/* =========================
    PAGE COMPARATIF (mobile first)
   ========================= */

.compare-page {
    --compare-nav-height: 4rem;
    max-width: calc(var(--page-max) + 2 * var(--gutter));
    margin: 0 auto;
    padding: 2.5rem var(--gutter) 3rem;
}

.compare-page > h1 {
    margin-bottom: 0.625rem;
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.015em;
    text-align: center;
}

.compare-lead {
    max-width: 40rem;
    margin: 0 auto 2rem;
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-muted);
}

/* Onglets : sans JS, tous les panneaux restent visibles. */
.compare-tabs .hero-code-tabs {
    display: none;
    justify-content: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.compare-tabs.is-ready .hero-code-tabs {
    display: flex;
}

.compare-tabs .hero-tab {
    color: var(--text-muted);
}

.compare-tabs .hero-tab:hover {
    color: var(--text-main);
}

.compare-tabs .hero-tab.active {
    color: var(--text-main);
    border-bottom-color: var(--accent);
}

.compare-tabs .hero-tab-panel {
    display: block;
    margin-bottom: 2rem;
}

.compare-tabs.is-ready .hero-tab-panel {
    display: none;
}

.compare-tabs.is-ready .hero-tab-panel.active {
    display: block;
}

.compare-panel-title {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

.compare-tabs.is-ready .compare-panel-title {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
}

/* Sommaire de toute la page : bouton collé sous la navigation sur téléphone,
   colonne fixe sur grand écran. */
.compare-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
}

.compare-main {
    min-width: 0;
}

.compare-toc {
    position: sticky;
    top: var(--compare-nav-height);
    z-index: 10;
    margin-inline: calc(-1 * var(--gutter));
    background: var(--bg-surface);
    border-block: 1px solid var(--border);
    font-size: 0.875rem;
}

.compare-toc summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 2.75rem;
    padding: 0 var(--gutter);
    font-weight: 600;
    color: var(--label);
    cursor: pointer;
    list-style: none;
}

.compare-toc summary::-webkit-details-marker {
    display: none;
}

.compare-toc summary::after {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.15s;
}

.compare-toc[open] summary::after {
    transform: rotate(-135deg);
}

/* La liste passe par-dessus le contenu : l'ouvrir ne décale pas la lecture. */
.compare-toc-list {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.125rem 0.5rem;
    max-height: calc(100vh - var(--compare-nav-height) - 3.5rem);
    padding: 0.25rem var(--gutter) 0.75rem;
    overflow-y: auto;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
}

.compare-toc-group {
    display: contents;
}

/* Rubriques de l'onglet ouvert seulement ; sans JS, toutes restent listées. */
.compare-page:has(.compare-tabs.is-ready) .compare-toc-group[data-for] {
    display: none;
}

.compare-page:has(#loco.active) .compare-toc-group[data-for="loco"],
.compare-page:has(#cot.active) .compare-toc-group[data-for="cot"],
.compare-page:has(#django.active) .compare-toc-group[data-for="django"] {
    display: contents;
}

.compare-toc a {
    display: flex;
    align-items: center;
    min-height: 2.25rem;
    padding: 0 0.625rem;
    border-radius: 0.375rem;
    line-height: 1.3;
    color: var(--text-muted);
    transition: color 0.15s, background 0.15s;
}

.compare-toc a:hover {
    color: var(--accent);
    background: var(--accent-active);
}

.compare-toc a.compare-toc-page {
    grid-column: 1 / -1;
    margin-top: 0.75rem;
    padding-inline: 0;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--label);
}

.compare-page .doc-block-content h3,
.compare-section,
.compare-known-issues {
    scroll-margin-top: calc(var(--compare-nav-height) + 3.75rem);
}

/* Laisse les onglets visibles au-dessus du panneau ouvert. */
.compare-tabs .hero-tab-panel {
    scroll-margin-top: calc(var(--compare-nav-height) + 7rem);
}

/* Bouton fixe : retour en haut de page. */
.compare-top {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--label);
    transition: opacity 0.15s, visibility 0.15s, color 0.15s, border-color 0.15s;
}

.compare-top::before {
    content: "";
    width: 0.625rem;
    height: 0.625rem;
    margin-top: 0.25rem;
    border-top: 2px solid currentColor;
    border-left: 2px solid currentColor;
    transform: rotate(45deg);
}

.compare-top:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.compare-top.is-hidden {
    visibility: hidden;
    opacity: 0;
}

/* Sur téléphone, chaque ligne devient une carte. La classe vient du script,
   qui recopie les noms de colonnes : sans lui, le tableau reste un tableau. */
@media (max-width: 63.9375rem) {
    .compare-page .doc-block-content table.compare-cards,
    table.compare-cards tbody,
    table.compare-cards tr,
    table.compare-cards td {
        display: block;
        width: 100%;
    }

    .compare-page .doc-block-content table.compare-cards {
        overflow: visible;
    }

    table.compare-cards thead {
        display: none;
    }

    .compare-page .doc-block-content table.compare-cards tr {
        margin-bottom: 0.75rem;
        overflow: hidden;
        border: 1px solid var(--border);
        border-radius: 0.5rem;
    }

    .compare-page .doc-block-content table.compare-cards td {
        overflow-wrap: anywhere;
        border: 0;
        border-top: 1px solid var(--border);
    }

    .compare-page .doc-block-content table.compare-cards td:first-child {
        font-weight: 600;
        background: var(--bg-surface);
        border-top: 0;
    }

    table.compare-cards td[data-label]:not(:first-child)::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 0.125rem;
        font-size: 0.8125rem;
        font-weight: 600;
        color: var(--label);
    }

    .compare-page .doc-block-content table.compare-cards code {
        white-space: normal;
        overflow-wrap: anywhere;
    }
}

@media (min-width: 64rem) {
    .compare-layout {
        grid-template-columns: 13rem minmax(0, 1fr);
        gap: 2.5rem;
        align-items: start;
    }

    .compare-toc {
        top: 5rem;
        z-index: auto;
        margin-inline: 0;
        padding: 1rem;
        max-height: calc(100vh - 6rem);
        overflow: hidden auto;
        border: 1px solid var(--border);
        border-radius: 0.5rem;
    }

    /* Ouvert en permanence par le script : plus rien à replier. */
    .compare-toc[open] summary {
        min-height: 0;
        margin-bottom: 0.25rem;
        padding: 0;
        font-size: 0.8125rem;
        pointer-events: none;
    }

    .compare-toc[open] summary::after {
        display: none;
    }

    .compare-toc-list {
        position: static;
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
        max-height: none;
        padding: 0;
        overflow: visible;
        border-bottom: 0;
    }

    .compare-page .doc-block-content h3,
    .compare-section,
    .compare-known-issues {
        scroll-margin-top: 5.5rem;
    }

    .compare-tabs .hero-tab-panel {
        scroll-margin-top: 9rem;
    }

    /* Mêmes colonnes d'un tableau à l'autre : l'oeil suit une seule grille. */
    .compare-page .doc-block-content table {
        display: table;
        width: 100%;
        table-layout: fixed;
    }

    .compare-page .doc-block-content th:first-child {
        width: 24%;
    }

    .compare-page .doc-block-content td {
        overflow-wrap: anywhere;
    }
}

/* Titres de rubrique : un cadre centré, sur toute la largeur du comparatif. */
.compare-page .doc-block-content h3 {
    margin: 10rem 0 1.25rem;
    padding: 0.75rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    text-align: center;
    color: var(--label);
}

.compare-page .doc-block-content h3:first-of-type {
    margin-top: 0;
}

.compare-page .doc-block-content table {
    margin-bottom: 1.5rem;
}

.compare-source {
    font-size: 0.875rem;
    text-align: center;
    color: var(--text-muted);
}

.compare-section {
    margin-top: 4rem;
}

.compare-section > h2 {
    margin-bottom: 1.5rem;
    font-size: 1.625rem;
    font-weight: 600;
    line-height: 1.25;
    text-align: center;
}

.compare-known-issues {
    margin-top: 3rem;
    text-align: center;
}

@media (min-width: 60rem) {
    .compare-page { padding-top: 4rem; padding-bottom: 4.5rem; }
    .compare-page > h1 { font-size: 2.625rem; }
    .compare-section { margin-top: 6.5rem; }
    .compare-section > h2 { font-size: 1.875rem; }
}

.changelog-layout {
    margin-top: 1.5rem;
}

.changelog-layout .compare-section {
    margin-top: 0;
}

.changelog-picker {
    display: grid;
    gap: 0.5rem;
    font-weight: 600;
}

.changelog-picker select {
    width: 100%;
    min-height: 2.75rem;
    padding: 0 0.75rem;
    color: inherit;
    font-weight: 400;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
}

@media (min-width: 64rem) {
    .changelog-picker {
        position: sticky;
        top: 5rem;
    }
}

.changelog-layout .doc-block-content li p {
    margin: 0;
}

.changelog-layout .doc-block-content li + li {
    margin-top: 1rem;
}

.changelog-layout .compare-section + .compare-section {
    margin-top: 3rem;
}

.release-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.release-tabs a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

/* Dans cette page, la barre suit la largeur du contenu au lieu de toucher les bords. */
.changelog-layout .compare-toc {
    margin-inline: 0;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
}

.changelog-picker label {
    line-height: 1.5rem;
}

/* Départ sous le titre de section : sa hauteur + sa marge. Le libellé du menu (1.5rem + 0.5rem d'écart)
   remonte à côté du titre pour que le select lui-même s'aligne sur le premier bloc. */
@media (min-width: 64rem) {
    .changelog-layout .compare-toc {
        margin-top: calc(1.875rem * 1.25 + 1.5rem);
    }

    .changelog-layout .changelog-picker {
        margin-top: calc(1.875rem * 1.25 + 1.5rem - 2rem);
    }
}