/**
 * RentDirect - Premium Components
 * Navigation, Cards, Modals with Glass Morphism & Smooth Animations
 */

/* ============================================
   NAVIGATION - Floating Glass Navbar
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.95);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.navbar-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  transition: all var(--transition-base);
}

.navbar-logo:hover {
  color: var(--accent);
  transform: scale(1.05);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
}

.navbar-link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.navbar-link:hover {
  color: var(--accent);
}

.navbar-link:hover::after {
  width: 80%;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Profile Dropdown with smooth animations */
.profile-dropdown {
  position: relative;
}

.profile-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-primary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.profile-trigger:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.profile-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  position: relative;
  overflow: hidden;
}

.profile-avatar::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: rotate(45deg);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0%, 100% { transform: translateX(-100%) rotate(45deg); }
  50% { transform: translateX(100%) rotate(45deg); }
}

.profile-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.profile-menu {
  position: absolute;
  top: calc(100% + var(--space-3));
  right: 0;
  min-width: 220px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  overflow: hidden;
}

.profile-dropdown.active .profile-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.profile-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.profile-menu-item:hover {
  background: var(--bg-secondary);
  color: var(--accent);
  padding-left: var(--space-5);
}

.profile-menu-divider {
  height: 1px;
  background: var(--border-light);
  margin: var(--space-2) 0;
}

/* Mobile menu button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-2);
  transition: all var(--transition-base);
}

.mobile-menu-toggle:hover {
  color: var(--accent);
  transform: scale(1.1);
}

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--bg-primary);
  box-shadow: var(--shadow-2xl);
  padding: var(--space-6);
  transition: right var(--transition-slow);
  z-index: var(--z-fixed);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.mobile-menu-close:hover {
  background: var(--bg-tertiary);
  color: var(--accent);
  transform: rotate(90deg);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 31, 58, 0.6);
  backdrop-filter: blur(4px);
  z-index: calc(var(--z-fixed) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-list {
  list-style: none;
  margin-top: var(--space-8);
}

.mobile-menu-item {
  margin-bottom: var(--space-2);
}

.mobile-menu-link {
  display: block;
  padding: var(--space-4);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.125rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.mobile-menu-link:hover {
  background: var(--bg-tertiary);
  color: var(--accent);
  padding-left: var(--space-6);
}

/* ============================================
   LISTING CARDS - Premium Design
   ============================================ */

.listings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.listing-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-slow);
  cursor: pointer;
  position: relative;
}

.listing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--accent) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  z-index: 1;
  pointer-events: none;
}

.listing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--accent-light);
}

.listing-card:hover::before {
  opacity: 0.03;
}

.listing-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.listing-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.listing-card:hover .listing-card-image img {
  transform: scale(1.1);
}

.listing-card-badges {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 2;
}

.badge-featured {
  background: linear-gradient(135deg, #FF6B6B 0%, #FFE66D 100%);
  color: var(--text-primary);
  font-weight: 700;
  padding: var(--space-2) var(--space-3);
  box-shadow: var(--shadow-md);
}

.badge-verified {
  background: var(--success);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.favorite-btn {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-tertiary);
  transition: all var(--transition-base);
  z-index: 2;
}

.favorite-btn:hover {
  transform: scale(1.1);
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.favorite-btn.active {
  color: var(--error);
  background: var(--bg-primary);
  transform: scale(1.15);
  animation: heartbeat 0.6s ease-in-out;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1.15); }
  25%, 75% { transform: scale(1.3); }
  50% { transform: scale(1.15); }
}

.listing-card-content {
  padding: var(--space-5);
}

.listing-card-price {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.listing-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.4;
}

.listing-card-location {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  font-size: 0.9375rem;
  margin-bottom: var(--space-4);
}

.listing-card-meta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
}

.listing-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.listing-card-owner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
}

/* Rank badges with gradients */
.rank-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.rank-bronze {
  background: linear-gradient(135deg, #CD7F32 0%, #E89F65 100%);
  color: var(--text-inverse);
}

.rank-silver {
  background: linear-gradient(135deg, #C0C0C0 0%, #E8E8E8 100%);
  color: var(--text-primary);
}

.rank-gold {
  background: linear-gradient(135deg, #FFD700 0%, #FFF4A3 100%);
  color: var(--text-primary);
}

.rank-platinum {
  background: linear-gradient(135deg, #E5E4E2 0%, #FFFFFF 100%);
  color: var(--text-primary);
  box-shadow: 0 0 12px rgba(229, 228, 226, 0.6);
}

.rank-diamond {
  background: linear-gradient(135deg, #B9F2FF 0%, #0080FF 100%);
  color: var(--text-inverse);
  box-shadow: 0 0 12px rgba(0, 128, 255, 0.4);
}

/* ============================================
   MODALS - Glass Morphism
   ============================================ */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 31, 58, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform var(--transition-bounce);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.modal-body {
  padding: var(--space-6);
  max-height: 60vh;
  overflow-y: auto;
}

.modal-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  padding: var(--space-6);
  border-top: 1px solid var(--border-light);
  background: var(--bg-secondary);
}

/* ============================================
   TOAST NOTIFICATIONS - Sliding Animations
   ============================================ */

.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  min-width: 300px;
  max-width: 500px;
  padding: var(--space-4) var(--space-5);
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  transform: translateX(calc(100% + var(--space-6)));
  transition: transform var(--transition-bounce);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

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

.toast-success {
  border-left-color: var(--success);
}

.toast-error {
  border-left-color: var(--error);
}

.toast-warning {
  border-left-color: var(--warning);
}

.toast-info {
  border-left-color: var(--info);
}

/* ============================================
   PAGINATION - Elegant Controls
   ============================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.pagination-btn,
.pagination-number {
  min-width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-medium);
  background: var(--bg-primary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.pagination-btn:hover:not(:disabled),
.pagination-number:hover {
  border-color: var(--accent);
  background: var(--bg-secondary);
  transform: translateY(-2px);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-number.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-color: var(--primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}

.pagination-numbers {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* ============================================
   LOADING STATES - Skeleton & Spinners
   ============================================ */

.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.skeleton-card {
  pointer-events: none;
}

.skeleton-image,
.skeleton-line {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--bg-tertiary) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-image {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   EMPTY STATES
   ============================================ */

.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-6);
}

.empty-state-icon {
  font-size: 4rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-5);
  opacity: 0.5;
}

.empty-state-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .listings-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .listings-grid {
    grid-template-columns: 1fr;
  }
  
  .toast {
    right: var(--space-4);
    left: var(--space-4);
    min-width: auto;
  }
}