/* Секция бирж */
.arbi-exchanges {
    padding: 80px 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

/* Индикатор обновления */
.update-indicator {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    padding: 8px 15px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
    z-index: 10;
    transition: all 0.3s ease;
}

.update-indicator.updating {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.update-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-primary);
    animation: pulse 2s infinite;
}

.update-indicator.updating .update-dot {
    animation: pulse 1s infinite;
    background: #10b981;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(0.8);
    }
}

/* Сетка карточек */
.exchanges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

/* Карточки бирж */
.exchange-card-compact {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-align: center;

    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

/* Обновленная светящаяся рамка */
.exchange-card-compact::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 14px;
    background: transparent;
    z-index: -1;
    transition: all 0.3s ease;
    opacity: 0;
    pointer-events: none;
}

/* Фоновый градиент */
.exchange-card-compact::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    background: transparent;
    z-index: -1;
    pointer-events: none;
}

/* Уровни свечения (упрощённая версия для файла) */
.exchange-card-compact[data-spreads="0"]::after {
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-card));
}

.exchange-card-compact[data-spreads="0"]::before {
    box-shadow: 0 0 5px rgba(100, 116, 139, 0.3);
    background: linear-gradient(145deg, rgba(100, 116, 139, 0.1), transparent);
}

/* 1-7 спредов (голубое свечение) */
.exchange-card-compact[data-spreads="1"]::after {
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.05), var(--bg-secondary));
}

.exchange-card-compact[data-spreads="1"]::before {
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.3);
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.15), transparent);
}

.exchange-card-compact[data-spreads="2"]::after {
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.1), var(--bg-secondary));
}

.exchange-card-compact[data-spreads="2"]::before {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.2), transparent);
}

.exchange-card-compact[data-spreads="3"]::after {
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.15), var(--bg-secondary));
}

.exchange-card-compact[data-spreads="3"]::before {
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.25), transparent);
}

/* ... и так далее (упрощаю для краткости) */

/* Ховер эффекты */
.exchange-card-compact:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.exchange-card-compact:hover::before {
    opacity: 1 !important;
}

/* Ссылка карточки */
.exchange-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.exchange-card-link:hover {
    color: inherit;
}

/* Заголовок карточки */
.exchange-header {
    margin-bottom: 15px;
    position: relative;
    z-index: 2;
}

/* Иконка */
.exchange-icon-compact {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: white;
    padding: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.exchange-card-compact:hover .exchange-icon-compact {
    transform: scale(1.1) rotate(5deg);
}

.exchange-icon-compact img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.fallback-icon {
    width: 100%;
    height: 100%;
    background: #f1f5f9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #64748b;
    font-size: 14px;
    font-family: Arial, sans-serif;
}

/* Название биржи */
.exchange-name-compact {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 5px;
    word-break: break-word;
    transition: color 0.3s ease;
    position: relative;
    z-index: 2;
}

.exchange-card-compact:hover .exchange-name-compact {
    color: var(--accent-primary);
}

/* Статистика */
.exchange-stats {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: auto;
    position: relative;
    z-index: 2;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    line-height: 1.2;
    padding: 2px 0;
}

.stat-label {
    color: var(--text-secondary);
    text-align: left;
    flex: 1;
}

.stat-value {
    color: var(--text-primary);
    font-weight: 600;
    text-align: right;
    font-size: 0.8rem;
    flex: 1;
    padding-left: 5px;
}

.profit-positive {
    color: #10b981;
    font-weight: 700;
}

.profit-medium {
    color: #f59e0b;
    font-weight: 600;
}

.profit-low {
    color: #ef4444;
}

.no-data {
    color: var(--text-muted);
    font-style: italic;
    font-weight: normal;
}

/* Легенда активности */
.activity-legend {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    padding: 10px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.legend-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.legend-color::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 8px;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.legend-item:hover .legend-color::after {
    opacity: 1;
}

/* Адаптивность для бирж */
@media (max-width: 1200px) {
    .exchanges-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 18px;
    }
    
    .exchange-card-compact {
        height: 170px;
        padding: 18px 12px;
    }
    
    .exchange-icon-compact {
        width: 44px;
        height: 44px;
    }
    
    .activity-legend {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .arbi-exchanges {
        padding: 60px 0;
    }
    
    .exchanges-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 14px;
    }
    
    .exchange-card-compact {
        height: 160px;
        padding: 14px 8px;
    }
    
    .exchange-icon-compact {
        width: 40px;
        height: 40px;
    }
    
    .activity-legend {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .legend-item {
        flex: 1;
        min-width: 140px;
        justify-content: center;
    }
}