/* ==========================================================================
   NAV.CSS — Navigation Styles
   AutoDM | Public top-nav + Dashboard sidebar
   ========================================================================== */

/* ─────────────────────────────────────────────────────
   PUBLIC TOP NAV
───────────────────────────────────────────────────── */
.public-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-height);
  padding-inline: var(--space-margin-desktop);
  background: transparent;
  transition: background var(--transition-base), height var(--transition-base),
              box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.public-nav.scrolled {
  background: rgba(252, 249, 248, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-outline-variant);
  height: 64px;
}

.public-nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.public-nav__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-gradient);
  color: #fff;
  font-size: 20px;
}

.public-nav__logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

/* Desktop links */
.public-nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.public-nav__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.public-nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.public-nav__link:hover { color: var(--color-primary); }
.public-nav__link:hover::after { width: 100%; }

/* CTA buttons */
.public-nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger (mobile only) */
.public-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.public-nav__hamburger:hover {
  background: var(--color-surface-container-low);
}

.public-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-on-surface);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.public-nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.public-nav__hamburger.open span:nth-child(2) { opacity: 0; }
.public-nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.public-nav__mobile-menu {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  background: var(--color-surface-container-lowest);
  border-bottom: 1px solid var(--color-outline-variant);
  padding: 24px var(--space-margin-mobile) 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 899;
  transform: translateY(-16px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-base), opacity var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.public-nav__mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.public-nav__mobile-link {
  display: block;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  border-radius: var(--radius-xl);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.public-nav__mobile-link:hover {
  background: var(--color-surface-container-low);
  color: var(--color-primary);
}

.public-nav__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-outline-variant);
}

/* ─────────────────────────────────────────────────────
   DASHBOARD SIDEBAR
───────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-outline-variant);
  display: flex;
  flex-direction: column;
  padding: 28px 16px;
  z-index: 800;
  transition: transform var(--transition-base);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  margin-bottom: 36px;
}

.sidebar__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
}

.sidebar__logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.sidebar__subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: 0.05em;
}

.sidebar__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar__nav-label {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-outline);
  padding: 16px 16px 8px;
}

.sidebar__nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-xl);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  position: relative;
}

.sidebar__nav-link .material-symbols-outlined {
  font-size: 22px;
  flex-shrink: 0;
}

.sidebar__nav-link:hover {
  background: var(--color-surface-container-low);
  color: var(--color-primary);
}

.sidebar__nav-link.active {
  background: var(--color-primary-fixed);
  color: var(--color-primary);
  font-weight: 700;
}

.sidebar__nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--color-primary);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* Badge count on nav link */
.sidebar__nav-badge {
  margin-left: auto;
  background: var(--color-secondary-container);
  color: var(--color-on-secondary);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  min-width: 20px;
  text-align: center;
}

/* Bottom section */
.sidebar__footer {
  padding-top: 24px;
  border-top: 1px solid var(--color-outline-variant);
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar__user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.sidebar__user:hover { background: var(--color-surface-container-low); }

.sidebar__user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar__user-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-on-surface);
  line-height: 1.2;
}

.sidebar__user-email {
  font-size: 12px;
  color: var(--color-on-surface-variant);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

/* ── Dashboard Mobile Header ────────────────────────── */
.dashboard-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-outline-variant);
  z-index: 801;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--space-margin-mobile);
}

.dashboard-topbar__brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xl);
  background: var(--color-surface-container-low);
  cursor: pointer;
  border: none;
  transition: background var(--transition-fast);
}

.sidebar-toggle:hover { background: var(--color-surface-container); }

/* Sidebar overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 799;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.visible { display: block; }

/* ─────────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Public nav */
  .public-nav {
    padding-inline: var(--space-margin-mobile);
  }

  .public-nav__links,
  .public-nav__actions {
    display: none;
  }

  .public-nav__hamburger {
    display: flex;
  }

  /* Dashboard sidebar — slides in on mobile */
  .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-width)));
    box-shadow: none;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .dashboard-topbar {
    display: flex;
  }
}