/* ────────────────────────────────────────────────────────────────
   AEOvara – Table of Contents v1.2.0
   Premium, saavutettava ja mobiiliystävällinen sisällysluettelo
   ──────────────────────────────────────────────────────────────── */

.aeovara-toc {
    --toc-bg: #14171a;
    --toc-surface: rgba(255, 255, 255, 0.04);
    --toc-surface-strong: rgba(255, 255, 255, 0.06);
    --toc-border: rgba(255, 255, 255, 0.10);
    --toc-text: #f8fafc;
    --toc-muted: #b8c3d1;
    --toc-accent: #ff2285;
    --toc-accent-2: #7f1f9f;
    --toc-shadow: 0 18px 46px rgba(0, 0, 0, 0.24);
    --toc-radius: 1.35rem;
    --toc-scroll-offset: 104px;

    position: relative;
    margin: 0 0 2rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--toc-border);
    border-radius: var(--toc-radius);
    background:
        radial-gradient(circle at top right, rgba(255, 34, 133, 0.12), transparent 38%),
        radial-gradient(circle at bottom left, rgba(127, 31, 159, 0.10), transparent 32%),
        linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02)),
        var(--toc-bg);
    box-shadow: var(--toc-shadow);
    overflow: clip;
    isolation: isolate;
}

.aeovara-toc::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    z-index: 2;
    display: block;
    width: var(--toc-progress, 0%);
    height: 3px;
    background: linear-gradient(90deg, var(--toc-accent), var(--toc-accent-2));
    pointer-events: none;
    transition: width 0.1s linear;
}

.aeovara-toc__details {
    display: block;
}

.aeovara-toc__summary {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    min-width: 0;
    padding: 1rem 1.1rem 1rem 1.15rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
    cursor: pointer;
    list-style: none;
    user-select: none;
    -webkit-user-select: none;
    border-bottom: 1px solid transparent;
    box-sizing: border-box;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.aeovara-toc__summary::-webkit-details-marker { display: none; }
.aeovara-toc__summary::marker { display: none; }

.aeovara-toc__summary:hover,
.aeovara-toc__summary:focus-visible {
    background: rgba(255, 255, 255, 0.04);
    outline: none;
}

.aeovara-toc__summary:focus-visible {
    outline: 2px solid var(--toc-accent);
    outline-offset: -2px;
}

.aeovara-toc__details[open] .aeovara-toc__summary {
    border-bottom-color: rgba(255,255,255,0.08);
}

.aeovara-toc__icon,
.aeovara-toc__chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.aeovara-toc__icon {
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    color: var(--toc-accent);
    background: linear-gradient(180deg, rgba(255, 34, 133, 0.14), rgba(127, 31, 159, 0.1));
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}

.aeovara-toc__title-wrap {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
}

.aeovara-toc__eyebrow {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.68);
}

.aeovara-toc__title {
    min-width: 0;
    color: var(--toc-text);
    font-size: clamp(0.98rem, 0.95rem + 0.18vw, 1.05rem);
    font-weight: 800;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.aeovara-toc__meta {
    color: rgba(184, 195, 209, 0.86);
    font-size: 0.82rem;
    line-height: 1.3;
}

.aeovara-toc__chevron {
    color: rgba(255, 34, 133, 0.78);
    transition: transform 0.25s ease;
}

.aeovara-toc__details[open] .aeovara-toc__chevron {
    transform: rotate(180deg);
}

.aeovara-toc__body {
    padding: 0.4rem 0.5rem 0.6rem;
}

.aeovara-toc__list {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: toc-h2;
    display: grid;
    gap: 0.22rem;
    animation: aeovara-toc-reveal 0.22s ease;
}

.aeovara-toc__item {
    min-width: 0;
}

.aeovara-toc__item--h2 {
    counter-increment: toc-h2;
}

.aeovara-toc__item--h3 {
    padding-left: clamp(0.8rem, 1vw, 1rem);
}

.aeovara-toc__link {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 0.7rem;
    width: 100%;
    min-width: 0;
    padding: 0.7rem 0.8rem;
    border-radius: 0.95rem;
    box-sizing: border-box;
    color: var(--toc-muted);
    font-size: clamp(0.92rem, 0.88rem + 0.15vw, 0.98rem);
    font-weight: 550;
    line-height: 1.45;
    text-decoration: none;
    overflow-wrap: anywhere;
    word-break: normal;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.aeovara-toc__index,
.aeovara-toc__sub-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 2.3rem;
    padding-top: 0.04rem;
    color: var(--toc-accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

.aeovara-toc__sub-indicator {
    color: rgba(255, 34, 133, 0.7);
}

.aeovara-toc__link-text {
    min-width: 0;
    overflow-wrap: anywhere;
}

.aeovara-toc__link:hover,
.aeovara-toc__link:focus-visible {
    color: var(--toc-text);
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.035));
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
    transform: translateX(2px);
    text-decoration: none;
    outline: none;
}

.aeovara-toc__link:focus-visible {
    outline: 2px solid var(--toc-accent);
    outline-offset: 1px;
}

.aeovara-toc__link.is-active {
    color: var(--toc-text);
    background: linear-gradient(180deg, rgba(255,34,133,0.12), rgba(127,31,159,0.08));
    box-shadow: inset 0 0 0 1px rgba(255,34,133,0.18);
}

.aeovara-toc__link.is-active .aeovara-toc__index,
.aeovara-toc__link.is-active .aeovara-toc__sub-indicator {
    color: #ffd2e7;
}

.aeovara-toc__empty {
    padding: 0.9rem 1rem 1rem;
    color: rgba(184,195,209,0.86);
    font-size: 0.92rem;
}

@keyframes aeovara-toc-reveal {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 767px) {
    .aeovara-toc {
        --toc-radius: 1.05rem;
        margin-bottom: 1.5rem;
    }

    .aeovara-toc__summary {
        grid-template-columns: auto 1fr auto;
        gap: 0.62rem;
        padding: 0.92rem 0.9rem 0.92rem 0.92rem;
    }

    .aeovara-toc__icon {
        width: 1.8rem;
        height: 1.8rem;
    }

    .aeovara-toc__eyebrow {
        font-size: 0.68rem;
    }

    .aeovara-toc__meta {
        font-size: 0.78rem;
    }

    .aeovara-toc__body {
        padding: 0.3rem 0.35rem 0.45rem;
    }

    .aeovara-toc__link {
        grid-template-columns: auto 1fr;
        gap: 0.58rem;
        padding: 0.66rem 0.65rem;
        font-size: 0.92rem;
        line-height: 1.4;
    }

    .aeovara-toc__index,
    .aeovara-toc__sub-indicator {
        min-width: 2rem;
        font-size: 0.74rem;
    }

    .aeovara-toc__item--h3 {
        padding-left: 0.45rem;
    }
}

@media (max-width: 420px) {
    .aeovara-toc__summary {
        padding-inline: 0.8rem;
    }

    .aeovara-toc__title {
        font-size: 0.96rem;
    }

    .aeovara-toc__link {
        padding-inline: 0.55rem;
    }

    .aeovara-toc__index,
    .aeovara-toc__sub-indicator {
        min-width: 1.8rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .aeovara-toc::before,
    .aeovara-toc__chevron,
    .aeovara-toc__link {
        transition: none;
    }

    .aeovara-toc__list {
        animation: none;
    }
}