/**
 * OOI Platform V1 — Identity Chain.
 *
 * CSS structurel minimal.
 * Les positions organiques, halos, liaisons et animations
 * restent réservés à l’intégration UI.
 */

.ooi-identity-chain {
    position: relative;
    width: 100%;
}

.ooi-identity-chain__header {
    position: relative;
}

.ooi-identity-chain__track {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.ooi-identity-chain__item {
    position: relative;
    flex: 0 0 auto;
}

.ooi-identity-chain__bubble {
    position: relative;
}

.ooi-identity-chain__trigger {
    display: block;
    color: inherit;
    text-decoration: none;
}

.ooi-identity-chain__trigger:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 5px;
}

.ooi-identity-chain__preview {
    position: absolute;
    z-index: 30;
    left: 50%;
    top: calc(100% + 0.75rem);
    transform: translateX(-50%);
}

.ooi-identity-chain__preview[hidden] {
    display: none;
}

.ooi-identity-chain__item.is-preview-open {
    z-index: 40;
}

@media (max-width: 767px) {
    .ooi-identity-chain__track {
        overflow-x: auto;
        overflow-y: visible;
        scroll-snap-type: x proximity;
        padding-bottom: 1rem;
    }

    .ooi-identity-chain__item {
        scroll-snap-align: center;
    }

    .ooi-identity-chain__preview {
        position: fixed;
        z-index: 999;
        left: 50%;
        top: auto;
        bottom: 1rem;
        transform: translateX(-50%);
    }
}


/* Variante Communauté ------------------------------------ */

.ooi-identity-chain--community {
    --ooi-community-line: rgba(114, 112, 172, .22);

    width: min(100%, 1240px);
    margin-inline: auto;
    padding: 34px 18px 42px;
    box-sizing: border-box;
}

.ooi-identity-chain--community .ooi-identity-chain__header {
    display: none;
}

@media (min-width: 768px) {
    .ooi-identity-chain--community .ooi-identity-chain__track {
        position: relative;
        display: grid;
        grid-template-columns: repeat(12, minmax(0, 1fr));
        align-items: center;
        gap: 46px 0;
        min-height: 330px;
        overflow: visible;
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__track::before {
        content: '';
        position: absolute;
        z-index: 0;
        inset: 22% 3% 20%;
        border: 1px dashed var(--ooi-community-line);
        border-radius: 50%;
        transform: rotate(-2deg);
        pointer-events: none;
    }

    .ooi-identity-chain--community .ooi-identity-chain__item {
        z-index: 1;
        grid-column: span 2;
        justify-self: center;
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(1) {
        transform: translate(-18px, 30px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(2) {
        transform: translate(12px, -22px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(3) {
        transform: translate(-8px, 12px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(4) {
        transform: translate(22px, -8px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(5) {
        transform: translate(-14px, -28px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(6) {
        transform: translate(16px, 24px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(7) {
        transform: translate(20px, -18px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(8) {
        transform: translate(-16px, 24px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(9) {
        transform: translate(14px, -6px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(10) {
        transform: translate(-20px, 28px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(11) {
        transform: translate(10px, -20px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(12) {
        transform: translate(-10px, 18px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(3n + 1)
    .ooi-identity-bubble {
        --ooi-bubble-size: clamp(92px, 8vw, 132px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(3n + 2)
    .ooi-identity-bubble {
        --ooi-bubble-size: clamp(76px, 6.6vw, 108px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(3n)
    .ooi-identity-bubble {
        --ooi-bubble-size: clamp(84px, 7.2vw, 118px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(4n)
    .ooi-identity-bubble {
        --ooi-bubble-size: clamp(68px, 5.8vw, 96px);
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item.is-preview-open {
        z-index: 50;
    }
}

@media (max-width: 767px) {
    .ooi-identity-chain--community {
        width: 100%;
        padding: 18px 0 30px;
    }

    .ooi-identity-chain--community .ooi-identity-chain__track {
        gap: 16px;
        padding: 16px 20px 26px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__track::-webkit-scrollbar {
        display: none;
    }

    .ooi-identity-chain--community .ooi-identity-bubble {
        --ooi-bubble-size: 84px;
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(3n + 2) {
        transform: translateY(12px);
    }
}

@media (prefers-reduced-motion: no-preference) {
    .ooi-identity-chain--community
    .ooi-identity-chain__bubble {
        animation: ooi-community-bubble-float 7.5s ease-in-out infinite;
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(even)
    .ooi-identity-chain__bubble {
        animation-delay: -3.5s;
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(3n)
    .ooi-identity-chain__bubble {
        animation-duration: 9.5s;
        animation-delay: -5s;
    }

    .ooi-identity-chain--community
    .ooi-identity-chain__item:nth-child(4n)
    .ooi-identity-chain__bubble {
        animation-duration: 6.5s;
        animation-delay: -2s;
    }
}

@keyframes ooi-community-bubble-float {
    0%,
    100% {
        translate: 0 0;
    }

    50% {
        translate: 5px -9px;
    }
}