:root {
    --tr-primary: var(--c-primary, #ed007f);
    --tr-primary-hover: #c9006b;
    --tr-primary-light: #fdf2f7;
    --tr-text-dark: #1f2937;
    --tr-text-muted: #6b7280;
    --tr-border: #e5e7eb;
    --tr-bg-light: #f9fafb;
    --tr-white: #ffffff;
    --tr-seat-avail: #ffffff;
    --tr-seat-avail-border: #9ca3af;
    --tr-seat-selected: #ed007f;
    --tr-seat-booked: #d1d5db;
    --tr-seat-booked-text: #9ca3af;
    --tr-radius-sm: 6px;
    --tr-radius-md: 10px;
    --tr-radius-lg: 16px;
    --tr-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.train-landing {
    font-family: inherit;
    color: var(--tr-text-dark);
    background-color: #fff;
    padding-bottom: 50px;
}

/* ─── Hero Section & Search Overlay kế thừa trực tiếp từ landing-flights.css (.lf-hero, .lf-search-overlay) ─── */
.lf-search-overlay .local-search-box {
    box-shadow: 0 12px 36px rgba(0,0,0,.22);
    border-radius: 16px;
    background: #fff;
    min-height: 0;
}
.lf-search-overlay .ls-flight-fields {
    padding: 18px 22px 22px;
}
.lf-search-overlay .ls-flight-top {
    padding: 18px 22px 0;
}

/* ─── Sections Styling ────────────────────────────── */
.train-section {
    max-width: 1140px;
    margin: 50px auto;
    padding: 0 15px;
}
.train-sec-header {
    margin-bottom: 24px;
}
.train-sec-header h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--tr-text-dark);
    margin-bottom: 6px;
}
.train-sec-header p {
    font-size: 14px;
    color: var(--tr-text-muted);
    margin-bottom: 0;
}

/* Featured Routes Grid */
.train-routes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.train-route-card {
    background: #fff;
    border-radius: var(--tr-radius-md);
    overflow: hidden;
    border: 1px solid var(--tr-border);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}
.train-route-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}
.train-route-img {
    height: 140px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.train-route-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #ed007f 0%, #b81e76 100%);
    color: #fff;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .2px;
    box-shadow: 0 2px 8px rgba(214,36,140,.35);
}
.train-route-body {
    padding: 14px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.train-route-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--tr-text-dark);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.train-route-meta {
    font-size: 13px;
    color: var(--tr-text-muted);
    margin-bottom: 12px;
}
.train-route-meta span {
    margin-right: 10px;
}
.train-route-price-wrap {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-top: 1px dashed var(--tr-border);
    padding-top: 10px;
}
.train-route-price-wrap .lbl {
    font-size: 12px;
    color: var(--tr-text-muted);
}
.train-route-price {
    font-size: 16px;
    font-weight: 800;
    color: var(--tr-primary);
}

/* Popular Trains Showcase */
.train-types-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.train-type-card {
    background: var(--tr-bg-light);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-md);
    padding: 20px;
    transition: all 0.2s ease;
}
.train-type-card:hover {
    border-color: var(--tr-primary);
    background: #fff;
}
.train-type-icon {
    width: 44px;
    height: 44px;
    background: var(--tr-primary-light);
    color: var(--tr-primary);
    border-radius: var(--tr-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 14px;
}
.train-type-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--tr-text-dark);
}
.train-type-card p {
    font-size: 13px;
    color: var(--tr-text-muted);
    line-height: 1.5;
    margin-bottom: 12px;
}
.train-type-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.train-type-tag {
    background: #fff;
    border: 1px solid #d1d5db;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    color: #4b5563;
}

/* USP Cards */
.train-usp-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.train-usp-item {
    text-align: center;
    padding: 24px 16px;
    background: #fff;
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-md);
}
.train-usp-icon {
    width: 54px;
    height: 54px;
    background: var(--tr-primary-light);
    color: var(--tr-primary);
    border-radius: 50%;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.train-usp-item h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}
.train-usp-item p {
    font-size: 13px;
    color: var(--tr-text-muted);
    margin-bottom: 0;
    line-height: 1.4;
}

/* FAQ Accordion */
.train-faq-list {
    background: #fff;
    border-radius: var(--tr-radius-md);
    border: 1px solid var(--tr-border);
    overflow: hidden;
}
.train-faq-item {
    border-bottom: 1px solid var(--tr-border);
}
.train-faq-item:last-child {
    border-bottom: none;
}
.train-faq-q {
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 700;
    color: var(--tr-text-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}
.train-faq-q:hover {
    color: var(--tr-primary);
}
.train-faq-a {
    display: none;
    padding: 0 20px 16px;
    font-size: 14px;
    color: #4b5563;
    line-height: 1.6;
}
.train-faq-item.active .train-faq-a {
    display: block;
}
/* ─── Region Pill Tabs (Đồng bộ vé máy bay) ────────── */
.train-region-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding-bottom: 4px;
}
.train-region-tab {
    background: #ffffff;
    border: 1px solid var(--tr-border);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    color: var(--tr-text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.train-region-tab:hover {
    border-color: var(--tr-primary);
    color: var(--tr-primary);
}
.train-region-tab.active {
    background: var(--tr-primary);
    border-color: var(--tr-primary);
    color: #ffffff;
}
.train-region-panel {
    display: none;
}
.train-region-panel.active {
    display: block;
}

/* ─── Tools Grid (Đồng bộ vé máy bay) ──────────────── */
.train-tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.train-tool-card {
    background: #ffffff;
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.train-tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    border-color: var(--tr-primary);
}
.train-tool-icon {
    width: 48px;
    height: 48px;
    background: var(--tr-primary-light);
    color: var(--tr-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.train-tool-content h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--tr-text-dark);
}
.train-tool-content p {
    font-size: 12px;
    color: var(--tr-text-muted);
    margin: 0;
    line-height: 1.4;
}

/* ─── Responsive Media Queries ────────────────────── */
@media (max-width: 1024px) {
    .train-routes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .train-types-grid {
        grid-template-columns: 1fr;
    }
    .train-usp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .train-routes-grid {
        grid-template-columns: 1fr;
    }
    .train-usp-grid {
        grid-template-columns: 1fr;
    }
    .train-tools-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .lf-search-overlay {
        margin-top: -52px;
    }
}

/* ─── MOBILE: khối tìm kiếm vé tàu (.vmb-search) đồng bộ /ve-xe ─── */
@media (max-width: 767px) {
    .lf-search-overlay {
        padding: 0 12px;
    }
    .lf-search-overlay .vmb-search {
        width: 100%;
    }
    .lf-search-overlay .vmb-card {
        max-width: none;
        margin: 0;
        padding: 14px 12px;
        gap: 10px;
    }
    .lf-search-overlay .vmb-route {
        background: #fff;
        border-radius: 14px;
    }
    .lf-search-overlay .vmb-od {
        padding: 10px 14px;
    }
    .lf-search-overlay #trainFromField {
        padding-right: 26px;
    }
    .lf-search-overlay #trainToField {
        padding-left: 26px;
    }
    .lf-search-overlay .vmb-od-code {
        font-size: 22px;
    }
    .lf-search-overlay .vmb-submit {
        width: 100%;
    }
}