/* ============================================================
   Hreedom AI Frontend — giống wikivacuums.com
   ============================================================ */
:root {
    --hai-primary:    #0f766e;
    --hai-primary-lt: #e6f7f6;
    --hai-orange:     #f97316;
    --hai-orange-dk:  #ea6500;
    --hai-text:       #1e293b;
    --hai-text2:      #64748b;
    --hai-border:     #e2e8f0;
    --hai-bg:         #fff;
    --hai-bg2:        #f8fafc;
    --hai-success:    #16a34a;
    --hai-danger:     #dc2626;
    --hai-radius:     12px;
    --hai-shadow:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --hai-shadow-lg:  0 4px 16px rgba(0,0,0,.10);
}

/* ── Section heading ─────────────────────────────────────── */
.hai-list-heading {
    font-size: 22px;
    font-weight: 700;
    color: var(--hai-text);
    margin: 0 0 20px;
    padding-left: 12px;
    border-left: 4px solid var(--hai-primary);
}

/* ── Product list wrapper ────────────────────────────────── */
.hai-list {
    margin: 32px 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* ── Single product item ─────────────────────────────────── */
.hai-item {
    background: var(--hai-bg);
    border: 1px solid var(--hai-border);
    border-radius: var(--hai-radius);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--hai-shadow);
    transition: box-shadow .2s;
}
.hai-item:hover { box-shadow: var(--hai-shadow-lg); }

/* ── Header row ──────────────────────────────────────────── */
.hai-item-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
}

/* Number badge */
.hai-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--hai-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
}

/* Label badge (Best Seller etc) */
.hai-badge-label {
    display: inline-block;
    background: #fef3c7;
    color: #92400e;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    padding: 2px 8px;
    border-radius: 20px;
    margin-bottom: 6px;
}

/* Image */
.hai-item-img {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--hai-bg2);
    display: flex;
    align-items: center;
    justify-content: center;
}
.hai-item-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.hai-img-empty {
    width: 100%;
    height: 100%;
    background: var(--hai-bg2);
}

/* Info column */
.hai-item-info {
    flex: 1;
    min-width: 0;
}
.hai-item-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 6px;
    color: var(--hai-text);
}
.hai-item-title a {
    color: inherit;
    text-decoration: none;
}
.hai-item-title a:hover { color: var(--hai-primary); text-decoration: underline; }
.hai-item-brand {
    display: block;
    font-size: 12px;
    color: var(--hai-primary);
    font-weight: 500;
    margin-bottom: 8px;
}

/* Score */
.hai-item-score {
    display: inline-flex;
    align-items: baseline;
    gap: 3px;
    background: var(--hai-primary-lt);
    border-radius: 8px;
    padding: 4px 10px;
    margin-top: 4px;
}
.hai-score-num {
    font-size: 18px;
    font-weight: 800;
    color: var(--hai-primary);
    line-height: 1;
}
.hai-score-sep { font-size: 12px; color: var(--hai-text2); }
.hai-score-lbl {
    font-size: 11px;
    font-weight: 600;
    color: var(--hai-primary);
    text-transform: uppercase;
    letter-spacing: .3px;
    cursor: help;
}
.hai-score-info {
    background: none;
    border: none;
    font-size: 13px;
    cursor: pointer;
    color: var(--hai-text2);
    padding: 0 0 0 3px;
}

/* CTA */
.hai-item-cta {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding-top: 4px;
}
.hai-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--hai-orange);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 10px 18px;
    border-radius: 8px;
    text-decoration: none;
    white-space: nowrap;
    transition: background .15s, transform .1s;
}
.hai-cta-btn:hover {
    background: var(--hai-orange-dk);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}
.hai-disc {
    font-size: 10px;
    color: var(--hai-text2);
    text-align: center;
    display: block;
    max-width: 140px;
}

/* ── Accordion sections ──────────────────────────────────── */
.hai-accordions {
    border-top: 1px solid var(--hai-border);
}

.hai-accordion {
    border-bottom: 1px solid var(--hai-border);
}
.hai-accordion:last-child { border-bottom: none; }

.hai-acc-trigger {
    width: 100%;
    background: var(--hai-bg2);
    border: none;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    transition: background .15s;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--hai-text);
    text-align: left;
}
.hai-acc-trigger:hover { background: #f1f5f9; }
.hai-acc-trigger[aria-expanded="true"] { background: #f1f5f9; }

.hai-acc-label { display: flex; align-items: center; gap: 7px; flex: 1; min-width: 0; }
.hai-acc-toggle {
    font-size: 12px;
    font-weight: 600;
    color: var(--hai-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    flex-shrink: 0;
    line-height: 1;
}
.hai-acc-toggle-text { font-size: 12px; font-weight: 600; color: var(--hai-primary); line-height: 1; }
.hai-acc-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .2s;
    font-size: 11px;
    line-height: 1;
    transform: translateY(0);
}
.hai-acc-trigger[aria-expanded="true"] .hai-acc-arrow { transform: rotate(180deg); }

.hai-acc-body {
    padding: 16px 20px 20px;
    background: var(--hai-bg);
}
.hai-acc-body.hai-acc-closed { display: none !important; }

/* ── Icon ✓ / ✗ dùng chung ───────────────────────────────── */
.hai-pc-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    flex-shrink: 0;
    margin-right: 8px;
    margin-top: 3px;
}
.hai-pc-yes { background: rgba(22,163,74,.12); color: var(--hai-success); }
.hai-pc-no  { background: rgba(220,38,38,.12); color: var(--hai-danger); }

/* Pros / Cons — 2 cột song song ─────────────────────────── */
.hai-pc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.hai-pros h4, .hai-cons h4 {
    font-size: 13px;
    font-weight: 700;
    margin: 0 0 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.hai-pros h4 { color: var(--hai-success); }
.hai-cons h4 { color: var(--hai-danger); }
.hai-pros h4 .hai-pc-icon, .hai-cons h4 .hai-pc-icon { margin-right: 0; margin-top: 0; }
.hai-pros ul, .hai-cons ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.hai-pros li, .hai-cons li {
    font-size: 14px; line-height: 1.6; color: var(--hai-text);
    display: flex; align-items: flex-start;
}

@media (max-width: 640px) {
    .hai-pc-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* Detailed review */
.hai-review-body { font-size: 14px; line-height: 1.7; color: var(--hai-text); }
.hai-review-body p { margin: 0 0 12px; }
.hai-review-body p:last-child { margin-bottom: 0; }

/* Key features */
.hai-features-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.hai-features-list li {
    font-size: 14px; line-height: 1.6; color: var(--hai-text);
    display: flex; align-items: flex-start;
}
.hai-features-list li strong { color: var(--hai-text); font-weight: 700; }

/* Use cases */
.hai-use-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.hai-use-list li {
    font-size: 14px; line-height: 1.6; color: var(--hai-text);
    display: flex; align-items: flex-start;
}

/* ── Grid ────────────────────────────────────────────────── */
.hai-grid { display: grid; gap: 16px; margin: 24px 0; }
.hai-grid-1 { grid-template-columns: 1fr; }
.hai-grid-2 { grid-template-columns: repeat(2, 1fr); }
.hai-grid-3 { grid-template-columns: repeat(3, 1fr); }
.hai-grid-4 { grid-template-columns: repeat(4, 1fr); }

.hai-grid-item {
    background: var(--hai-bg);
    border: 1px solid var(--hai-border);
    border-radius: var(--hai-radius);
    overflow: hidden;
    box-shadow: var(--hai-shadow);
    transition: box-shadow .2s, transform .2s;
    position: relative;
}
.hai-grid-item:hover { box-shadow: var(--hai-shadow-lg); transform: translateY(-2px); }
.hai-grid-img { aspect-ratio: 1; background: var(--hai-bg2); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hai-grid-img img { width: 100%; height: 100%; object-fit: contain; }
.hai-grid-body { padding: 12px; display: flex; flex-direction: column; gap: 8px; }

/* ── Card ────────────────────────────────────────────────── */
.hai-card { background: var(--hai-bg); border: 1px solid var(--hai-border); border-radius: var(--hai-radius); display: flex; gap: 16px; padding: 16px; box-shadow: var(--hai-shadow); margin: 16px 0; }
.hai-card-img { width: 100px; height: 100px; flex-shrink: 0; background: var(--hai-bg2); border-radius: 8px; overflow: hidden; }
.hai-card-img img { width: 100%; height: 100%; object-fit: contain; }
.hai-card-body { display: flex; flex-direction: column; gap: 8px; flex: 1; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
    .hai-item-header { flex-wrap: wrap; }
    .hai-item-img { width: 80px; height: 80px; }
    .hai-item-cta { width: 100%; }
    .hai-cta-btn { width: 100%; justify-content: center; }
    .hai-grid-3, .hai-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 400px) {
    .hai-grid-2, .hai-grid-3, .hai-grid-4 { grid-template-columns: 1fr; }
}

.hai-acc-body.hai-acc-closed{display:none!important}