/* ===================================
   NAVIGATION COMPONENTS
   =================================== */

/* NAVBAR COMPONENT */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
  z-index: 50;
}

.navbar__container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.navbar__menu-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
  z-index: 60;
  padding: 0;
  margin: 0;
  position: relative;
}

.navbar__menu-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.navbar__menu-icon {
  width: 20px;
  height: 2px;
  position: relative;
  background-color: var(--color-text-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
  display: block;
}

.navbar__menu-icon::before,
.navbar__menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.navbar__menu-icon::before {
  top: -6px;
}

.navbar__menu-icon::after {
  bottom: -6px;
}

/* Animated hamburger when menu is open */
.navbar__menu-btn.menu-open .navbar__menu-icon {
  background-color: transparent;
}

.navbar__menu-btn.menu-open .navbar__menu-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar__menu-btn.menu-open .navbar__menu-icon::after {
  transform: rotate(-45deg);
  bottom: 0;
}

.navbar__logo {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar__logo-img {
  max-height: 40px;
  max-width: 120px;
  object-fit: contain;
  transition: opacity 0.2s ease;
}

.navbar__logo:hover .navbar__logo-img {
  opacity: 0.8;
}

.navbar__logo-text {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.navbar__spacer {
  width: 40px;
}

/* DESKTOP NAVIGATION */
.navbar__nav {
  display: none;
}

.navbar__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: 'Nunito', sans-serif;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  position: relative;
  border: none;
  background: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.navbar__nav-link:hover {
  color: var(--color-primary);
  background-color: rgba(47, 111, 237, 0.08);
}

.navbar__nav-link--active {
  color: var(--color-primary);
  background-color: rgba(47, 111, 237, 0.1);
  font-weight: 700;
}

.navbar__nav-link--danger {
  color: var(--color-accent-error);
}

.navbar__nav-link--danger:hover {
  background-color: rgba(196, 0, 0, 0.08);
  color: var(--color-accent-error);
}

.navbar__logout-form {
  display: inline;
  margin: 0;
  padding: 0;
}

/* Desktop layout */
@media (min-width: 768px) {
  .navbar__container {
    justify-content: space-between;
    max-width: 1200px;
  }

  .navbar__menu-btn {
    display: none;
  }

  .navbar__nav {
    display: flex;
    align-items: center;
  }

  .navbar__logo {
    margin-right: auto;
  }

  .navbar__spacer {
    display: none;
  }
}

/* SIDEBAR MENU */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.45);
  z-index: 55;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100%;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-lg);
  z-index: 60;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.sidebar.show {
  transform: translateX(0);
}

.sidebar__header {
  padding: var(--space-lg) var(--space-md);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--navbar-height);
}

.sidebar__logo {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
}

.sidebar__close {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: background-color 0.2s ease;
}

.sidebar__close:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.sidebar__nav {
  flex: 1;
  padding: var(--space-md) 0;
  overflow-y: auto;
}

.sidebar__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar__nav-item {
  margin: 0;
}

.sidebar__nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: background-color 0.2s ease;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: 'Nunito', sans-serif;
}

.sidebar__nav-link:hover {
  background-color: rgba(47, 111, 237, 0.08);
  color: var(--color-primary);
}

.sidebar__nav-link--active {
  background-color: rgba(47, 111, 237, 0.1);
  color: var(--color-primary);
  font-weight: 700;
}

.sidebar__nav-link--danger {
  color: var(--color-accent-error);
}

.sidebar__nav-link--danger:hover {
  background-color: rgba(196, 0, 0, 0.08);
  color: var(--color-accent-error);
}

.sidebar__footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.sidebar__user-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.sidebar__user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-surface);
  font-weight: 800;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.sidebar__user-name {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-primary);
}

/* Mobile: full-width sidebar on very small screens */
@media (max-width: 380px) {
  .sidebar {
    width: 100%;
  }
}