html {
    scroll-behavior: smooth;
}

.adbear-modern-toc {
    --toc-bg: rgba(255, 255, 255, 0.84);
    --toc-border: rgba(15, 23, 42, 0.10);
    --toc-text: #0f172a;
    --toc-muted: #64748b;
    --toc-accent: #2563eb;
    --toc-accent-soft: rgba(37, 99, 235, 0.10);
    width: 100%;
    margin: 28px 0;
    padding: 18px;
    color: var(--toc-text);
    border: 1px solid var(--toc-border);
    border-radius: 18px;
    background: var(--toc-bg);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
    box-sizing: border-box;
}

.adbear-toc-glass {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.adbear-toc-minimal {
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
}

.adbear-toc-boxed {
    --toc-bg: #f8fafc;
    border-radius: 14px;
    box-shadow: none;
}

.adbear-toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.adbear-toc-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.adbear-toc-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--toc-accent);
    background: var(--toc-accent-soft);
    border-radius: 10px;
    font-size: 16px;
    line-height: 1;
}

.adbear-toc-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    color: var(--toc-muted);
    background: #fff;
    border: 1px solid var(--toc-border);
    border-radius: 999px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
}

.adbear-toc-toggle:hover {
    color: var(--toc-text);
}

.adbear-toc-chevron {
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .2s ease;
    margin-top: -3px;
}

.adbear-modern-toc.is-open .adbear-toc-chevron {
    transform: rotate(225deg);
    margin-top: 3px;
}

.adbear-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: none;
    counter-reset: toc-counter;
}

.adbear-modern-toc.is-open .adbear-toc-list,
.adbear-modern-toc:not(.is-collapsible) .adbear-toc-list {
    display: grid;
    gap: 6px;
}

.adbear-toc-item {
    counter-increment: toc-counter;
    margin: 0;
    padding: 0;
}

.adbear-toc-item a {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 10px;
    color: var(--toc-muted);
    text-decoration: none !important;
    border-radius: 12px;
    font-size: 15px;
    line-height: 1.45;
    transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.adbear-toc-item a::before {
    content: counter(toc-counter, decimal-leading-zero);
    flex: 0 0 auto;
    min-width: 24px;
    color: var(--toc-accent);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.75;
}

.adbear-toc-item a:hover,
.adbear-toc-item a.is-active {
    color: var(--toc-text);
    background: var(--toc-accent-soft);
    transform: translateX(2px);
}

.adbear-toc-level-h3 {
    padding-left: 18px;
}

.adbear-toc-level-h4 {
    padding-left: 36px;
}

.adbear-toc-level-h3 a,
.adbear-toc-level-h4 a {
    font-size: 14px;
}

@media (max-width: 640px) {
    .adbear-modern-toc {
        padding: 15px;
        border-radius: 15px;
    }

    .adbear-toc-header {
        align-items: flex-start;
    }

    .adbear-toc-title {
        font-size: 16px;
    }

    .adbear-toc-toggle {
        padding: 7px 9px;
    }

    .adbear-toc-item a {
        font-size: 14px;
    }
}