/* 📚 Ausculto Documents — rail des collections + arborescence + lecteur PDF (js/docs-explorer.js).
   Thème sombre de la page Documents ; chaque collection porte sa couleur dans --c. */
.dx {
    --dx-bg: #0a1628; --dx-panel: #0f1923; --dx-rail: #0b1520; --dx-field: #0a1222; --dx-viewer: #111d2e; --dx-canvas: #0a1222;
    --dx-line: #1e3048; --dx-line2: #2a3f5c;
    --dx-ink: #e2e8f0; --dx-ink1: #f1f5f9; --dx-ink2: #cbd5e1; --dx-ink3: #94a3b8; --dx-ink4: #64748b; --dx-ink5: #475569;
    --dx-acc: #f97316; --dx-acc-t: rgba(249, 115, 22, .10); --dx-acc-b: rgba(249, 115, 22, .45);
    --dx-hl: rgba(250, 204, 21, .30);
    display: flex; flex: 1; min-height: 0; min-width: 0; height: 100%;
    background: var(--dx-bg); color: var(--dx-ink);
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 13px;
}
.dx *, .dx *::before { box-sizing: border-box; }
.dx button { font: inherit; color: inherit; }
.dx [hidden] { display: none !important; }
.dx :focus-visible { outline: 2px solid var(--dx-acc); outline-offset: 1px; }
.dx mark { background: var(--dx-hl); color: inherit; border-radius: 2px; padding: 0 1px; }

/* Rail */
.dx-rail { width: 86px; flex-shrink: 0; background: var(--dx-rail); border-right: 1px solid var(--dx-line); display: flex; flex-direction: column; gap: 4px; padding: 10px 6px; overflow-y: auto; scrollbar-width: none; }
.dx-rb { position: relative; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 2px 7px; border: 0; border-radius: 10px; background: transparent; cursor: pointer; }
.dx-rb:hover { background: rgba(148, 163, 184, .07); }
.dx-rbi { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; color: var(--c); background: color-mix(in srgb, var(--c) 15%, transparent); transition: background .15s, color .15s; }
.dx-rbl { font-size: 11px; font-weight: 700; color: var(--dx-ink3); line-height: 1.15; text-align: center; }
.dx-rbn { font-size: 10px; color: var(--dx-ink5); font-variant-numeric: tabular-nums; }
.dx-rb.on { background: color-mix(in srgb, var(--c) 13%, transparent); }
.dx-rb.on::before { content: ""; position: absolute; left: -6px; top: 10px; bottom: 10px; width: 3px; border-radius: 0 3px 3px 0; background: var(--c); }
.dx-rb.on .dx-rbl { color: var(--dx-ink1); }
.dx-rb.on .dx-rbi { background: var(--c); color: #0a1628; }
.dx-rb.is-loading { opacity: .55; cursor: progress; }

/* Volet : recherche, en-tête de collection, arborescence / résultats */
.dx-panel { width: 330px; flex-shrink: 0; background: var(--dx-panel); border-right: 1px solid var(--dx-line); display: flex; flex-direction: column; min-height: 0; }
.dx-search { position: relative; padding: 12px 10px 8px; flex-shrink: 0; }
.dx-q { width: 100%; font: inherit; font-size: 13px; color: var(--dx-ink); background: var(--dx-field); border: 1px solid var(--dx-line); border-radius: 9px; padding: 8px 30px 8px 32px; outline: none; }
.dx-q:focus { border-color: var(--dx-acc-b); }
.dx-q::placeholder { color: var(--dx-ink5); }
.dx-si { position: absolute; left: 21px; top: 21px; color: var(--dx-ink4); pointer-events: none; display: flex; }
.dx-x { position: absolute; right: 16px; top: 17px; width: 22px; height: 22px; border: 0; border-radius: 6px; background: transparent; color: var(--dx-ink4); cursor: pointer; display: grid; place-items: center; }
.dx-x:hover { background: #1a2a40; color: var(--dx-ink1); }
.dx-head { display: flex; align-items: center; gap: 8px; padding: 4px 12px 8px; border-bottom: 1px solid var(--dx-line); flex-shrink: 0; }
.dx-hic { width: 26px; height: 26px; border-radius: 6px; display: grid; place-items: center; flex-shrink: 0; color: var(--c); background: color-mix(in srgb, var(--c) 15%, transparent); }
.dx-ht { flex: 1; min-width: 0; font-size: 13.5px; font-weight: 700; color: var(--dx-ink1); line-height: 1.25; }
.dx-ht small { display: block; font-size: 11px; font-weight: 500; color: var(--dx-ink4); }
.dx-list { flex: 1; min-height: 0; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--dx-line) transparent; }
.dx-msg { padding: 22px 16px; color: var(--dx-ink4); font-size: 12.5px; line-height: 1.6; text-align: center; }
.dx-msg-s { padding: 2px 12px 8px; text-align: left; font-size: 11.5px; }

.dx-tree { padding: 6px 6px 16px; }
.dx-tr { display: flex; align-items: center; gap: 7px; width: 100%; padding: 5px 8px; border: 0; border-radius: 7px; background: transparent; cursor: pointer; text-align: left; min-width: 0; }
.dx-tr:hover { background: rgba(148, 163, 184, .07); }
.dx-tr.on { background: var(--dx-acc-t); box-shadow: inset 3px 0 0 var(--dx-acc); }
.dx-tn { flex: 1; min-width: 0; font-size: 12.5px; line-height: 1.3; color: var(--dx-ink2); overflow-wrap: anywhere; }
.dx-tf .dx-tn { font-weight: 600; }
.dx-td .dx-tn { color: var(--dx-ink1); }
.dx-ti { color: var(--dx-ink4); flex-shrink: 0; display: flex; }
.dx-td .dx-ti { color: var(--c); }
.dx-tc { font-size: 10.5px; color: var(--dx-ink4); font-variant-numeric: tabular-nums; background: rgba(148, 163, 184, .08); border-radius: 999px; padding: 1px 7px; flex-shrink: 0; }
.dx-cv { width: 14px; color: var(--dx-ink4); flex-shrink: 0; display: grid; place-items: center; transition: transform .15s; }
.dx-tf.open .dx-cv { transform: rotate(90deg); }
.dx-kids { position: relative; }
.dx-kids::before { content: ""; position: absolute; top: 2px; bottom: 4px; left: calc(15px + var(--d) * 16px); border-left: 1px solid var(--dx-line); }

.dx-rhead { display: flex; align-items: center; gap: 8px; padding: 4px 12px 8px; font-size: 11.5px; color: var(--dx-ink3); }
.dx-rhead b { color: var(--dx-ink1); font-weight: 700; }
.dx-kh { margin-left: auto; font-size: 10.5px; color: var(--dx-ink5); white-space: nowrap; }
.dx-ghead { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; gap: 8px; padding: 8px 12px 6px; background: var(--dx-panel); font-size: 11.5px; font-weight: 700; color: var(--dx-ink2); border-bottom: 1px solid var(--dx-line); }
.dx-ghead i { width: 9px; height: 9px; border-radius: 3px; background: var(--c); flex-shrink: 0; }
.dx-ghead span { margin-left: auto; color: var(--dx-ink4); font-weight: 600; }
.dx-group { padding: 3px 6px; }
.dx-r { display: flex; align-items: center; gap: 9px; width: 100%; padding: 6px 8px; border: 0; border-radius: 8px; background: transparent; cursor: pointer; text-align: left; }
.dx-r:hover { background: rgba(249, 115, 22, .06); }
.dx-r.on { background: var(--dx-acc-t); box-shadow: inset 3px 0 0 var(--dx-acc); }
.dx-r.k { background: rgba(249, 115, 22, .08); outline: 1px solid rgba(249, 115, 22, .55); }
.dx-ric { width: 26px; height: 26px; border-radius: 6px; display: grid; place-items: center; flex-shrink: 0; color: var(--c); background: color-mix(in srgb, var(--c) 15%, transparent); }
.dx-rtx { min-width: 0; display: flex; flex-direction: column; gap: 1px; flex: 1; }
.dx-rn { font-size: 12.5px; font-weight: 600; color: var(--dx-ink1); line-height: 1.32; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.dx-rs { font-size: 11px; color: var(--dx-ink4); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dx-gmore { border: 0; background: transparent; color: var(--dx-ink3); font-size: 11.5px; padding: 2px 10px 10px 47px; cursor: pointer; text-align: left; }
.dx-gmore:hover { color: var(--dx-acc); }

/* Lecteur */
.dx-viewer { flex: 1; min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--dx-viewer); }
.dx-vbar { display: flex; align-items: center; gap: 10px; padding: 0 12px; height: 46px; background: var(--dx-panel); border-bottom: 1px solid var(--dx-line); flex-shrink: 0; min-width: 0; }
.dx-back { display: none; align-items: center; gap: 4px; border: 1px solid var(--dx-line); background: transparent; color: var(--dx-ink2); border-radius: 8px; padding: 5px 9px; font-size: 12px; font-weight: 600; cursor: pointer; white-space: nowrap; flex-shrink: 0; }
.dx-crumb { display: flex; align-items: center; gap: 4px; min-width: 0; flex: 1; font-size: 12px; color: var(--dx-ink3); overflow: hidden; }
.dx-cdot { width: 9px; height: 9px; border-radius: 3px; background: var(--c); flex-shrink: 0; margin-right: 3px; }
.dx-crumb button { border: 0; background: transparent; color: var(--dx-ink3); padding: 3px 5px; border-radius: 5px; cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 22ch; flex-shrink: 1; min-width: 3ch; }
.dx-crumb button:hover { background: var(--dx-acc-t); color: var(--dx-acc); }
.dx-sep { color: var(--dx-ink5); flex-shrink: 0; }
.dx-crumb b { color: var(--dx-ink1); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 60px; }
.dx-page { font-size: 12.5px; color: var(--dx-ink3); font-variant-numeric: tabular-nums; white-space: nowrap; flex-shrink: 0; }
.dx-zoom { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--dx-ink4); flex-shrink: 0; }
.dx-zv { min-width: 44px; text-align: center; font-variant-numeric: tabular-nums; }
.dx-ib { width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--dx-line); background: transparent; color: var(--dx-ink3); display: grid; place-items: center; cursor: pointer; flex-shrink: 0; }
.dx-ib:hover { color: var(--dx-acc); border-color: rgba(249, 115, 22, .3); background: var(--dx-acc-t); }
.dx-canvas { position: relative; flex: 1; min-height: 0; overflow: auto; background: var(--dx-canvas); display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 1.5rem; scrollbar-width: thin; scrollbar-color: var(--dx-line) transparent; }
.dx-canvas canvas { box-shadow: 0 4px 24px rgba(0, 0, 0, .4); border-radius: 4px; flex-shrink: 0; background: #fff; }
.dx-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: var(--dx-ink5); font-size: 13.5px; text-align: center; padding: 20px; }
.dx-empty p { margin: 0; }
.dx-empty svg { opacity: .5; }
.dx-hint { font-size: 12px; color: var(--dx-ink4); }

@media (prefers-reduced-motion: reduce) { .dx * { transition: none !important; } }

/* Téléphone : rail en bandeau, liste plein écran ; le document s'ouvre par-dessus avec « ‹ Documents » */
@media (max-width: 768px) {
    .dx { flex-direction: column; }
    .dx-rail { width: auto; flex-direction: row; padding: 6px 8px; border-right: 0; border-bottom: 1px solid var(--dx-line); overflow-x: auto; overflow-y: hidden; }
    .dx-rb { flex: 0 0 auto; min-width: 70px; padding: 6px 4px; }
    .dx-rbi { width: 34px; height: 34px; border-radius: 10px; }
    .dx-rb.on::before { left: 12px; right: 12px; top: auto; bottom: -6px; width: auto; height: 3px; border-radius: 3px 3px 0 0; }
    .dx-panel { width: auto; flex: 1; border-right: 0; }
    .dx-q { font-size: 16px; }
    .dx-viewer { display: none; }
    .dx.is-reading .dx-rail, .dx.is-reading .dx-panel { display: none; }
    .dx.is-reading .dx-viewer { display: flex; }
    .dx-back { display: flex; }
    .dx-vbar { gap: 6px; padding: 0 8px; }
    .dx-crumb > button, .dx-crumb > .dx-sep, .dx-zoom { display: none; }
    .dx-canvas { padding: .75rem; }
}