/* ===== CSS Variables / Design Tokens ===== */
:root {
  /* Brand Colors */
  --color-offer: #0f6e56;
  --color-offer-light: #e6f4f0;
  --color-offer-hover: #0d5d49;
  --color-request: #ba7517;
  --color-request-light: #fef3e0;
  --color-request-hover: #a66814;
  --color-received: #2563eb;
  --color-received-light: #e0edff;
  
  /* Neutral Colors */
  --color-bg: #f8f9fa;
  --color-card: #ffffff;
  --color-border: #e5e7eb;
  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  
  /* Accent Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-card: #1e293b;
  --color-border: #334155;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  
  --color-offer-light: rgba(15, 110, 86, 0.2);
  --color-request-light: rgba(186, 117, 23, 0.2);
  --color-received-light: rgba(37, 99, 235, 0.2);
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.4);
}

[data-theme="dark"] .balance-card {
  background: linear-gradient(135deg, #0f6e56 0%, #064e3b 100%);
}

[data-theme="dark"] .skeleton-card {
  background: linear-gradient(90deg, #334155 25%, #475569 50%, #334155 75%);
  background-size: 200% 100%;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* ===== Navbar ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-offer);
}

.navbar-center {
  flex: 1;
  max-width: 500px;
  margin: 0 2rem;
}

.search-container {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

.search-input {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  background: var(--color-bg);
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-offer);
  box-shadow: 0 0 0 3px var(--color-offer-light);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.time-balance {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-offer-light);
  border-radius: var(--radius-full);
  color: var(--color-offer);
  font-weight: 600;
}

.icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
  background: var(--color-error);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.user-avatar:hover {
  border-color: var(--color-offer);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Theme Toggle */
.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: block;
}

.theme-toggle .moon-icon.hidden {
  display: none;
}

/* User Menu & Dropdown */
.user-menu {
  position: relative;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 260px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 150;
  animation: dropdownFadeIn var(--transition-fast);
}

.user-dropdown.hidden {
  display: none;
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
}

.dropdown-header img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}

.dropdown-user-info {
  display: flex;
  flex-direction: column;
}

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

.dropdown-email {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: 0.25rem 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.dropdown-item.logout {
  color: var(--color-error);
}

.dropdown-item.logout:hover {
  background: rgba(239, 68, 68, 0.1);
}

.dropdown-badge {
  margin-left: auto;
  background: var(--color-offer);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
}

/* ===== Main Container ===== */
.main-container {
  display: grid;
  grid-template-columns: 260px 1fr 320px;
  gap: 1.5rem;
  max-width: 1600px;
  margin: 0 auto;
  padding: 1.5rem;
  min-height: calc(100vh - 65px);
}

/* ===== Sidebar ===== */
.sidebar {
  position: sticky;
  top: 80px;
  height: fit-content;
}

.sidebar-section {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.category-list {
  list-style: none;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.category-item:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.category-item.active {
  background: var(--color-offer-light);
  color: var(--color-offer);
  font-weight: 500;
}

.category-count {
  margin-left: auto;
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
  background: var(--color-bg);
  border-radius: var(--radius-full);
}

.category-item.active .category-count {
  background: var(--color-offer);
  color: white;
}

.filter-buttons {
  display: flex;
  gap: 0.5rem;
}

.filter-btn {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-text-muted);
}

.filter-btn.active {
  border-color: var(--color-offer);
  background: var(--color-offer-light);
  color: var(--color-offer);
}

.filter-btn.offer.active {
  border-color: var(--color-offer);
  background: var(--color-offer-light);
  color: var(--color-offer);
}

.filter-btn.request.active {
  border-color: var(--color-request);
  background: var(--color-request-light);
  color: var(--color-request);
}

/* ===== Main Content ===== */
.main-content {
  min-width: 0;
}

.content-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.content-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--color-text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Sort Dropdown */
.sort-dropdown {
  position: relative;
}

.sort-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sort-btn:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text-primary);
}

.sort-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 180px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  animation: dropdownFadeIn var(--transition-fast);
}

.sort-menu.hidden {
  display: none;
}

.sort-option {
  display: block;
  width: 100%;
  padding: 0.625rem 1rem;
  text-align: left;
  background: none;
  border: none;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sort-option:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.sort-option.active {
  background: var(--color-offer-light);
  color: var(--color-offer);
  font-weight: 500;
}

.sort-option:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.sort-option:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.post-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--color-offer);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.post-btn:hover {
  background: var(--color-offer-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Loading State */
.loading-container {
  width: 100%;
}

.loading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.skeleton-card {
  height: 220px;
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-lg);
}

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

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.empty-state svg {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.reset-btn {
  padding: 0.625rem 1.25rem;
  background: var(--color-offer);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.reset-btn:hover {
  background: var(--color-offer-hover);
}

/* Listings Grid */
.listings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

/* Load More */
.load-more-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 1rem;
}

.load-more-container.hidden {
  display: none;
}

.load-more-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.load-more-btn:hover {
  border-color: var(--color-offer);
  color: var(--color-offer);
  box-shadow: var(--shadow-sm);
}

.load-more-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.listings-info {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ===== Listing Card ===== */
.listing-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.listing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.listing-card.offer {
  border-top: 3px solid var(--color-offer);
}

.listing-card.request {
  border-top: 3px solid var(--color-request);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.card-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Bookmark Button */
.bookmark-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-bg);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.bookmark-btn:hover {
  background: var(--color-border);
  color: var(--color-text-primary);
}

.bookmark-btn.active {
  background: var(--color-offer-light);
  color: var(--color-offer);
}

.bookmark-btn.active svg {
  fill: var(--color-offer);
}

.card-type {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card-type.offer {
  background: var(--color-offer-light);
  color: var(--color-offer);
}

.card-type.request {
  background: var(--color-request-light);
  color: var(--color-request);
}

.card-time {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.card-time svg {
  color: var(--color-text-muted);
}

.card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Service Mode & Location Badges */
.card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.service-mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text-secondary);
}

.service-mode-badge.online {
  background: var(--color-received-light);
  color: var(--color-received);
}

.service-mode-badge.in-person {
  background: var(--color-request-light);
  color: var(--color-request);
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text-muted);
}

/* Contact Info Placeholder */
.contact-placeholder {
  padding: 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
  margin-top: 0.75rem;
}

.contact-placeholder p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 0;
}

.contact-placeholder svg {
  display: block;
  margin: 0 auto 0.5rem;
  color: var(--color-text-muted);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.card-user {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.card-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.card-user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-user-name {
  font-size: 0.875rem;
  font-weight: 500;
}

.card-rating {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.star {
  width: 16px;
  height: 16px;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.star:hover {
  transform: scale(1.2);
}

.star.filled {
  fill: #fbbf24;
  stroke: #fbbf24;
}

.star.empty {
  fill: none;
  stroke: var(--color-text-muted);
}

.rating-count {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 0.25rem;
}

/* ===== Right Panel ===== */
.right-panel {
  position: sticky;
  top: 80px;
  height: fit-content;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.balance-card {
  background: linear-gradient(135deg, var(--color-offer) 0%, #0a5442 100%);
  color: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
}

.balance-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.balance-header h3 {
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.9;
}

.balance-trend {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
}

.balance-trend.positive {
  color: #a7f3d0;
}

.balance-display {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.balance-number {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

.balance-unit {
  font-size: 1.125rem;
  opacity: 0.8;
}

.balance-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
}

.stat-value.earned { color: #a7f3d0; }
.stat-value.spent { color: #fcd34d; }
.stat-value.pending { color: #93c5fd; }

.stat-label {
  font-size: 0.75rem;
  opacity: 0.8;
}

/* Panel Sections */
.panel-section {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.panel-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

/* Activity List */
.activity-list {
  list-style: none;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.activity-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.activity-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-icon.earned {
  background: var(--color-offer-light);
  color: var(--color-offer);
}

.activity-icon.spent {
  background: var(--color-request-light);
  color: var(--color-request);
}

.activity-icon.received {
  background: var(--color-received-light);
  color: var(--color-received);
}

.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-text {
  font-size: 0.875rem;
  line-height: 1.4;
}

.activity-text strong {
  font-weight: 600;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Leaderboard */
.leaderboard-list {
  list-style: none;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0;
}

.leaderboard-rank {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.leaderboard-item:nth-child(1) .leaderboard-rank {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: white;
}

.leaderboard-item:nth-child(2) .leaderboard-rank {
  background: linear-gradient(135deg, #9ca3af, #6b7280);
  color: white;
}

.leaderboard-item:nth-child(3) .leaderboard-rank {
  background: linear-gradient(135deg, #d97706, #b45309);
  color: white;
}

.leaderboard-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.leaderboard-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leaderboard-info {
  flex: 1;
}

.leaderboard-name {
  font-size: 0.875rem;
  font-weight: 500;
}

.leaderboard-hours {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Reviews */
.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.review-item {
  padding: 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.5rem;
}

.review-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.review-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-name {
  font-size: 0.8125rem;
  font-weight: 500;
  flex: 1;
}

.review-stars {
  display: flex;
  gap: 2px;
}

.review-stars svg {
  width: 12px;
  height: 12px;
  fill: #fbbf24;
  stroke: #fbbf24;
}

.review-text {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: fadeIn var(--transition-fast);
}

.modal-overlay.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.close-btn:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.listing-form {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.required {
  color: var(--color-error);
}

.type-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.type-btn:hover {
  border-color: var(--color-text-muted);
}

.type-btn.active[data-form-type="offer"] {
  border-color: var(--color-offer);
  background: var(--color-offer-light);
  color: var(--color-offer);
}

.type-btn.active[data-form-type="request"] {
  border-color: var(--color-request);
  background: var(--color-request-light);
  color: var(--color-request);
}

/* Service Mode Selector */
.service-mode-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.mode-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-btn:hover {
  border-color: var(--color-text-muted);
}

.mode-btn.active {
  border-color: var(--color-offer);
  background: var(--color-offer-light);
  color: var(--color-offer);
}

.location-field.hidden {
  display: none;
}

.field-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.375rem;
}

.listing-form input[type="text"],
.listing-form input[type="number"],
.listing-form select,
.listing-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  background: var(--color-card);
  transition: all var(--transition-fast);
}

.listing-form input:focus,
.listing-form select:focus,
.listing-form textarea:focus {
  outline: none;
  border-color: var(--color-offer);
  box-shadow: 0 0 0 3px var(--color-offer-light);
}

.listing-form input.error,
.listing-form select.error,
.listing-form textarea.error {
  border-color: var(--color-error);
}

.error-message {
  display: block;
  font-size: 0.75rem;
  color: var(--color-error);
  margin-top: 0.25rem;
  min-height: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.cancel-btn {
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cancel-btn:hover {
  background: var(--color-bg);
  border-color: var(--color-text-muted);
}

.submit-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-offer);
  color: white;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.submit-btn:hover {
  background: var(--color-offer-hover);
}

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 300;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-success);
  animation: slideIn var(--transition-normal);
}

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

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-icon {
  flex-shrink: 0;
}

.toast-icon.success { color: var(--color-success); }
.toast-icon.error { color: var(--color-error); }
.toast-icon.warning { color: var(--color-warning); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: 0.9375rem;
}

.toast-message {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
  transition: color var(--transition-fast);
}

.toast-close:hover {
  color: var(--color-text-primary);
}

/* ===== Utilities ===== */
.hidden {
  display: none !important;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .main-container {
    grid-template-columns: 220px 1fr 280px;
  }
}

@media (max-width: 1024px) {
  .main-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar,
  .right-panel {
    position: static;
    display: none;
  }
  
  .navbar-center {
    max-width: 400px;
  }
}

@media (max-width: 640px) {
  .navbar {
    padding: 0.75rem 1rem;
  }
  
  .navbar-center {
    display: none;
  }
  
  .main-container {
    padding: 1rem;
  }
  
  .content-header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .post-btn {
    width: 100%;
    justify-content: center;
  }
  
  .listings-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}