:root {
  /* Premium Vibe Colors */
  --primary: #4F46E5; /* Indigo */
  --primary-light: #818CF8;
  --primary-dark: #3730A3;
  --secondary: #06B6D4; /* Cyan */
  --accent: #F43F5E; /* Rose */
  
  --bg-gradient: #F0F4FF;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-hover: rgba(255, 255, 255, 0.9);
  
  --text-main: #1E1B4B; /* Dark Navy */
  --text-muted: #6B7280;
  
  --border-light: rgba(255, 255, 255, 0.4);
  --border-dark: rgba(148, 163, 184, 0.2);
  
  --glass-shadow: 0 4px 24px rgba(79, 70, 229, 0.08);
  --glass-shadow-hover: 0 12px 30px rgba(79, 70, 229, 0.15);
  
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--bg-gradient);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-main);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Glassmorphism Utilities */
.glass {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%) scale(0);
  border-radius: 50%;
  transition: transform 0.5s;
}

.btn:active::after {
  transform: translate(-50%, -50%) scale(1);
  transition: 0s;
}

.btn--primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.39);
}

.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn--secondary {
  background: var(--secondary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn--secondary:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn--outline {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  color: var(--primary);
  border: 1px solid var(--primary-light);
}

.btn--outline:hover {
  background: var(--primary);
  color: white;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 1rem;
  z-index: 100;
  margin: 1rem 2rem;
  padding: 1rem 0;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-light);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-main);
}

.nav-brand h2 {
  font-size: 1.75rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-main);
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.auth-buttons {
  display: flex;
  gap: 1rem;
}

/* Main Content & Pages */
.page {
  display: none;
  animation: fadeIn 0.5s ease-out;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
  opacity: 0.3;
  filter: blur(50px);
  z-index: -1;
  border-radius: 50%;
  animation: pulse 8s infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
  opacity: 0.2;
  filter: blur(40px);
  z-index: -1;
  border-radius: 50%;
  animation: pulse 6s infinite alternate-reverse;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.2; }
  100% { transform: scale(1.2); opacity: 0.4; }
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 4.5rem;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  background: linear-gradient(135deg, #1e293b, #334155);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 4rem;
  padding: 2rem;
  background: var(--surface);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--glass-shadow);
}

.stat h3 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat p {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin: 0;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

/* Features Section */
.features {
  padding: 5rem 0;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2.5rem;
  text-align: center;
  transition: var(--transition);
  background: var(--surface);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
}

.feature-card:hover {
  transform: translateY(-10px);
  background: var(--surface-hover);
  box-shadow: var(--glass-shadow-hover);
  border-color: var(--primary-light);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-muted);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-main);
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-main);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

select.form-control {
  appearance: none;
  background-image: 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='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1em;
  padding-right: 2.5rem;
}

/* Browse Page */
.page-header {
  text-align: center;
  margin-bottom: 3rem;
}

.page-header h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
}

.search-section {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-dark);
  box-shadow: var(--glass-shadow);
  margin-bottom: 2rem;
}

.search-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  background: rgba(255, 255, 255, 0.4);
  padding: 0.5rem;
  border-radius: 100px;
  width: max-content;
  margin: 0 auto 3rem auto;
}

.tab-btn {
  padding: 0.75rem 2rem;
  border: none;
  background: transparent;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-muted);
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: white;
  color: var(--primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

/* Item Cards Grid */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.item-card {
  background: var(--surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.item-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--glass-shadow-hover);
  border-color: var(--primary-light);
}

.item-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-dark);
}

.item-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.item-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.item-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary-dark);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.item-description {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-dark);
}

.item-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Dashboard Sections */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.dashboard-section {
  background: var(--surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--glass-shadow);
}

.dashboard-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(0,0,0,0.05);
}

.item-list-card {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255,255,255,0.5);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  transition: var(--transition);
  border: 1px solid transparent;
}

.item-list-card:hover {
  background: white;
  border-color: var(--border-light);
  transform: translateX(5px);
}

.item-list-image {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.item-list-content h4 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.item-list-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal:not(.hidden) {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 450px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255,255,255,0.5);
  transform: scale(0.95) translateY(20px);
  transition: var(--transition);
}

.modal:not(.hidden) .modal-content {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.modal-close {
  background: rgba(0,0,0,0.05);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--text-muted);
}

.modal-close:hover {
  background: var(--accent);
  color: white;
  transform: rotate(90deg);
}

.modal-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.modal-footer a {
  color: var(--primary);
  font-weight: 600;
}

/* Report Form specific fixes */
.report-form {
  max-width: 700px;
  margin: 0 auto;
  background: var(--surface);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--border-dark);
}

.image-upload {
  border: 2px dashed var(--primary-light);
  border-radius: var(--radius-md);
  padding: 3rem 2rem;
  text-align: center;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
}

.image-upload:hover {
  background: rgba(79, 70, 229, 0.05);
  border-color: var(--primary);
}

.upload-placeholder span {
  display: block;
  font-family: var(--font-main);
  font-weight: 500;
  color: var(--text-muted);
}

.upload-placeholder::before {
  content: '\f0ee'; /* FontAwesome cloud-upload icon */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--primary-light);
  display: block;
  margin-bottom: 1rem;
}

.image-preview img {
  max-width: 100%;
  max-height: 250px;
  border-radius: var(--radius-sm);
}

/* Detail view tweaks */
.item-detail {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--border-dark);
}

.item-detail-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.item-detail-content {
  padding: 3rem;
}

.item-detail-meta {
  background: rgba(255,255,255,0.5);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  justify-content: space-around;
  margin: 2rem 0;
  border: 1px solid var(--border-light);
}

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toast {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border-left: 4px solid var(--primary);
  min-width: 300px;
  animation: toastSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes toastSlideIn {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .hero-content h1 { font-size: 2.5rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .navbar .container { flex-direction: column; gap: 1rem; }
  .nav-menu { flex-wrap: wrap; justify-content: center; }
  .report-form { padding: 1.5rem; }
  .item-detail-content { padding: 1.5rem; }
  .item-detail-meta { flex-direction: column; gap: 1rem; text-align: center; }
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-top: 3rem;
  padding: 1rem;
}

.pagination button {
  padding: 0.5rem 1rem;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-main);
  background: var(--surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  min-width: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.pagination button:hover:not(:disabled) {
  background: var(--primary-light);
  color: white;
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(129, 140, 248, 0.4);
}

.pagination button.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.39);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: rgba(255,255,255,0.4);
}

/* --- RETRIEVIX REDESIGN OVERRIDES --- */

/* Typography & Colors */
h1, h2, h3, h4, h5, h6 {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons (Rounded full, gradient) */
.btn {
  border-radius: 9999px; /* rounded-full */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  color: white;
}
.btn--primary:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}
.btn--secondary {
  background: transparent;
  border: 2px solid var(--secondary);
  color: var(--secondary);
}
.btn--secondary:hover {
  transform: scale(1.03);
  background: rgba(6, 182, 212, 0.1);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.2);
}

/* Cards (20px radius, hover lift) */
.feature-card, .item-card, .dashboard-section, .item-list-card, .search-section {
  border-radius: 20px;
  transition: all 0.3s ease;
  background: var(--surface);
  box-shadow: 0 4px 24px rgba(79, 70, 229, 0.08);
  border: 1px solid var(--border-light);
}
.feature-card:hover, .item-card:hover, .item-list-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(79, 70, 229, 0.15);
}

/* Images in Cards (Zoom on hover) */
.item-card {
  overflow: hidden;
}
.item-card .item-image {
  height: 200px;
  object-fit: cover;
  border-radius: 20px 20px 0 0;
  transition: transform 0.4s ease;
}
.item-card:hover .item-image {
  transform: scale(1.05);
}

/* Search Bar (Rounded Full) */
.search-bar .form-control, .filters .form-control {
  border-radius: 9999px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.search-bar .form-control:focus, .filters .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Toggle Tabs Pill Style */
.tabs {
  background: rgba(79, 70, 229, 0.1);
  border-radius: 9999px;
  padding: 4px;
}
.tab-btn {
  border-radius: 9999px;
  padding: 0.5rem 1.5rem;
}
.tab-btn.active {
  background: var(--primary);
  color: white;
}

/* Gradient Mesh Hero Animation */
.hero {
  background: linear-gradient(-45deg, #F0F4FF, #e0e7ff, #c7d2fe, #a5b4fc);
  background-size: 400% 400%;
  animation: gradientMesh 15s ease infinite;
  border-radius: 0 0 30px 30px;
  margin-top: -100px;
  padding-top: 150px;
}
@keyframes gradientMesh {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero-stats {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 20px;
}
.hero-content h1 {
  background: linear-gradient(135deg, var(--text-main), var(--primary-dark));
  -webkit-background-clip: text;
}

/* Navbar Fixes & Mobile Menu */
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.nav-menu {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

/* User Menu & Badge */
.user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}
.badge {
  background: var(--accent);
  color: white;
  padding: 2px 6px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: bold;
}

/* Responsive Grids */
.items-grid {
  grid-template-columns: repeat(3, 1fr);
}
.dashboard-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* --- CHAT INTERFACE --- */
.messages-wrapper {
  height: calc(100vh - 150px);
  padding: 0;
  max-width: 1200px;
  margin: 0 auto;
}
.messages-container {
  display: flex;
  height: 100%;
  background: var(--surface);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(79, 70, 229, 0.08);
  border: 1px solid var(--border-light);
}
.messages-sidebar {
  width: 300px;
  background: rgba(255, 255, 255, 0.8);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}
.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sidebar-header h2 {
  font-size: 1.5rem;
  margin: 0;
}
.btn-close-sidebar {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}
.btn-open-sidebar {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  margin-right: 15px;
  color: var(--primary);
}
.search-rooms {
  padding: 15px;
}
.rooms-list {
  flex-grow: 1;
  overflow-y: auto;
}
.room-item {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: background 0.2s;
}
.room-item:hover, .room-item.active {
  background: rgba(79, 70, 229, 0.05);
}
.room-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
.room-info {
  flex-grow: 1;
  overflow: hidden;
}
.room-name {
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.room-preview {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.messages-panel {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.5);
}
.panel-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
}
.panel-header h3 {
  margin: 0;
  font-size: 1.25rem;
}
.messages-stream {
  flex-grow: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.chat-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-style: italic;
}
.message-bubble {
  max-width: 70%;
  padding: 12px 16px;
  position: relative;
  word-wrap: break-word;
}
.message-bubble.sent {
  align-self: flex-end;
  background: var(--primary);
  color: white;
  border-radius: 18px 18px 4px 18px;
}
.message-bubble.received {
  align-self: flex-start;
  background: white;
  color: var(--text-main);
  border-radius: 18px 18px 18px 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.message-time {
  font-size: 0.7rem;
  opacity: 0.7;
  margin-top: 5px;
  display: block;
  text-align: right;
}

.message-input-area {
  padding: 15px 20px;
  background: rgba(255, 255, 255, 0.8);
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 10px;
}

/* Chat Button on Dashboard */
.btn-chat {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  margin-top: 10px;
  width: 100%;
}
.match-score-badge {
  padding: 4px 8px;
  border-radius: 9999px;
  font-weight: bold;
  font-size: 0.75rem;
  color: white;
}
.score-high { background: #28a745; }
.score-medium { background: #ffc107; color: #333; }
.score-low { background: #dc3545; }


/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .items-grid, .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .items-grid, .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .messages-wrapper {
    height: calc(100vh - 220px);
  }
  .navbar .container {
    flex-wrap: wrap;
  }
  .mobile-menu-btn {
    display: block;
  }
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: 1rem 0;
    gap: 1rem;
  }
  .nav-menu.active {
    display: flex;
  }
  .auth-buttons {
    flex-direction: column;
    width: 100%;
  }
  .btn {
    width: 100%;
  }
  .messages-sidebar {
    position: absolute;
    height: 100%;
    z-index: 10;
    transform: translateX(-100%);
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    background: white;
  }
  .messages-sidebar.open {
    transform: translateX(0);
  }
  .btn-close-sidebar, .btn-open-sidebar {
    display: block;
  }
}
@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  .hero-content h1 {
    font-size: 3rem;
  }
}