/* Page: Exchanges (page-exchanges.php) */

/* ========== HERO ========== */
.exchanges-hero {
    padding: 140px 0 var(--space-2xl);
    background: linear-gradient(180deg, var(--bg-muted) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}
.exchanges-hero__bg {
    position: absolute; top: 0; right: 0;
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
    opacity: 0.8;
    animation: pulse 8s ease-in-out infinite;
}
.exchanges-hero__title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}
.exchanges-hero__title em {
    font-style: italic;
    color: var(--accent);
}
.exchanges-hero__subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: var(--space-xl);
}
.exchanges-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: 14px;
    color: var(--text-tertiary);
}
.exchanges-hero__meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ========== FILTERS ========== */
.filters {
    padding: var(--space-md) 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 72px;
    z-index: 100;
}
.filters__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.filters__row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}
.filters__search {
    position: relative;
    flex: 0 0 220px;
}
.filters__search-input {
    width: 100%;
    padding: 8px 12px 8px 34px;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: all var(--transition-fast);
}
.filters__search-input::placeholder { color: var(--text-tertiary); }
.filters__search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.filters__search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
    pointer-events: none;
}
.filters__select {
    padding: 8px 32px 8px 12px;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238B949E' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    outline: none;
    transition: all var(--transition-fast);
}
.filters__select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.filters__label {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-right: 4px;
    white-space: nowrap;
}
.filter-btn {
    padding: 8px 16px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-muted);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.filter-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }
.filter-btn.active { background: var(--accent-dim); color: var(--text-primary); border-color: var(--accent); }

/* ========== RESULTS COUNT ========== */
.results-bar {
    padding: var(--space-lg) 0 var(--space-md);
}
.results-bar__text {
    font-size: 14px;
    color: var(--text-tertiary);
}
.results-bar__text strong {
    color: var(--text-primary);
}

/* ========== EXCHANGES GRID ========== */
.exchanges-section {
    padding: 0 0 var(--space-3xl);
}
.exchanges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

/* ========== EXCHANGE CARD ========== */
.exchange-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
}
.exchange-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.exchange-card__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}
.exchange-card__logo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-dim) 0%, var(--bg-muted) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
}
.exchange-card__rating {
    text-align: right;
}
.exchange-card__rating-value {
    font-family: var(--font-display);
    font-size: 24px;
    line-height: 1;
}
.exchange-card__rating-bar {
    width: 40px;
    height: 3px;
    background: var(--bg-muted);
    border-radius: 2px;
    margin-top: 6px;
    margin-left: auto;
    overflow: hidden;
}
.exchange-card__rating-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width var(--transition-base);
}
.exchange-card__name {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 2px;
}
.exchange-card__website {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}
.exchange-card__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}
.exchange-card__stat {
    background: var(--bg-muted);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-sm);
    text-align: center;
}
.exchange-card__stat-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}
.exchange-card__stat-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}
.exchange-card__features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--space-md);
    flex-grow: 1;
}
.exchange-card__feature-pill {
    padding: 4px 10px;
    background: var(--bg-muted);
    border-radius: var(--radius-md);
    font-size: 11px;
    color: var(--text-secondary);
}
.exchange-card__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-top: auto;
}
.exchange-card__actions .btn {
    width: 100%;
    justify-content: center;
}

/* ========== NO RESULTS ========== */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
}
.no-results__icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
    opacity: 0.4;
}
.no-results__title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}
.no-results__text {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .exchanges-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .exchanges-grid { grid-template-columns: repeat(2, 1fr); }
    .filters__row { flex-wrap: wrap; }
    .filters__search { flex: 0 0 100%; }
    .exchanges-hero__meta { flex-wrap: wrap; gap: var(--space-sm); }
}

@media (max-width: 480px) {
    .exchanges-grid { grid-template-columns: 1fr; }
    .exchange-card__actions { grid-template-columns: 1fr; }
}