/* Leto Vehicles — Product Comparison
   Brand language: graphite type, signal green accents, restrained industrial surfaces. */

body {
    background: var(--brand-paper);
}

/* Banner */
.compare-banner {
    background-color: var(--brand-ink-900);
    border-bottom: 3px solid var(--brand-signal-strong);
}

.compare-banner__inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 72px 24px 66px;
}

.compare-banner__eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 18px;
    color: var(--brand-signal);
    font-family: var(--brand-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.compare-banner__eyebrow::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--brand-signal);
}

.compare-banner__title {
    margin: 0;
    color: var(--brand-surface);
    font-size: clamp(34px, 5vw, 54px);
    line-height: 1.05;
    letter-spacing: -.01em;
}

.compare-banner__desc {
    max-width: 640px;
    margin: 18px 0 0;
    color: var(--brand-line-strong);
    font-size: 16px;
    line-height: 1.65;
}

/* Page layout */
.compare-page {
    max-width: 1240px;
    margin: 0 auto;
    padding: 32px 24px 96px;
}

/* Actions bar */
.compare-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--brand-line);
}

.compare-actions__back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-ink-700);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: color var(--brand-motion);
}

.compare-actions__back:hover {
    color: var(--brand-signal-deep);
}

.compare-actions__back span {
    font-size: 16px;
}

.compare-actions__right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.compare-actions__add {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.compare-actions__add > span {
    color: var(--brand-ink-600);
    font-size: 13px;
    font-weight: 600;
}

/* Custom dropdown */
.compare-dropdown {
    position: relative;
}

.compare-dropdown__trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 220px;
    padding: 8px 12px;
    border: 1px solid var(--brand-line);
    border-radius: var(--brand-radius-sm);
    background: var(--brand-surface);
    color: var(--brand-ink-800);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    transition: border-color var(--brand-motion);
}

.compare-dropdown__trigger:hover {
    border-color: var(--brand-signal-deep);
}

.compare-dropdown__trigger:focus {
    outline: none;
    border-color: var(--brand-signal-deep);
    box-shadow: 0 0 0 3px rgba(95, 143, 23, .14);
}

.compare-dropdown__arrow {
    margin-left: 8px;
    color: var(--brand-ink-500);
    font-size: 10px;
    transition: transform var(--brand-motion);
}

.compare-dropdown__trigger[aria-expanded="true"] .compare-dropdown__arrow {
    transform: rotate(180deg);
}

.compare-dropdown__menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 10;
    min-width: 100%;
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--brand-line);
    border-radius: var(--brand-radius-sm);
    background: var(--brand-surface);
    box-shadow: var(--brand-shadow-md);
}

.compare-dropdown__item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border: none;
    background: none;
    color: var(--brand-ink-800);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--brand-motion);
}

.compare-dropdown__item:hover:not(:disabled) {
    background: var(--brand-surface-soft);
}

.compare-dropdown__item:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.compare-dropdown__item img {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 4px;
    object-fit: cover;
    background: var(--brand-surface-soft);
}

.compare-dropdown__placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 4px;
    background: var(--brand-surface-soft);
    color: var(--brand-ink-500);
    font-size: 18px;
}

.compare-actions__count {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--brand-line);
    border-radius: 999px;
    background: var(--brand-surface);
    color: var(--brand-ink-600);
    font-family: var(--brand-mono);
    font-size: 13px;
}

.compare-actions__count strong {
    color: var(--brand-ink-900);
    font-weight: 700;
}

/* Table */
.compare-results {
    border-top: 1px solid var(--brand-line);
    padding-top: 40px;
}

.compare-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--brand-line);
    border-radius: var(--brand-radius-md);
    background: var(--brand-surface);
    box-shadow: var(--brand-shadow-sm);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.compare-table th,
.compare-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--brand-line);
    text-align: left;
    vertical-align: top;
}

.compare-table thead th {
    border-bottom: 1px solid var(--brand-line-strong);
}

/* Sticky first column */
.compare-table__corner,
.compare-table tbody th {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--brand-surface);
}

.compare-table__corner {
    top: 0;
    z-index: 3;
    width: 200px;
    min-width: 180px;
    color: var(--brand-ink-500);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.compare-table tbody th {
    width: 200px;
    min-width: 180px;
    color: var(--brand-ink-600);
    font-size: 13px;
    font-weight: 600;
    box-shadow: 1px 0 0 var(--brand-line);
}

/* Product column header */
.compare-table__product {
    position: relative;
    min-width: 220px;
    padding-top: 20px;
    padding-bottom: 20px;
    background: var(--brand-paper);
}

.compare-table__remove {
    position: absolute;
    top: 10px;
    right: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 1px solid var(--brand-line);
    border-radius: 50%;
    background: var(--brand-surface);
    color: var(--brand-ink-600);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: border-color var(--brand-motion), color var(--brand-motion), background-color var(--brand-motion);
}

.compare-table__remove:hover {
    border-color: var(--brand-danger);
    color: var(--brand-danger);
}

.compare-table__media {
    display: grid;
    place-items: center;
    aspect-ratio: 4 / 3;
    margin-bottom: 14px;
    background: var(--brand-surface-soft);
    border-radius: var(--brand-radius-sm);
    overflow: hidden;
}

.compare-table__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.compare-table__ph {
    color: var(--brand-ink-500);
    font-size: 12px;
}

.compare-table__model {
    display: block;
    margin-bottom: 4px;
    color: var(--brand-signal-deep);
    font-family: var(--brand-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.compare-table__title {
    display: block;
    color: var(--brand-ink-900);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.25;
    text-decoration: none;
}

.compare-table__title:hover {
    color: var(--brand-signal-deep);
}

/* 规格切换下拉 */
.compare-table__spec {
    display: block;
    margin-top: 10px;
    font-size: 11px;
    color: var(--brand-ink-500);
}

.compare-table__spec span {
    display: block;
    margin-bottom: 4px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.compare-spec-select {
    width: 100%;
    max-width: 180px;
    padding: 6px 8px;
    border: 1px solid var(--brand-ink-200);
    border-radius: 4px;
    background: #fff;
    font-size: 13px;
    color: var(--brand-ink-900);
}

/* 多维度规格：表头按维度分组切换变体 */
.compare-table__variants {
    margin-top: 10px;
    text-align: left;
}

.compare-variant-row {
    margin-bottom: 6px;
}

.compare-variant-row__label {
    display: block;
    margin-bottom: 4px;
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--brand-ink-500);
}

.compare-variant-row__options {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.compare-variant-option {
    padding: 4px 10px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--brand-ink-900);
    background: #fff;
    border: 1px solid var(--brand-ink-200);
    border-radius: 3px;
    cursor: pointer;
    transition: border-color .15s, background .15s, color .15s;
}

.compare-variant-option:hover {
    border-color: var(--brand-ink-900);
}

.compare-variant-option:focus-visible {
    outline: 2px solid var(--brand-signal);
    outline-offset: 2px;
}

.compare-variant-option.is-active {
    color: #fff;
    background: var(--brand-ink-900);
    border-color: var(--brand-ink-900);
}

/* Group row */
.compare-table__group th {
    background: var(--brand-ink-900);
    color: var(--brand-signal);
    font-family: var(--brand-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    box-shadow: none;
}

/* Data cells */
.compare-table__row td {
    color: var(--brand-ink-800);
    font-size: 14px;
    line-height: 1.5;
}

.compare-table__row td.is-diff {
    color: var(--brand-ink-900);
    font-weight: 700;
    background: rgba(183, 243, 74, .12);
    box-shadow: inset 3px 0 0 var(--brand-signal-strong);
}

/* Empty */
.compare-empty {
    padding: 48px 0;
    color: var(--brand-ink-500);
    text-align: center;
}

/* Responsive */
@media (max-width: 991px) {
    .compare-picker__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .compare-page {
        padding: 24px 20px 64px;
    }

    .compare-banner__inner {
        padding: 56px 20px 52px;
    }

    .compare-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .compare-actions__right {
        flex-direction: column;
        align-items: stretch;
    }

    .compare-actions__add {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .compare-actions__select {
        width: 100%;
    }
}