/**
 * SinBar — Navbar floating glass + motion
 */

.navbar-wrapper {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.85rem 1.25rem 0.35rem;
  background: transparent;
  animation: navEnter 0.4s ease both;
}

.navbar-wrapper.scrolled .nav-shell {
  background: color-mix(in srgb, var(--bg-glass-nav) 92%, transparent);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--border-subtle);
}

.navbar-wrapper svg {
  stroke-width: 2.15;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-shell {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  max-width: var(--max-width-main);
  margin: 0 auto;
  height: 4.15rem;
  padding: 0 0.7rem 0 0.85rem;
  background: var(--bg-glass-nav);
  border: 1px solid var(--border-glass);
  border-radius: 22px;
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  justify-self: start;
}

.brand-icon-box {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 13px;
  background: linear-gradient(145deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 6px 18px var(--accent-glow);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  animation: brandPulse 3.6s ease-in-out infinite;
}

.brand-icon-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.28), transparent 55%);
  pointer-events: none;
}

.brand-icon-box svg {
  width: 1.2rem;
  height: 1.2rem;
  position: relative;
  z-index: 1;
}

.brand-wordmark {
  font-family: var(--font-heading);
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: -0.045em;
  color: var(--text-primary);
  line-height: 1;
}

.brand-wordmark span {
  background: linear-gradient(135deg, var(--accent-primary), #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  list-style: none;
  justify-self: center;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.42rem 0.9rem 0.52rem;
  letter-spacing: -0.01em;
  background: transparent;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0.08rem;
  width: 1.15em;
  height: 2px;
  border-radius: 99px;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  opacity: 0;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.22s ease;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 0.45;
}

.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 1;
  width: 1.35em;
}

.nav-actions-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  justify-self: end;
}

.nav-search-trigger {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 999px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.nav-search-trigger:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  transform: scale(1.06);
}

.nav-search-trigger:focus-visible,
.nav-theme-btn:focus-visible,
.nav-login-btn:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.nav-search-trigger svg {
  width: 1.12rem;
  height: 1.12rem;
}

.nav-theme-btn {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.nav-theme-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  transform: rotate(-12deg);
}

.nav-theme-btn svg {
  width: 1.12rem;
  height: 1.12rem;
}

.nav-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 2.5rem;
  padding: 0 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 18px var(--accent-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-login-btn svg {
  width: 1rem;
  height: 1rem;
}

.nav-login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px var(--accent-glow-strong);
}

.mobile-menu-toggle { display: none; }

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

.user-profile-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2.5rem;
  padding: 0 0.85rem 0 0.28rem;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  color: var(--text-primary);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
}

.user-profile-pill-btn:hover { border-color: var(--border-focus); }

.user-avatar-circle {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar-circle svg { width: 0.9rem; height: 0.9rem; }

.user-pill-name {
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-pill-arrow { width: 14px; height: 14px; color: var(--text-muted); }

.user-dropdown-card {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 260px;
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  animation: navItemIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.user-dropdown-header { padding: 0.35rem 0.5rem 0.55rem; }
.user-dropdown-name {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
}
.user-dropdown-email {
  font-size: 0.75rem;
  color: var(--text-muted);
  word-break: break-all;
  margin-top: 0.15rem;
}
.user-status-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.12rem 0.45rem;
  border-radius: var(--radius-xs);
  background: var(--color-success-bg);
  color: var(--color-success);
  margin-top: 0.4rem;
}
.user-dropdown-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.4rem 0;
}
.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.user-dropdown-item:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}
.dropdown-item-icon {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.dropdown-item-icon.indigo { background: rgba(99, 102, 241, 0.15); color: var(--accent-primary); }
.dropdown-item-icon.danger { background: var(--color-danger-bg); color: var(--color-danger); }
.dropdown-item-icon svg { width: 16px; height: 16px; }
.dropdown-item-text { flex: 1; }

@keyframes navEnter {
  from { opacity: 0; transform: translateY(-18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes navItemIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes brandPulse {
  0%, 100% { box-shadow: 0 6px 18px var(--accent-glow); }
  50% { box-shadow: 0 8px 26px var(--accent-glow-strong); }
}

@media (max-width: 820px) {
  .navbar-wrapper { padding: 0.65rem 0.75rem 0.25rem; }
  .nav-shell {
    display: flex;
    justify-content: space-between;
    height: 3.85rem;
    border-radius: 18px;
  }
  .mobile-menu-toggle { display: inline-flex; }

  .nav-links-list {
    position: absolute;
    top: calc(100% + 0.55rem);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.3rem;
    padding: 0.65rem;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1050;
    justify-self: auto;
  }

  .nav-links-list.open { display: flex; animation: navItemIn 0.25s ease; }

  .nav-link {
    justify-content: flex-start;
    padding: 0.8rem 0.95rem;
  }

  .nav-link::after {
    left: 0.95rem;
    bottom: auto;
    top: 50%;
    width: 3px;
    height: 1.05em;
    transform: translateY(-50%) scaleY(0);
  }

  .nav-link:hover::after {
    transform: translateY(-50%) scaleY(1);
  }

  .nav-link.active::after {
    transform: translateY(-50%) scaleY(1);
    width: 3px;
  }
}

@media (max-width: 480px) {
  .user-pill-name { display: none; }
  .brand-wordmark { font-size: 1.15rem; }
}

@media (prefers-reduced-motion: reduce) {
  .navbar-wrapper,
  .nav-brand,
  .nav-links-list,
  .nav-actions-right,
  .user-dropdown-card,
  .brand-icon-box,
  .nav-search-trigger {
    animation: none;
  }
}