/* ==================== BASE STYLES - Compare Bar ==================== */

/* Compare Bar */
.qh-compare-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s ease;
    z-index: 12000;
    pointer-events: none;
}

.qh-compare-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Overlay hiện cả desktop vì drawer dùng ở mọi kích thước */

/* ══ Drawer: y hệt qh-advanced-filter-drawer ══ */
.qh-compare-bar {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 12001;
    width: min(440px, 92vw);
    height: 100dvh;
    background: #fff;
    box-shadow: -12px 0 28px rgba(15, 23, 42, 0.16);
    transform: translateX(100%);
    transition: transform 0.24s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    pointer-events: none;
}

.qh-compare-bar.active {
    transform: translateX(0);
    pointer-events: auto;
}

/* Inner = flex column: items cuộn, actions ghim dưới — giống qh-advanced-filter-drawer */
.qh-compare-bar-inner {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Items = scrollable body, giống qh-advanced-filter-body */
.qh-compare-bar-items {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    height: auto;
    padding: 14px 18px 8px;
    gap: 10px;
    align-items: stretch;
    box-sizing: border-box;
}

.qh-compare-bar-items.qh-compare-bar-items--has-items {
    display: flex;
}

.qh-compare-empty-state {
    margin: 0;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    color: #9ca3af;
    font-size: 14px;
    font-weight: 400;
    font-style: italic;
}

.qh-compare-empty-state i {
    font-size: 18px;
    color: #d1d5db;
    flex-shrink: 0;
}

.qh-compare-bar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--qh-white);
    border-radius: var(--qh-radius-sm);
    padding: 10px 34px 10px 12px;
    min-width: 0;
    max-width: none;
    width: 100%;
    height: 64px;
    flex-shrink: 0;
    position: relative;
    border: 1px solid var(--qh-border);
    border-left: 3px solid var(--qh-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: visible;
    transition: box-shadow 0.2s ease;
    box-sizing: border-box;
}

.qh-compare-bar-item:hover {
    box-shadow: 0 4px 14px rgba(185, 28, 28, 0.12);
}

.qh-compare-bar-items.qh-compare-bar-items--full {
    display: flex;
    flex-direction: column;
}

.qh-compare-bar-item img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
    border: 1px solid var(--qh-border);
}

.qh-compare-bar-item-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.qh-compare-bar-item-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--qh-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.qh-compare-bar-item-price {
    font-size: 13px;
    font-weight: 700;
    color: var(--qh-primary);
}

.qh-compare-bar-item-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ef4444;
    color: white;
    border: 2px solid var(--qh-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    line-height: 1;
    padding: 0;
    transition: all 0.2s;
    z-index: 10;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.35);
}

.qh-compare-bar-item-remove:hover {
    transform: scale(1.2);
    background: #dc2626;
}

.qh-compare-bar-slot {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    border: 2px dashed #e5e7eb;
    border-radius: var(--qh-radius-sm);
    height: 56px;
    flex-shrink: 0;
    color: #d1d5db;
    transition: border-color 0.2s, color 0.2s;
    cursor: default;
    box-sizing: border-box;
}

.qh-compare-bar-slot i {
    font-size: 18px;
}

.qh-compare-bar-slot span {
    font-size: 13px;
    font-weight: 500;
}

/* Actions = footer ghim dưới, giống qh-advanced-filter-foot */
.qh-compare-bar-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-shrink: 0;
    padding: 14px 18px 18px;
    border-top: 1px solid #eef2f7;
    background: #fff;
}

/* Nút Xóa — giống .qh-filter-btn + .qh-filter-btn-reset */
.qh-compare-bar-clear {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    font-family: 'Signika', sans-serif;
    line-height: 1.4;
    background: #f3f4f6;
    color: #555;
    border: 1.5px solid #e0e0e0;
}

.qh-compare-bar-clear:hover {
    background: #e5e7eb;
    color: #333;
    border-color: #d0d0d0;
    transform: translateY(-1px);
}

/* Nút So sánh ngay — giống .qh-filter-btn + #qhAdvancedFilterApply */
.qh-compare-bar-go {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    font-family: 'Signika', sans-serif;
    line-height: 1.4;
    background: var(--qh-primary);
    color: #fff;
    border: 1.5px solid var(--qh-primary);
}

.qh-compare-bar-go:hover:not(:disabled) {
    background: var(--qh-primary-hover);
    color: #fff;
    border-color: var(--qh-primary-hover);
    transform: translateY(-1px);
}

.qh-compare-bar-go:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.qh-compare-bar-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--qh-border);
    background: var(--qh-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.qh-compare-bar-toggle:hover {
    background: var(--qh-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(169, 204, 240, 0.3);
}

/* Header bar — giống qh-advanced-filter-head, hiện cả desktop */
.qh-compare-bar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid #eef2f7;
    background: #fff;
    flex-shrink: 0;
}

.qh-compare-bar-head-title {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Icon trong tiêu đề — giống .qh-advanced-filter-head h3 i */
.qh-compare-bar-head-title i {
    font-size: 22px;
    color: #1f2937;
    flex-shrink: 0;
    line-height: 1;
}

/* Nút đóng — giống .qh-advanced-filter-close */
.qh-compare-bar-head .qh-compare-bar-toggle {
    width: 34px;
    height: 34px;
    border: 1px solid #d1d5db;
    border-radius: 999px;
    background: #f9fafb;
    color: #334155;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.qh-compare-bar-head .qh-compare-bar-toggle:hover {
    background: #e5e7eb;
    transform: none;
    box-shadow: none;
}

/* Compare FAB */
.qh-compare-fab {
    position: fixed;
    bottom: 88px;
    left: 24px;
    z-index: 10001;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--qh-primary));
    color: var(--qh-text);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(169, 204, 240, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.qh-compare-fab.active {
    transform: scale(1);
    opacity: 1;
    pointer-events: auto;
}

.qh-compare-fab:hover {
    transform: scale(1.08) !important;
    box-shadow: 0 6px 24px rgba(169, 204, 240, 0.6);
}

.qh-compare-fab-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #dc2626;
    color: white;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--qh-white);
}

/* Responsive: Desktop đã là right drawer, mobile chỉ override width + safe-area */
@media (max-width: 768px) {
    .qh-compare-bar {
        width: 100vw;
    }

    .qh-compare-bar-head {
        padding: 14px;
        padding-top: max(14px, env(safe-area-inset-top));
    }

    .qh-compare-bar-head-title {
        font-size: 16px;
    }

    .qh-compare-bar-items {
        padding: 12px 12px 6px;
    }

    /* Actions footer — giống .qh-advanced-filter-foot mobile */
    .qh-compare-bar-actions {
        padding: 10px 12px;
        padding-bottom: max(10px, env(safe-area-inset-bottom));
    }

    .qh-compare-bar-clear,
    .qh-compare-bar-go {
        height: 44px;
        font-size: 13px;
        padding: 0 12px;
    }

    .qh-compare-fab {
        bottom: 74px;
        left: 16px;
        width: 46px;
        height: 46px;
    }
}