@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* =========================
   TABLE DES MATIÈRES
========================= */

.toc {
    position: fixed;

    top: 120px;
    right: 25px;

    width: max-content;

    max-height: 75vh;

    overflow-y: auto;

    padding: 22px;

    border-radius: 18px;

    background: rgba(255, 255, 255, 0.92);

    backdrop-filter: blur(12px);

    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);

    border: 1px solid rgba(255, 255, 255, 0.4);

    font-family: 'Poppins', Arial, Helvetica, sans-serif;

    z-index: 100;
}

/* Titre */

.toc h2 {
    margin-top: 0;
    margin-bottom: 18px;

    font-size: 22px;
    font-weight: 700;

    color: #0f172a;
}

/* Liste */

.toc ul {
    list-style: none;
    display: block;
    padding: 0;
    margin: 0;
}

/* Chaque ligne */

.toc li {
    margin: 4px 0;
    display: block;
}

/* Ligne titre + bouton */

.toc-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Bouton toggle */

.toc-toggle {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    padding: 0;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    background: transparent;
    color: #64748b;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s;
}

.toc-toggle:hover {
    background: #e2e8f0;
}

/* Sous-liste enfants */

.toc-children {
    margin-left: 12px;
    margin-top: 4px;
    overflow: hidden;
}

.toc-children.toc-collapsed {
    display: none !important;
}

/* Liens */

.toc a {
    text-decoration: none;

    color: #334155;

    font-size: 15px;
    font-weight: 400;

    line-height: 1.5;

    white-space: nowrap;

    transition: 0.2s ease;
}

/* Hover */

.toc a:hover {
    color: #2563eb;
}

/* Hiérarchie visuelle */

.toc-h1 a {
    font-weight: 600;
    font-size: 17px;
}

.toc-h2 {
    margin-left: 10px;
}

.toc-h2 a {
    font-weight: 500;
}

.toc-h3 {
    margin-left: 22px;
}

.toc-h4 {
    margin-left: 34px;
}

.toc-h5 {
    margin-left: 46px;
}

.toc-h6 {
    margin-left: 58px;
}

.toc-h3 a,
.toc-h4 a,
.toc-h5 a,
.toc-h6 a {
    font-weight: 500;
}

/* Scrollbar */

.toc::-webkit-scrollbar {
    width: 8px;
}

.toc::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 20px;
}

/* Scroll smooth */

html {
    scroll-behavior: smooth;
}

/* Responsive */

@media (max-width: 1200px) {

    .toc {
        display: none;
    }

}