark);
  padding: 1.5rem 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}
.nav-drawer.open .drawer-panel { transform: translateX(0); }

.drawer-panel .drawer-close {
  align-self: flex-end;
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  width: 36px; height: 36px;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.5rem;
}
.drawer-home-btn {
  display: block;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  text-decoration: none;
  transition: background 0.15s;
}
.drawer-home-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.drawer-panel button {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
  font-family: var(--font-body);
  text-align: left;
  transition: background 0.15s;
}
.drawer-panel button:hover,
.drawer-panel button.active {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.5);
}
.drawer-divider {
  height: 1px;
  background: rgba(255,255,255,0.15);
  margin: 0.25rem 0;
}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

/* ============================================================
   SECTION VIEWS
   ============================================================ */
.view { display: none; }
.view.active { display: block; }