/* ================================================================
   SOA Markdown → HTML — v1.0.0
   ================================================================ */

.soa-md2h {
    --soa-purple:    #6c63ff;
    --soa-blue:      #4a90d9;
    --soa-green:     #34d399;
    --soa-surface:   #1a1a2e;
    --soa-border:    rgba(108,99,255,.22);
    --soa-text:      #e8e8f0;
    --soa-muted:     #8888aa;
    --soa-radius:    14px;
    --soa-radius-sm: 8px;
    --soa-shadow:    0 8px 40px rgba(0,0,0,.55);

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--soa-text);
    box-sizing: border-box;
}
.soa-md2h *, .soa-md2h *::before, .soa-md2h *::after { box-sizing: inherit; }

/* ── Hero ──────────────────────────────────────────────────────── */
.soa-md2h__card {
    background: radial-gradient(ellipse at top left, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
    border: 1px solid var(--soa-border);
    border-radius: var(--soa-radius);
    padding: 2.5rem 2.8rem 2.2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--soa-shadow);
    position: relative;
    overflow: hidden;
}
.soa-md2h__card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(108,99,255,.12) 0%, transparent 60%);
    pointer-events: none;
}
.soa-md2h__eyebrow {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--soa-purple);
    margin-bottom: .55rem;
}
.soa-md2h__title {
    margin: 0 0 .5rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    background: linear-gradient(135deg, #fff 30%, var(--soa-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.soa-md2h__subtitle {
    margin: 0;
    font-size: .9rem;
    color: var(--soa-muted);
    line-height: 1.55;
}

/* ── Workbench ─────────────────────────────────────────────────── */
.soa-md2h__workbench {
    background: var(--soa-surface);
    border: 1px solid var(--soa-border);
    border-radius: var(--soa-radius);
    box-shadow: var(--soa-shadow);
    overflow: hidden;
}

/* ── Topbar ────────────────────────────────────────────────────── */
.soa-md2h__topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .6rem;
    padding: .65rem 1rem;
    background: rgba(255,255,255,.03);
    border-bottom: 1px solid var(--soa-border);
    flex-wrap: wrap;
}
.soa-md2h__topbar-left,
.soa-md2h__topbar-right {
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-wrap: wrap;
}
.soa-md2h__topbar-sep {
    width: 1px; height: 20px;
    background: var(--soa-border);
    margin: 0 .1rem;
    flex-shrink: 0;
}

/* Boutons topbar */
.soa-md2h__topbar button,
.soa-md2h__file-label {
    padding: .35rem .8rem;
    border: 1px solid var(--soa-border);
    border-radius: var(--soa-radius-sm);
    background: rgba(255,255,255,.055);
    color: var(--soa-text);
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, border-color .15s, transform .1s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-family: inherit;
}
.soa-md2h__topbar button:hover,
.soa-md2h__file-label:hover {
    background: rgba(108,99,255,.22);
    border-color: var(--soa-purple);
}
.soa-md2h__topbar button:active { transform: scale(.96); }

/* Bouton Convertir — accent */
.soa-md2h__btn-convert {
    background: rgba(108,99,255,.18) !important;
    border-color: var(--soa-purple) !important;
    color: #c2bfff !important;
}
.soa-md2h__btn-convert:hover { background: rgba(108,99,255,.32) !important; }

.soa-md2h__file-input { display: none; }

/* Toggles */
.soa-md2h__toggle-label {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    cursor: pointer;
    font-size: .78rem;
    color: var(--soa-muted);
    user-select: none;
    padding: .3rem .6rem;
    border: 1px solid var(--soa-border);
    border-radius: var(--soa-radius-sm);
    background: rgba(255,255,255,.04);
    transition: color .15s, border-color .15s, background .15s;
}
.soa-md2h__toggle-label:hover { color: var(--soa-text); border-color: var(--soa-purple); }
.soa-md2h__toggle-label input[type="checkbox"] {
    accent-color: var(--soa-purple);
    width: 13px; height: 13px;
    cursor: pointer;
}
.soa-md2h__toggle-label:has(input:checked) {
    background: rgba(108,99,255,.2);
    border-color: var(--soa-purple);
    color: #c2bfff;
}

/* (S/M/L supprimé — largeur naturelle 100 %) */

/* ── Infobar ───────────────────────────────────────────────────── */
.soa-md2h__infobar {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: .38rem 1rem;
    background: rgba(0,0,0,.18);
    border-bottom: 1px solid var(--soa-border);
    font-size: .76rem;
    flex-wrap: wrap;
    min-height: 32px;
}
.soa-md2h__stat { color: var(--soa-muted); }
.soa-md2h__stat strong { color: var(--soa-text); font-weight: 600; }
.soa-md2h__auto-hint {
    margin-left: auto;
    font-size: .72rem;
    color: var(--soa-purple);
    opacity: 0;
    transition: opacity .3s;
}
.soa-md2h__auto-hint--show { opacity: 1; }

/* ── Split ─────────────────────────────────────────────────────── */
.soa-md2h__split {
    display: flex;
    align-items: stretch;
    height: 520px;
}

/* ── Volets ────────────────────────────────────────────────────── */
.soa-md2h__pane {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.soa-md2h__pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .38rem .8rem;
    background: rgba(255,255,255,.025);
    border-bottom: 1px solid var(--soa-border);
    flex-shrink: 0;
}
.soa-md2h__pane-label {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.soa-md2h__pane-label--md   { color: #c2bfff; }
.soa-md2h__pane-label--html { color: #a8d0f5; }

.soa-md2h__pane-actions { display: flex; gap: .3rem; }
.soa-md2h__pane-actions button {
    padding: .2rem .55rem;
    border: 1px solid var(--soa-border);
    border-radius: var(--soa-radius-sm);
    background: rgba(255,255,255,.04);
    color: var(--soa-muted);
    font-size: .71rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .14s, color .14s, border-color .14s;
    font-family: inherit;
}
.soa-md2h__pane-actions button:hover {
    background: rgba(108,99,255,.22);
    color: var(--soa-text);
    border-color: var(--soa-purple);
}
.soa-md2h__pane-actions button.soa-md2h--copied {
    color: var(--soa-green);
    border-color: rgba(52,211,153,.4);
    background: rgba(52,211,153,.1);
}

/* ── En-tête volet HTML (gauche = label+alignement, droite = actions) ── */
.soa-md2h__pane-header { flex-wrap: wrap; gap: .3rem; }
.soa-md2h__pane-header-left {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex: 1;
    min-width: 0;
}

/* ── Groupe alignement ─────────────────────────────────────────── */
.soa-md2h__align-group {
    display: flex;
    border: 1px solid var(--soa-border);
    border-radius: var(--soa-radius-sm);
    overflow: hidden;
}
.soa-md2h__align-btn {
    padding: .18rem .55rem;
    border: none;
    border-right: 1px solid var(--soa-border);
    background: rgba(255,255,255,.04);
    color: var(--soa-muted);
    font-size: .72rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .14s, color .14s;
    font-family: inherit;
    white-space: nowrap;
}
.soa-md2h__align-btn:last-child { border-right: none; }
.soa-md2h__align-btn:hover { background: rgba(108,99,255,.18); color: var(--soa-text); }
.soa-md2h__align-btn--active {
    background: rgba(108,99,255,.28) !important;
    color: #c2bfff !important;
}

/* ── Éditeur ───────────────────────────────────────────────────── */
.soa-md2h__editor-wrap {
    flex: 1;
    display: flex;
    overflow: hidden;
}
.soa-md2h__line-nums {
    width: 38px;
    flex-shrink: 0;
    background: rgba(0,0,0,.25);
    border-right: 1px solid var(--soa-border);
    padding: .75rem 0;
    overflow: hidden;
    text-align: right;
    user-select: none;
    font-family: 'Fira Code', Consolas, monospace;
    font-size: .74rem;
    line-height: 1.6;
    color: #555570;
}
.soa-md2h__line-nums span { display: block; padding-right: 6px; }

.soa-md2h__ta {
    flex: 1;
    resize: none;
    border: none;
    outline: none;
    background: rgba(0,0,0,.22);
    color: var(--soa-text);
    font-family: 'Fira Code', 'Cascadia Code', Consolas, monospace;
    font-size: .8rem;
    line-height: 1.6;
    padding: .75rem .85rem;
    white-space: pre;
    overflow-wrap: normal;
    overflow: auto;
    tab-size: 2;
}
.soa-md2h__ta::placeholder { color: #44445a; }
.soa-md2h__ta:focus         { box-shadow: inset 0 0 0 1px rgba(108,99,255,.3); }
.soa-md2h__ta--html         { display: none; } /* caché — sert uniquement au copy/dl */

/* ── Zone de sortie HTML (pre/code avec coloration) ────────────── */
.soa-md2h__output-scroll {
    flex: 1;
    overflow: auto;
    display: flex;
    position: relative;
}
.soa-md2h__output-pre {
    flex: 1;
    margin: 0;
    padding: .75rem .85rem;
    background: rgba(0,0,0,.22);
    font-family: 'Fira Code', 'Cascadia Code', Consolas, monospace;
    font-size: .8rem;
    line-height: 1.6;
    color: #cdd6f4;
    overflow: visible; /* scroll géré par le parent */
    white-space: pre;
    min-width: max-content;
    text-align: left; /* défaut : aligné à gauche */
}
/* Variantes d'alignement */
.soa-md2h__output-pre--center { text-align: center; }
.soa-md2h__output-pre--right  { text-align: right; }
.soa-md2h__output-code {
    display: block;
    font: inherit;
    color: inherit;
}

/* ── Coloration syntaxique HTML ────────────────────────────────── */
.sh2-tag    { color: #f07178; }
.sh2-attr   { color: #c792ea; }
.sh2-val    { color: #c3e88d; }
.sh2-cmt    { color: #546e7a; font-style: italic; }
.sh2-doctype{ color: #89ddff; font-style: italic; }
.sh2-entity { color: #f78c6c; }

/* ── Poignée de redimensionnement ──────────────────────────────── */
.soa-md2h__resize-handle {
    width: 5px;
    flex-shrink: 0;
    background: var(--soa-border);
    cursor: col-resize;
    transition: background .15s;
    position: relative;
    z-index: 2;
}
.soa-md2h__resize-handle::after {
    content: '⋮';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255,255,255,.2);
    font-size: .9rem;
    pointer-events: none;
}
.soa-md2h__resize-handle:hover,
.soa-md2h__resize-handle--drag { background: var(--soa-purple); }

/* ── Drop zone ─────────────────────────────────────────────────── */
.soa-md2h__pane--md.soa-md2h--dragover .soa-md2h__editor-wrap {
    outline: 2px dashed var(--soa-purple);
    outline-offset: -4px;
    background: rgba(108,99,255,.06);
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 680px) {
    .soa-md2h__split   { flex-direction: column; height: auto; }
    .soa-md2h__pane    { height: 280px; }
    .soa-md2h__resize-handle { width: 100%; height: 5px; cursor: row-resize; }
    .soa-md2h__resize-handle::after { content: '···'; }
    .soa-md2h__topbar  { flex-direction: column; align-items: flex-start; }
}