.navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  padding: 0;
  animation: navbarSlideDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

@keyframes navbarSlideDown {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.navbar-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #1a1a1a;
  border-radius: 60px;
  padding: 6px 8px 6px 6px;
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.5),
    0 1px 3px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---------- Logo ---------- */
.navbar-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: #ffffff;
  border-radius: 50%;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease;
}

.navbar-logo img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.navbar-logo:hover {
  transform: scale(1.08);
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.15);
}

.navbar-logo:hover img {
  transform: rotate(15deg);
}

/* ---------- Nav Links ---------- */
.navbar-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
  margin: 0;
  padding: 0 12px;
}

.navbar-link {
  display: block;
  padding: 10px 18px;
  color: #ffffff;
  text-decoration: none;
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 30px;
  transition: background 0.25s ease,
              color 0.25s ease,
              transform 0.2s ease;
  position: relative;
  white-space: nowrap;
}

.navbar-link:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.navbar-link:active {
  transform: translateY(0) scale(0.97);
}

/* ---------- Email Icon Button ---------- */
.navbar-email-wrap {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar-email-btn {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0;
  max-width: 44px;
  height: 44px;
  overflow: hidden;
  background: #ffffff;
  color: #1a1a1a;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-size: 18px;
  font-family: 'Fira Code', monospace;
  font-weight: 600;
  white-space: nowrap;
  /* max-width allows smooth transition in both directions */
  transition: max-width 0.45s cubic-bezier(0.25, 1, 0.5, 1),
              padding 0.45s cubic-bezier(0.25, 1, 0.5, 1),
              background 0.25s ease,
              transform 0.25s ease,
              box-shadow 0.25s ease;
}

/* Center the icon when collapsed */
.navbar-email-btn i {
  flex-shrink: 0;
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Email text — hidden until hover */
.navbar-email-label {
  display: flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  padding-right: 0;
  transition: max-width 0.45s cubic-bezier(0.25, 1, 0.5, 1),
              padding-right 0.45s cubic-bezier(0.25, 1, 0.5, 1),
              opacity 0.25s ease 0.15s;
}

/* Hover → expand */
.navbar-email-btn:hover {
  max-width: 220px;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,255,255,0.12);
}

.navbar-email-btn:hover .navbar-email-label {
  max-width: 200px;
  padding-right: 16px;
  opacity: 1;
}

.navbar-email-btn:active {
  transform: scale(0.96);
}

/* Green copied state */
.navbar-email-btn.navbar-email-copied {
  background: #43b581;
  color: white;
  animation: popCopy 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popCopy {
  0%   { transform: scale(0.88); }
  100% { transform: scale(1); }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .navbar {
    top: 12px;
    width: calc(100% - 24px);
  }

  .navbar-inner {
    width: 100%;
    justify-content: space-between;
  }

  .navbar-links {
    gap: 0;
    padding: 0 4px;
  }

  .navbar-link {
    padding: 8px 12px;
    font-size: 13px;
  }

  .navbar-email {
    padding: 8px 14px;
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .navbar-inner {
    padding: 5px;
  }
}