/* =====================================
   Additional Features Styles
   ===================================== */

/* Portfolio Link */
.portfolio-link,
.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.portfolio-link:hover,
.nav-link:hover {
    color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
}

.portfolio-link svg,
.nav-link svg {
    width: 18px;
    height: 18px;
}

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

.trending-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 900px) {
    .trending-grid {
        grid-template-columns: 1fr;
    }
}

.trending-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.trending-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.trending-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.trending-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.trending-item:hover {
    background: var(--color-bg-hover);
}

.trending-item-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.trending-rank {
    width: 20px;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.trending-symbol {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.trending-change {
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.trending-change.positive {
    color: var(--color-positive);
    background: var(--color-positive-bg);
}

.trending-change.negative {
    color: var(--color-negative);
    background: var(--color-negative-bg);
}

.trending-volume {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Category Filter */
.category-filter {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.category-filter::-webkit-scrollbar {
    display: none;
}

.category-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.category-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--color-accent-primary);
}

.category-btn.active {
    color: white;
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
}

/* Watchlist Button */
.watchlist-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.watchlist-btn:hover {
    color: #fbbf24;
    border-color: #fbbf24;
}

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

.watchlist-btn span {
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    background: var(--color-accent-primary);
    color: white;
    border-radius: var(--radius-full);
}

/* Watchlist Star in Table */
.col-watchlist {
    width: 40px;
    text-align: center;
}

.watchlist-star {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.watchlist-star:hover {
    color: #fbbf24;
    transform: scale(1.2);
}

.watchlist-star.active {
    color: #fbbf24;
}

.watchlist-star svg {
    width: 18px;
    height: 18px;
}

.watchlist-star.active svg {
    fill: #fbbf24;
}

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

.converter-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
}

.converter-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.converter-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.converter-input-group {
    display: flex;
    flex: 1;
    min-width: 200px;
}

.converter-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast);
}

.converter-input:focus {
    border-color: var(--color-accent-primary);
}

.converter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
    outline: none;
    min-width: 80px;
}

.converter-equals {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-muted);
    padding: 0 var(--spacing-md);
    flex-shrink: 0;
}

.converter-swap-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-primary);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
}

.converter-swap-btn:hover {
    background: var(--color-accent-secondary);
    transform: scale(1.1);
}

@media (max-width: 600px) {
    .converter-row {
        flex-direction: column;
    }

    .converter-input-group {
        width: 100%;
    }

    .converter-equals {
        display: none;
    }

    .converter-swap-btn {
        position: static;
        transform: none;
        margin: var(--spacing-sm) 0;
    }

    .converter-swap-btn:hover {
        transform: scale(1.1);
    }
}