/**
 * Navbar & UserMenu — Stripe/Linear-style top bar
 */

/* ----- Navbar ----- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
  height: var(--app-header-height);
  min-height: var(--app-header-height);
  background: var(--app-surface);
  border-bottom: 1px solid var(--app-border);
  font-family: var(--app-font-sans);
}

.navbar-inner {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--app-space-4);
  gap: var(--app-space-6);
  max-width: 100%;
}

.navbar-brand {
  font-size: var(--app-text-lg);
  font-weight: var(--app-font-semibold);
  color: var(--app-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  transition: color 0.15s ease;
}

.navbar-brand:hover {
  color: var(--app-primary);
}

.navbar-nav {
  display: none;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--app-space-1);
}

.navbar-item {
  display: inline-flex;
  align-items: center;
  gap: var(--app-space-2);
  padding: var(--app-space-2) var(--app-space-3);
  font-size: var(--app-text-sm);
  font-weight: var(--app-font-medium);
  color: var(--app-text-secondary);
  text-decoration: none;
  border-radius: var(--app-radius-md);
  transition: background 0.15s, color 0.15s;
}

.navbar-item:hover {
  color: var(--app-text);
  background: var(--app-surface-elevated);
}

.navbar-item.active {
  color: var(--app-primary);
  background: var(--app-primary-muted);
}

.navbar-item-icon {
  display: inline-flex;
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
}

.navbar-item-icon .oi {
  width: 1.125rem;
  height: 1.125rem;
  opacity: 0.9;
}

.navbar-end {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.navbar-toggler {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--app-radius-md);
  color: var(--app-text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.navbar-toggler:hover {
  background: var(--app-border);
  color: var(--app-text);
}

.navbar-toggler-icon {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cline x1='3' y1='6' x2='21' y2='6'/%3E%3Cline x1='3' y1='12' x2='21' y2='12'/%3E%3Cline x1='3' y1='18' x2='21' y2='18'/%3E%3C/svg%3E") center/contain no-repeat;
}

.navbar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 98;
  animation: app-fade-in 0.2s ease;
}

.navbar-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(300px, 100vw);
  background: var(--app-surface);
  box-shadow: var(--app-shadow-lg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  animation: app-slide-in-right 0.25s ease;
}

.navbar-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--app-space-4);
  overflow-y: auto;
}

.navbar-drawer-item.navbar-item {
  padding: var(--app-space-3) var(--app-space-4);
  justify-content: flex-start;
  width: 100%;
}

.navbar-drawer-footer {
  padding: var(--app-space-4);
  border-top: 1px solid var(--app-border);
  margin-top: auto;
}

@keyframes app-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes app-slide-in-right {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@media (min-width: 769px) {
  .navbar-nav {
    display: flex;
  }

  .navbar-toggler {
    display: none;
  }
}

/* ----- UserMenu ----- */
.usermenu {
  position: relative;
}

.usermenu-trigger {
  display: flex;
  align-items: center;
  gap: var(--app-space-2);
  padding: var(--app-space-1) var(--app-space-2);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--app-radius-md);
  font-size: var(--app-text-sm);
  font-weight: var(--app-font-medium);
  color: var(--app-text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.usermenu-trigger:hover {
  background: var(--app-surface-elevated);
  border-color: var(--app-border);
}

.usermenu-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--app-radius-full);
  background: var(--app-primary);
  color: #fff;
  font-size: var(--app-text-xs);
  font-weight: var(--app-font-semibold);
  flex-shrink: 0;
}

.usermenu-name {
  max-width: 10rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .usermenu-name {
    display: none;
  }
}

.usermenu-chevron {
  display: block;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  opacity: 0.7;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform 0.2s;
}

.usermenu-trigger[aria-expanded="true"] .usermenu-chevron {
  transform: rotate(180deg);
}

.usermenu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
}

.usermenu-dropdown {
  position: absolute;
  top: calc(100% + var(--app-space-1));
  right: 0;
  min-width: 12rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow-lg);
  z-index: 51;
  padding: var(--app-space-2);
  animation: app-fade-in 0.15s ease;
}

.usermenu-dropdown-header {
  display: flex;
  align-items: center;
  gap: var(--app-space-3);
  padding: var(--app-space-3);
}

.usermenu-avatar-lg {
  width: 2.5rem;
  height: 2.5rem;
  font-size: var(--app-text-sm);
}

.usermenu-dropdown-name {
  font-size: var(--app-text-sm);
  font-weight: var(--app-font-medium);
  color: var(--app-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.usermenu-dropdown-divider {
  height: 1px;
  background: var(--app-border);
  margin: var(--app-space-2) 0;
}

.usermenu-item {
  display: flex;
  align-items: center;
  gap: var(--app-space-2);
  width: 100%;
  padding: var(--app-space-2) var(--app-space-3);
  font-size: var(--app-text-sm);
  color: var(--app-text);
  background: none;
  border: none;
  border-radius: var(--app-radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  text-align: left;
}

.usermenu-item:hover {
  background: var(--app-surface-elevated);
}

.usermenu-item-danger:hover {
  color: var(--app-danger);
  background: var(--app-danger-muted);
}

.usermenu-item-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.usermenu-item-icon.oi {
  opacity: 0.85;
}