/* High-Contrast Machine-Readable Clean White Style */
:root {
    --primary: #0f172a;
    --accent: #2563eb;
    --dark: #0f172a;
    --light-bg: #f8fafc;
    --border: #e2e8f0;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
body { background-color: #f8fafc; color: #1e293b; line-height: 1.5; }

.top-notice {
    background: #0f172a;
    color: #f8fafc;
    padding: 8px 24px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header {
    background: #ffffff;
    border-bottom: 2px solid var(--border);
    padding: 14px 28px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.nav-wrap {
    max-width: 1240px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 19px;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.nav-links {
    display: flex;
    gap: 12px;
}
.nav-links a {
    color: #475569;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    padding: 7px 14px;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.15s;
}
.nav-links a.active, .nav-links a:hover {
    color: var(--primary);
    background: #f1f5f9;
    border-color: #cbd5e1;
}
.layout-container {
    max-width: 1240px;
    margin: 24px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
}
.sidebar {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px;
    height: fit-content;
}
.sidebar-title {
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.filter-group {
    margin-bottom: 20px;
}
.filter-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 10px;
    font-size: 13px;
    color: #334155;
    border-radius: 5px;
    margin-bottom: 4px;
    background: #f8fafc;
    border: 1px solid #f1f5f9;
}
.filter-item.active {
    background: #e2e8f0;
    font-weight: 700;
    color: var(--primary);
}
.content-area {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.hero-banner {
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    border: 1px solid var(--border);
    border-left: 5px solid var(--primary);
    border-radius: 8px;
    padding: 22px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.hero-badge {
    display: inline-block;
    background: #dcfce7;
    color: #15803d;
    font-size: 11px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}
.kpi-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.kpi-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}
.kpi-val {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary);
}
.kpi-lbl {
    font-size: 11px;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
    margin-top: 4px;
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.prod-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
    display: flex;
    gap: 16px;
    align-items: center;
}
.prod-img-box {
    width: 100px;
    height: 140px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.prod-img-box img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}
.condition-tag {
    position: absolute;
    top: 4px;
    left: 4px;
    background: #0f172a;
    color: #ffffff;
    font-size: 9px;
    font-weight: 800;
    padding: 2px 4px;
    border-radius: 3px;
}
.prod-details {
    flex: 1;
}
.prod-name {
    font-size: 14px;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.3;
    margin-bottom: 6px;
}
.spec-row {
    font-size: 11px;
    color: #64748b;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}
.price-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.price-curr {
    font-size: 18px;
    font-weight: 900;
    color: var(--primary);
}
.btn-reserve {
    background: var(--primary);
    color: #ffffff;
    border: none;
    font-size: 11px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
}
footer {
    background: #ffffff;
    border-top: 1px solid var(--border);
    padding: 24px;
    text-align: center;
    color: #64748b;
    font-size: 12px;
    margin-top: 40px;
}