/* 
 * Gift Trading MVP - Minimal Dark Theme
 * Inspired by modern Telegram design
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #161616;
    --bg-card-hover: #1c1c1c;
    --bg-input: #1a1a1a;
    
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #555555;
    
    --accent-blue: #00A3FF;
    --accent-purple: #A855F7;
    --accent-orange: #F97316;
    --accent-green: #22C55E;
    --accent-red: #EF4444;
    --accent-yellow: #EAB308;
    
    /* Markets */
    --market-getgems: #00A3FF;
    --market-portals: #A855F7;
    --market-tonnel: #F97316;
    
    /* Risk colors */
    --risk-safe: #22C55E;
    --risk-moderate: #EAB308;
    --risk-risky: #EF4444;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* Shadows */
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
    
    /* Safe area for mobile */
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ==================== App Layout ==================== */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 480px;
    margin: 0 auto;
}

.main-content {
    flex: 1;
    padding: var(--spacing-md);
    padding-bottom: calc(80px + var(--safe-area-bottom));
    overflow-y: auto;
}

/* ==================== Bottom Navigation ==================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    padding-bottom: calc(var(--spacing-md) + var(--safe-area-bottom));
    background: linear-gradient(to top, var(--bg-primary) 80%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    max-width: 480px;
    margin: 0 auto;
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

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

.nav-item.active {
    color: var(--accent-blue);
}

.nav-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.nav-item:hover .nav-icon {
    transform: scale(1.1);
}

.nav-item.active .nav-icon {
    transform: scale(1.15);
}

.nav-icon svg {
    width: 24px;
    height: 24px;
}

.nav-item span {
    font-size: 12px;
    font-weight: 500;
}

/* Icon colors */
.nav-item.active .stats-icon {
    color: var(--accent-blue);
}

.nav-item.active .trading-icon {
    color: var(--accent-green);
}

.nav-item.active .profile-icon {
    color: var(--accent-purple);
}

/* ==================== Page Header ==================== */
.page-header {
    text-align: center;
    padding: var(--spacing-lg) 0;
    padding-top: calc(var(--spacing-xl) + 10px);
}

.app-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: var(--spacing-xs);
}

.credits {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: var(--spacing-sm);
}

.credits a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.credits a:hover {
    color: var(--accent-purple);
}

/* ==================== Stats Row ==================== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.stat-card.safe .stat-value {
    color: var(--risk-safe);
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==================== Filter Section ==================== */
.filter-section {
    margin-bottom: var(--spacing-lg);
}

.budget-input-wrapper {
    margin-bottom: var(--spacing-md);
}

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

.budget-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.budget-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    padding-right: 60px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    -moz-appearance: textfield;
}

.budget-input::-webkit-outer-spin-button,
.budget-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.budget-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 163, 255, 0.15);
}

.budget-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 14px;
}

.input-suffix {
    position: absolute;
    right: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

/* Budget Presets */
.budget-presets {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.preset-btn {
    flex: 1;
    min-width: 70px;
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.preset-btn.active {
    background: var(--accent-blue);
    color: white;
}

/* ==================== Filters Row ==================== */
.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-group:first-child {
    flex: 1 1 100%;
}

.filter-group:nth-child(2) {
    flex: 1;
}

.filter-group:nth-child(3) {
    flex: 0 0 auto;
}

.filter-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.filter-pills {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.pill {
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-full);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pill:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.pill.active {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.pill.safe.active {
    background: var(--risk-safe);
    color: white;
}

.pill.moderate.active {
    background: var(--risk-moderate);
    color: var(--bg-primary);
}

.pill.risky.active {
    background: var(--risk-risky);
    color: white;
}

/* Sort Dropdown */
.sort-dropdown {
    position: relative;
    width: 100%;
}

.sort-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sort-btn:hover {
    background: var(--bg-card-hover);
}

.sort-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.sort-dropdown.open .sort-arrow {
    transform: rotate(180deg);
}

.sort-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 50;
    overflow: hidden;
}

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

.sort-option {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.sort-option.active {
    color: var(--accent-blue);
    background: rgba(0, 163, 255, 0.1);
}

/* Collection Button */
.collection-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.collection-btn svg {
    width: 18px;
    height: 18px;
}

/* ==================== Results Section ==================== */
.results-section {
    margin-bottom: var(--spacing-xl);
}

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

.results-title {
    font-size: 18px;
    font-weight: 600;
}

.results-count {
    font-size: 13px;
    color: var(--text-secondary);
}

.opportunities-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Loading Skeleton */
.loading-skeleton {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skeleton-card {
    height: 180px;
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-lg);
    animation: shimmer 1.5s infinite;
}

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

/* ==================== Opportunity Card ==================== */
.opportunity-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    animation: fadeIn var(--transition-normal);
}

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

.opportunity-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.gift-image-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    overflow: hidden;
    flex-shrink: 0;
}

.gift-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gift-info {
    flex: 1;
    min-width: 0;
}

.gift-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.model-name {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.risk-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.risk-badge.safe {
    background: rgba(34, 197, 94, 0.15);
    color: var(--risk-safe);
}

.risk-badge.moderate {
    background: rgba(234, 179, 8, 0.15);
    color: var(--risk-moderate);
}

.risk-badge.risky {
    background: rgba(239, 68, 68, 0.15);
    color: var(--risk-risky);
}

/* Trade Flow */
.trade-flow {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-input);
    border-radius: var(--radius-md);
}

.market-block {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.market-block.sell {
    text-align: right;
}

.market-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.market-name {
    font-size: 13px;
    font-weight: 600;
}

.market-price {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.flow-arrow {
    width: 24px;
    height: 24px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.flow-arrow svg {
    width: 100%;
    height: 100%;
}

/* Card Footer */
.card-footer {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.card-footer > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.profit-label, .roi-label, .supply-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profit-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-green);
}

.roi-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-blue);
}

.supply-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.supply-value.low {
    color: var(--risk-risky);
}

.supply-value.medium {
    color: var(--risk-moderate);
}

/* Load More Button */
.load-more-btn {
    width: 100%;
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    margin-top: var(--spacing-md);
    transition: all var(--transition-fast);
}

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

/* ==================== Profile Page ==================== */
.profile-page {
    padding-top: var(--spacing-md);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
}

/* Profile Header */
.profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(180deg, var(--bg-card) 0%, transparent 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 163, 255, 0.3);
}

.profile-avatar svg {
    width: 40px;
    height: 40px;
    color: white;
}

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

.profile-avatar .avatar-initials {
    font-size: 28px;
    font-weight: 700;
    color: white;
}

.profile-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.profile-username {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.profile-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.profile-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-stat .stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.profile-stat .stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Profile Sections */
.profile-section {
    margin-bottom: var(--spacing-lg);
}

.profile-section h2, .section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    margin-bottom: 0;
}

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

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

.refresh-btn.spinning svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Gifts Grid */
.gifts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.gift-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    animation: fadeIn var(--transition-normal) both;
}

.gift-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.gift-card-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    margin-bottom: var(--spacing-sm);
}

.gift-card-title {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.gift-card-model {
    font-size: 10px;
    color: var(--text-secondary);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.gift-card-price {
    font-size: 10px;
    font-weight: 600;
    color: var(--accent-green);
    margin-top: 2px;
}

/* Empty Gifts */
.empty-gifts {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-gifts svg {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.empty-gifts p {
    font-size: 14px;
    max-width: 240px;
}

.retry-btn {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-blue);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.retry-btn:hover {
    background: #0090e0;
}

/* Loading Placeholder */
.loading-placeholder {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--bg-card-hover);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

.loading-placeholder p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Menu List */
.menu-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.menu-item:hover {
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.menu-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.menu-icon svg {
    width: 22px;
    height: 22px;
    color: white;
}

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

.menu-title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.menu-subtitle {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.menu-arrow {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* Info Card */
.info-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.info-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.info-credits {
    margin-top: var(--spacing-sm);
    font-size: 12px !important;
    color: var(--text-muted) !important;
}

.info-credits a {
    color: var(--accent-blue);
    text-decoration: none;
}

.info-credits a:hover {
    text-decoration: underline;
}

.info-card.warning {
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.3);
}

.info-card.warning p:first-child {
    color: var(--accent-orange);
    font-size: 12px;
}

/* Gift Detail Modal */
.gift-detail {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.gift-detail-image {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    object-fit: contain;
    background: var(--bg-card);
    margin-bottom: var(--spacing-md);
}

.gift-detail-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.gift-detail-model {
    font-size: 14px;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-xs);
}

.gift-detail-backdrop {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.gift-detail-info {
    width: 100%;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--bg-input);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row span:first-child {
    color: var(--text-secondary);
    font-size: 13px;
}

.info-row span:last-child {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
}

.gift-link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: var(--accent-blue);
    border-radius: var(--radius-md);
    color: white;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.gift-link-btn:hover {
    background: #0090e0;
    transform: translateY(-2px);
}

/* ==================== Error Pages ==================== */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 60vh;
    padding: var(--spacing-xl);
}

.error-code {
    font-size: 72px;
    font-weight: 700;
    color: var(--text-muted);
    line-height: 1;
}

.error-title {
    font-size: 20px;
    font-weight: 600;
    margin-top: var(--spacing-md);
}

.error-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

.error-btn {
    display: inline-block;
    background: var(--accent-blue);
    color: white;
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-top: var(--spacing-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.error-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 163, 255, 0.3);
}

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    color: var(--text-muted);
}

/* ==================== Modal ==================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 420px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

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

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-body {
    padding: var(--spacing-lg);
}

/* Detail Modal */
.detail-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.detail-image {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    margin-bottom: var(--spacing-md);
    object-fit: contain;
}

.detail-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.detail-model {
    font-size: 14px;
    color: var(--text-secondary);
}

.detail-section {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.detail-section-title {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.detail-trade-flow {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.detail-market {
    flex: 1;
    text-align: center;
}

.detail-market-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.detail-market-price {
    font-size: 18px;
    font-weight: 700;
}

.detail-arrow {
    width: 24px;
    height: 24px;
    color: var(--accent-green);
}

.detail-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.detail-stat {
    text-align: center;
}

.detail-stat-value {
    font-size: 20px;
    font-weight: 700;
}

.detail-stat-value.profit {
    color: var(--accent-green);
}

.detail-stat-value.roi {
    color: var(--accent-blue);
}

.detail-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

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

.detail-info-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.detail-info-item span:first-child {
    color: var(--text-muted);
}

.detail-info-item span:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

/* Collections Modal */
.collections-modal-content {
    max-width: 480px;
    max-height: 80vh;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    padding-bottom: 0;
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 700;
}

.modal-header .modal-close {
    position: static;
}

.collections-search {
    padding: var(--spacing-md) var(--spacing-lg);
}

.collections-search input {
    width: 100%;
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    color: var(--text-primary);
}

.collections-search input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-blue);
}

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

.collections-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    max-height: 50vh;
    overflow-y: auto;
}

.collection-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.collection-item:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.collection-item.selected {
    border-color: var(--accent-blue);
    background: rgba(0, 163, 255, 0.1);
}

.collection-item img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    object-fit: contain;
}

.collection-item-name {
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.collection-item-floor {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Collections Actions */
.collections-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-lg) var(--spacing-md);
}

#selected-count {
    flex: 1;
    font-size: 13px;
    color: var(--text-secondary);
}

.reset-collections-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.apply-collections-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-blue);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.apply-collections-btn:hover {
    background: #0090e0;
    transform: translateY(-1px);
}

/* Detail Modal - Action Buttons */
.detail-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: white;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    filter: brightness(1.1);
}

.action-btn svg {
    flex-shrink: 0;
}

.buy-btn {
    background: var(--accent-blue);
}

.sell-btn {
    background: var(--accent-green);
}

/* Detail Warning */
.detail-warning {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(249, 115, 22, 0.15);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 12px;
    color: var(--accent-orange);
}

.detail-warning svg {
    flex-shrink: 0;
}

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ==================== Stats Page ==================== */
.stats-page {
    padding-top: var(--spacing-md);
}

/* Stats Tabs */
.stats-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.stats-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.stats-tab:hover {
    color: var(--text-primary);
}

.stats-tab.active {
    background: var(--accent-blue);
    color: white;
}

/* Stats Content */
.stats-content {
    display: none;
}

.stats-content.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

/* Rate Card */
.rate-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.rate-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
}

.rate-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.rate-info {
    display: flex;
    flex-direction: column;
}

.rate-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.rate-value {
    font-size: 24px;
    font-weight: 700;
    color: white;
}

/* Overview Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.overview-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast);
}

.overview-card:hover {
    transform: translateY(-2px);
}

.overview-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.overview-icon svg {
    width: 22px;
    height: 22px;
    color: white;
}

.overview-data {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.overview-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.overview-label {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Stats Section */
.stats-section {
    margin-bottom: var(--spacing-lg);
}

.stats-section .section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Activity Cards */
.activity-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.activity-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    text-align: center;
}

.activity-label {
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.activity-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-green);
}

/* Cap Grid */
.cap-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.cap-card {
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--text-muted);
}

.cap-card.telegram { border-left-color: #0088CC; }
.cap-card.getgems { border-left-color: var(--market-getgems); }
.cap-card.portals { border-left-color: var(--market-portals); }
.cap-card.tonnel { border-left-color: var(--market-tonnel); }

.cap-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.cap-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.cap-badge {
    font-size: 9px;
    padding: 2px 6px;
    background: rgba(0, 136, 204, 0.2);
    color: #0088CC;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.cap-value {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.cap-usd {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
}

/* Total Cap Card */
.total-cap-card {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-radius: var(--radius-md);
    text-align: center;
}

.total-cap-label {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.total-cap-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.total-cap-usd {
    display: block;
    font-size: 14px;
    color: var(--accent-purple);
    font-weight: 500;
}

/* Listings Grid */
.listings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.listing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.listing-market {
    font-size: 13px;
    color: var(--text-secondary);
}

.listing-count {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Period Selector */
.period-selector {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.period-btn {
    flex: 1;
    padding: var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.period-btn:hover {
    color: var(--text-primary);
}

.period-btn.active {
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* Changes List */
.changes-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.change-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    animation: fadeIn var(--transition-normal) both;
}

.change-rank {
    width: 24px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
}

.change-image {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    background: var(--bg-input);
}

.change-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.change-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.change-floor {
    font-size: 12px;
    color: var(--text-secondary);
}

.change-percent {
    font-size: 14px;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    min-width: 60px;
    text-align: center;
}

.change-percent.positive {
    background: rgba(34, 197, 94, 0.15);
    color: var(--accent-green);
}

.change-percent.negative {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.change-percent.neutral {
    background: var(--bg-input);
    color: var(--text-muted);
}

/* Leaderboard Types */
.leaderboard-types {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.lb-type-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lb-type-btn:hover {
    color: var(--text-primary);
}

.lb-type-btn.active {
    background: var(--accent-purple);
    color: white;
}

/* Leaderboard List */
.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.lb-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    animation: fadeIn var(--transition-normal) both;
}

.lb-rank {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    background: var(--bg-input);
    border-radius: var(--radius-full);
}

.lb-rank.gold {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
}

.lb-rank.silver {
    background: linear-gradient(135deg, #C0C0C0, #A8A8A8);
    color: #000;
}

.lb-rank.bronze {
    background: linear-gradient(135deg, #CD7F32, #B8860B);
    color: #fff;
}

.lb-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: white;
}

.lb-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.lb-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lb-username {
    font-size: 12px;
    color: var(--text-secondary);
}

.lb-count {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.lb-count-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-purple);
}

.lb-count-label {
    font-size: 10px;
    color: var(--text-muted);
}

/* Empty Text */
.empty-text {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--spacing-xl);
    font-size: 14px;
}

/* ==================== Media Queries ==================== */
@media (min-width: 480px) {
    .main-content {
        padding: var(--spacing-lg);
        padding-bottom: calc(90px + var(--safe-area-bottom));
    }
    
    .filters-row {
        flex-direction: row;
        align-items: flex-end;
    }
    
    .filter-group {
        flex: 1;
    }
}