/* Search Studio loading: route scan + boarding-pass skeletons. */

.sp-list-head[hidden] {
    display: none !important;
}

.sp-loading {
    display: grid;
    justify-items: center;
    gap: 10px;
    margin: 0 0 22px;
    padding: 28px 20px 8px;
    text-align: center;
}

.sp-loading__kicker {
    margin: 0;
    font-family: var(--sp-font-data);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--sp-ink-faint);
}

.sp-loading__title {
    margin: 0;
    max-width: 28rem;
    font-family: var(--sp-font-display);
    font-size: clamp(1.35rem, 2.4vw, 1.85rem);
    font-weight: 650;
    font-stretch: 110%;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--sp-ink);
    text-wrap: balance;
}

.sp-loading__route {
    display: grid;
    grid-template-columns: auto minmax(7rem, 16rem) auto;
    align-items: center;
    gap: 14px;
    width: min(28rem, 100%);
    margin-top: 10px;
}

.sp-loading__code {
    font-family: var(--sp-font-data);
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--sp-ink);
}

.sp-loading__spine {
    position: relative;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--sp-line-strong) 12%,
        var(--sp-line-strong) 88%,
        transparent
    );
}

.sp-loading__bead {
    position: absolute;
    top: 50%;
    left: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--sp-accent);
    box-shadow: 0 0 0 4px var(--sp-accent-wash);
    transform: translate(-50%, -50%);
    animation: sp-bead 1.8s var(--sp-ease) infinite;
}

.sp-loading__ways {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 18px;
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    font-family: var(--sp-font-data);
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sp-ink-faint);
}

.sp-loading__ways li {
    animation: sp-way-scan 2.1s ease-in-out infinite;
    animation-delay: calc(var(--sp-way-i, 0) * 0.28s);
}

.sp-card-skel {
    --sp-card-rail: 13.75rem;

    display: grid;
    grid-template-columns: clamp(220px, 32%, 360px) minmax(0, 1fr) var(--sp-card-rail);
    min-height: 188px;
    overflow: hidden;
    border: 1px solid var(--sp-card-stroke);
    border-radius: var(--sp-radius-sm);
    background: var(--sp-surface);
    box-shadow: 0 4px 16px rgba(13, 21, 32, 0.07), 0 1px 2px rgba(13, 21, 32, 0.04);
    animation: sp-skel-in 0.55s var(--sp-ease) both;
    animation-delay: calc(var(--sp-skel-i, 0) * 90ms);
}

:root[data-theme="dark"] .sp-card-skel {
    box-shadow: none;
}

.sp-card-skel__media {
    min-height: 188px;
    background: var(--sp-surface-sunk);
}

.sp-card-skel__body,
.sp-card-skel__rail {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 22px 20px;
}

.sp-card-skel__rail {
    align-items: flex-end;
    border-left: 1px solid var(--sp-line);
}

.sp-card-skel__bone {
    display: block;
    border-radius: 3px;
    background: linear-gradient(
        100deg,
        var(--sp-surface-sunk) 30%,
        rgba(255, 255, 255, 0.55) 48%,
        var(--sp-surface-sunk) 64%
    );
    background-size: 220% 100%;
    animation: sp-shimmer 1.5s ease infinite;
}

:root[data-theme="dark"] .sp-card-skel__bone {
    background: linear-gradient(
        100deg,
        rgba(255, 255, 255, 0.05) 30%,
        rgba(255, 255, 255, 0.12) 48%,
        rgba(255, 255, 255, 0.05) 64%
    );
    background-size: 220% 100%;
}

.sp-card-skel__bone--kind {
    width: 5.5rem;
    height: 10px;
}

.sp-card-skel__bone--route {
    width: min(16rem, 88%);
    height: 18px;
}

.sp-card-skel__bone--facts {
    width: min(11rem, 62%);
    height: 10px;
}

.sp-card-skel__bone--price {
    width: 6.5rem;
    height: 22px;
}

.sp-card-skel__bone--cta {
    width: 7.5rem;
    height: 36px;
    border-radius: 8px;
}

@keyframes sp-bead {
    0% {
        left: 0;
        opacity: 0;
    }

    12% {
        opacity: 1;
    }

    88% {
        opacity: 1;
    }

    100% {
        left: 100%;
        opacity: 0;
    }
}

@keyframes sp-way-scan {
    0%,
    100% {
        color: var(--sp-ink-faint);
    }

    40% {
        color: var(--sp-ink);
    }
}

@keyframes sp-skel-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 900px) {
    .sp-card-skel {
        grid-template-columns: 1fr;
    }

    .sp-card-skel__media {
        min-height: 140px;
    }

    .sp-card-skel__rail {
        align-items: stretch;
        border-left: 0;
        border-top: 1px solid var(--sp-line);
        padding-top: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sp-loading__bead,
    .sp-loading__ways li,
    .sp-card-skel,
    .sp-card-skel__bone {
        animation: none;
    }

    .sp-loading__bead {
        left: 50%;
        opacity: 1;
    }
}