/* ============================================
   Navigation Component
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height-mobile);
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: var(--z-sticky);
  transition: background var(--transition-normal);
}

@media (min-width: 768px) {
  .nav {
    height: var(--nav-height);
    padding: 0 var(--space-6);
  }
}

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

/* ---- Logo ---- */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: var(--weight-black);
  font-size: var(--text-lg);
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo-icon .icon {
  width: 20px;
  height: 20px;
  color: #fff;
}

.nav__logo-text {
  display: none;
}

@media (min-width: 768px) {
  .nav__logo-text {
    display: inline;
  }
  .nav__logo {
    font-size: var(--text-xl);
  }
}

.nav__logo-dot {
  color: var(--color-primary-light);
}

/* ---- Search Bar ---- */
.nav__search {
  display: none;
  position: relative;
  flex: 1;
  max-width: 400px;
  margin: 0 var(--space-6);
}

@media (min-width: 768px) {
  .nav__search {
    display: block;
  }
}

.nav__search-input {
  width: 100%;
  height: 40px;
  padding: 0 var(--space-4) 0 var(--space-10);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.nav__search-input::placeholder {
  color: var(--text-muted);
}

.nav__search-input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
  outline: none;
}

.nav__search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

/* Search results dropdown */
.nav__search-results {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  max-height: 320px;
  overflow-y: auto;
  display: none;
}

.nav__search-results.is-open {
  display: block;
  animation: slideDown var(--transition-fast) ease;
}

.nav__search-result {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav__search-result:hover {
  background: var(--bg-card-hover);
}

.nav__search-result__thumb {
  width: 40px;
  height: 30px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.nav__search-result__name {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

/* ---- Right Side Actions ---- */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .nav__actions {
    gap: var(--space-3);
  }
}

/* Mobile search toggle */
.nav__search-toggle {
  display: flex;
}

@media (min-width: 768px) {
  .nav__search-toggle {
    display: none;
  }
}

/* Hamburger toggle */
.nav__menu-toggle {
  display: flex;
}

@media (min-width: 768px) {
  .nav__menu-toggle {
    display: none;
  }
}

/* ---- Mobile Menu (Slide-in) ---- */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--transition-normal) ease;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.mobile-menu.is-open {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
}

.mobile-menu__body {
  padding: var(--space-4) 0;
  flex: 1;
}

/* Mobile search */
.mobile-menu__search {
  padding: 0 var(--space-4) var(--space-4);
}

.mobile-menu__search-input {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
  color: var(--text-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
}

.mobile-menu__link .icon {
  width: 20px;
  height: 20px;
}

.mobile-menu__divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--space-3) var(--space-5);
}

.mobile-menu__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-color);
}

/* Mobile menu backdrop */
.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-menu-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* ---- Desktop Nav Links ---- */
.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

.nav__link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
}