/* style.css */

/* Переменные CSS */
:root {
  --tg-theme-bg: #ffffff;
  --tg-theme-secondary-bg: #f7f8f9;
  --tg-theme-text: #000000;
  --tg-theme-hint: #999999;
  --tg-theme-link: #168acd;
  --tg-theme-button: #3390ec;
  --tg-theme-button-text: #ffffff;
  --tg-theme-accent: #3390ec;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f7f8f9;
  --bg-tertiary: #eef0f2;
  --text-primary: #1a1a1a;
  --text-secondary: #707579;
  --text-tertiary: #9e9e9e;
  --border-color: #e8e8e8;
  --border-light: #f0f0f0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 999px;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
  
  --safe-area-top: env(safe-area-inset-top);
  --safe-area-bottom: env(safe-area-inset-bottom);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: contain;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  position: relative;
}

.header {
  background: var(--bg-primary);
  padding: calc(var(--safe-area-top) + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-text {
  flex: 1;
}

.header-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--tg-theme-accent) 0%, #5babe3 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.header-icon-img {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

.header-text {
  display: flex;
  flex-direction: column;
}

.header-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: -0.3px;
}

.header-subtitle {
  font-size: 13px;
  font-weight: 500;
  color: var(--tg-theme-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Filter Toggle Button */
.filter-toggle-btn {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.filter-toggle-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--tg-theme-accent);
}

.filter-toggle-btn:active {
  transform: scale(0.95);
}

.filter-toggle-btn.active {
  background: var(--tg-theme-accent);
  border-color: var(--tg-theme-accent);
}

.filter-toggle-btn.active .filter-toggle-icon {
  filter: brightness(0) invert(1);
}

.filter-toggle-icon {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
  transition: filter var(--transition-fast);
}

.filter-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: #ff3b30;
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
  display: none;
  align-items: center;
  justify-content: center;
}

.filter-badge.visible {
  display: flex;
}

/* Filters Overlay */
.filters-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

/* Filters Dropdown */
.filters-dropdown {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  background: var(--bg-primary);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  box-shadow: var(--shadow-lg);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-slow);
}

.filters-dropdown.active {
  transform: translateX(-50%) translateY(0);
}

.filters-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--safe-area-top) + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
}

.filters-dropdown-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.filters-close-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filters-close-btn:hover {
  background: var(--bg-tertiary);
}

.filters-close-btn:active {
  transform: scale(0.95);
}

.filters-close-btn img {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.filters-dropdown-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.filters-dropdown-footer {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  background: var(--bg-primary);
}

.filters-reset-btn {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filters-reset-btn:hover {
  background: var(--bg-tertiary);
}

.filters-reset-btn:active {
  transform: scale(0.98);
}

.filters-apply-btn {
  flex: 2;
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 600;
  color: var(--tg-theme-button-text);
  background: var(--tg-theme-accent);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filters-apply-btn:hover {
  filter: brightness(1.05);
}

.filters-apply-btn:active {
  transform: scale(0.98);
}

/* Hide old filters section */
.filters-section {
  display: none;
}

.select-wrapper {
  margin-bottom: var(--spacing-lg);
}

.select-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.select-container {
  position: relative;
}

.select-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-right: 40px;
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  appearance: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.select-input:hover {
  border-color: var(--tg-theme-accent);
}

.select-input:focus {
  outline: none;
  border-color: var(--tg-theme-accent);
  box-shadow: 0 0 0 3px rgba(51, 144, 236, 0.15);
}

.select-arrow {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.filter-group {
  margin-bottom: var(--spacing-md);
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-group-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.chips-row {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}

.chip:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-tertiary);
}

.chip:active {
  transform: scale(0.97);
}

.chip.active {
  background: var(--tg-theme-accent);
  color: var(--tg-theme-button-text);
  border-color: var(--tg-theme-accent);
  box-shadow: var(--shadow-sm);
}

.chip.active:hover {
  background: #2b7dd6;
  border-color: #2b7dd6;
}

.price-chip {
  font-size: 13px;
  padding: 6px 12px;
}

.results-section {
  flex: 1;
  padding-bottom: 100px;
}

.results-header {
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.results-count {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.list {
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-lg);
}

.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px var(--spacing-lg);
  color: var(--text-tertiary);
  font-size: 15px;
}

.empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  opacity: 0.6;
}

/* Load More Button */
.load-more-wrapper {
  grid-column: 1 / -1;
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 500;
  color: var(--tg-theme-accent);
  background: var(--bg-primary);
  border: 1px solid var(--tg-theme-accent);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.load-more-btn:hover {
  background: rgba(51, 144, 236, 0.08);
}

.load-more-btn:active {
  transform: scale(0.98);
}

.card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  overflow: hidden;
  width: 100%;
}

.flat-card {
  cursor: pointer;
  position: relative;
  width: 100%;
}


.flat-card:hover::before {
  opacity: 1;
}

.flat-card:hover {
  box-shadow: var(--shadow-md), 0 0 20px rgba(51, 144, 236, 0.1);
  transform: translateY(-3px);
  border-color: transparent;
}

.flat-card:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.flat-card.selected {
  border: 2px solid var(--tg-theme-accent);
  box-shadow: 0 0 0 4px rgba(51, 144, 236, 0.12);
}

.flat-card.selected:hover {
  box-shadow: 0 0 0 4px rgba(51, 144, 236, 0.2);
}

.card-image-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.card-image {
  width: 100%;
  aspect-ratio: 379 / 474;
  background-color: var(--bg-tertiary);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform var(--transition-slow);
}


.card-content {
  padding: var(--spacing-md);
  position: relative;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* Декоративный угловой элемент */
.card-content::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, transparent 50%, rgba(51, 144, 236, 0.08) 50%);
  pointer-events: none;
}

/* Декоративная линия акцента */
.card-content::after {
  content: '';
  position: absolute;
  left: 0;
  top: var(--spacing-md);
  bottom: var(--spacing-md);
  width: 3px;
  background: linear-gradient(180deg, var(--tg-theme-accent) 0%, rgba(51, 144, 236, 0.2) 100%);
  border-radius: 0 2px 2px 0;
}

.card-title-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  padding-left: var(--spacing-sm);
  border-bottom: 1px dashed var(--border-color);
  position: relative;
}

.card-number {
  font-size: 10px;
  font-weight: 600;
  color: var(--tg-theme-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-number::before {
  content: '';
  width: 16px;
  height: 16px;
  background-image: url('assets/icon-building.svg');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.7;
  filter: invert(45%) sepia(98%) saturate(1653%) hue-rotate(196deg) brightness(97%) contrast(87%);
}

.card-price {
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--tg-theme-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.card-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  padding-left: var(--spacing-sm);
}

.card-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.flat-card:hover .card-info-item {
  border-color: rgba(51, 144, 236, 0.3);
  background: rgba(51, 144, 236, 0.03);
}

.card-info-icon {
  width: 14px;
  height: 14px;
  opacity: 0.5;
  flex-shrink: 0;
}

.card-info-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card-info-label {
  font-size: 9px;
  color: var(--text-tertiary);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.card-info-value {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-building-info {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-sm);
  padding-left: calc(var(--spacing-sm) + var(--spacing-sm));
  background: rgba(51, 144, 236, 0.05);
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 500;
  color: var(--tg-theme-accent);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-building-info::before {
  content: '';
  width: 12px;
  height: 12px;
  background-image: url('assets/icon-briefcase.svg');
  background-size: contain;
  background-repeat: no-repeat;
  filter: invert(45%) sepia(98%) saturate(1653%) hue-rotate(196deg) brightness(97%) contrast(87%);
}



/* Selection Checkmark */
.card-check {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 24px;
  height: 24px;
  background: var(--tg-theme-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.5);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.flat-card.selected .card-check {
  opacity: 1;
  transform: scale(1);
}

.card-check-icon {
  width: 16px;
  height: 16px;
}

/* Legacy card styles for compatibility */
.card-main {
  display: flex;
  gap: var(--spacing-md);
}

.card-left {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.card-meta {
  font-size: 14px;
  color: var(--tg-theme-accent);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.bottom-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  pointer-events: none;
}

.bottom-bar-inner {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-bottom: calc(var(--spacing-lg) + var(--safe-area-bottom));
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 30%);
  pointer-events: auto;
}

.main-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  color: var(--tg-theme-button-text);
  background: linear-gradient(135deg, var(--tg-theme-accent) 0%, #5babe3 100%);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.main-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  pointer-events: none;
}

.main-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(51, 144, 236, 0.35);
}

.main-btn:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-md);
}

.btn-text {
  position: relative;
  z-index: 1;
}

.btn-icon {
  width: 20px;
  height: 20px;
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast);
  filter: brightness(0) invert(1);
}

.main-btn:hover .btn-icon {
  transform: translateX(3px);
}

.list::-webkit-scrollbar,
.chips-row::-webkit-scrollbar {
  height: 4px;
  width: 4px;
}

.list::-webkit-scrollbar-track,
.chips-row::-webkit-scrollbar-track {
  background: transparent;
}

.list::-webkit-scrollbar-thumb,
.chips-row::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

.list::-webkit-scrollbar-thumb:hover,
.chips-row::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ===== Loading State ===== */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.loading-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.loading-card .skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

/* ===== Responsive ===== */
@media (max-width: 375px) {
  :root {
    --spacing-lg: 14px;
  }
  
  .card-image-wrapper {
    height: 100px;
  }
  
  .card-number {
    font-size: 10px;
  }
  
  .card-price {
    font-size: 14px;
  }
  
  .card-info-label {
    font-size: 9px;
  }
  
  .card-info-value {
    font-size: 12px;
  }
}

/* ===== Dark Mode Support (for Telegram) ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1c1c1e;
    --bg-secondary: #000000;
    --bg-tertiary: #2c2c2e;
    --text-primary: #ffffff;
    --text-secondary: #98989e;
    --text-tertiary: #636366;
    --border-color: #38383a;
    --border-light: #2c2c2e;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3);
  }
  
  .header-icon {
    box-shadow: none;
  }
  
  .main-btn {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  }
}

/* Dark theme class (applied by JS from Telegram) */
.dark-theme {
  --bg-primary: #1c1c1e;
  --bg-secondary: #000000;
  --bg-tertiary: #2c2c2e;
  --text-primary: #ffffff;
  --text-secondary: #98989e;
  --text-tertiary: #636366;
  --border-color: #38383a;
  --border-light: #2c2c2e;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.dark-theme .header {
  background: var(--bg-primary);
  border-bottom-color: var(--border-color);
}

.dark-theme .header-icon {
  box-shadow: none;
}

.dark-theme .card {
  background: var(--bg-primary);
  border-color: var(--border-color);
}

.dark-theme .card-content {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.dark-theme .card-info-item {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

.dark-theme .flat-card:hover .card-info-item {
  border-color: rgba(51, 144, 236, 0.5);
  background: rgba(51, 144, 236, 0.1);
}

.dark-theme .card-building-info {
  background: rgba(51, 144, 236, 0.15);
}

.dark-theme .filter-toggle-btn {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

.dark-theme .filter-toggle-btn:hover {
  background: var(--bg-primary);
}

.dark-theme .filters-dropdown {
  background: var(--bg-primary);
}

.dark-theme .filters-dropdown-header {
  border-bottom-color: var(--border-color);
}

.dark-theme .filters-close-btn {
  background: var(--bg-tertiary);
}

.dark-theme .filters-dropdown-footer {
  border-top-color: var(--border-color);
  background: var(--bg-primary);
}

.dark-theme .filters-reset-btn {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.dark-theme .chip {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.dark-theme .chip:hover {
  background: var(--bg-primary);
}

.dark-theme .chip.active {
  background: var(--tg-theme-accent);
  border-color: var(--tg-theme-accent);
}

.dark-theme .select-input {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.dark-theme .load-more-btn {
  background: var(--bg-primary);
  color: var(--tg-theme-accent);
}

.dark-theme .bottom-bar-inner {
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 30%);
}

.dark-theme .main-btn {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Инверсия темных иконок на темной теме */
.dark-theme .filter-toggle-icon,
.dark-theme .card-info-icon,
.dark-theme .filters-close-btn img,
.dark-theme .select-arrow img {
  filter: invert(1) brightness(0.9);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.filters-section {
  animation: fadeIn 0.3s ease;
}

/* ===== Selection Indicator ===== */
.flat-card.selected .card-check {
  opacity: 1;
  transform: scale(1);
}

.flat-card {
  position: relative;
}

/* ===== Ripple Effect ===== */
.chip::after,
.main-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10%);
  background-size: 1000% 1000%;
  background-position: center;
  opacity: 0;
  transition: background-size 0.5s, opacity 0.3s;
  pointer-events: none;
  border-radius: inherit;
}

.chip:active::after,
.main-btn:active::after {
  background-size: 0% 0%;
  opacity: 1;
  transition: 0s;
}

.chip {
  position: relative;
  overflow: hidden;
}

/* Toast Notification */
.toast {
  position: fixed;
  top: calc(var(--safe-area-top) + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: #1a1a1a;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-lg);
  font-size: 15px;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  z-index: 2000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100% - 32px);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-img {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}