/* ── Editor panel ──────────────────────────────────── */
.gen-panel {
    position: relative;
    max-width: 820px;
    margin: 100px auto 0;
    padding: 1.5rem;
    background: var(--bg-surface, #1a1a2e);
    border: 1px solid var(--border, rgba(255,255,255,0.08));
    border-radius: var(--radius-lg, 14px);
    box-shadow: var(--shadow-md);
}
.gen-panel h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--text-primary);
}
.gen-row {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}
.gen-field {
    flex: 1;
    min-width: 140px;
}
.gen-field label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary, rgba(255,255,255,0.45));
    margin-bottom: 4px;
}
.gen-field input,
.gen-field select {
    width: 100%;
    padding: 0.5rem 0.7rem;
    border-radius: 8px;
    border: 1px solid var(--border, rgba(255,255,255,0.1));
    background: var(--bg-base, #111113);
    color: var(--text-primary, #fff);
    font-size: 0.88rem;
    font-family: 'DM Sans', sans-serif;
    min-height: 44px;
}
.gen-textarea {
    width: 100%;
    min-height: 260px;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border, rgba(255,255,255,0.1));
    background: var(--bg-base, #111113);
    color: var(--text-primary, #fff);
    font-size: 0.88rem;
    font-family: 'DM Sans', monospace;
    line-height: 1.6;
    resize: vertical;
    tab-size: 4;
}
.gen-help, .gen-field small, .gen-hint { font-size: 0.82rem; line-height: 1.45; }
.gen-actions { position: sticky; bottom: 0; z-index: 10; padding: 0.7rem; margin-inline: -0.7rem; background: color-mix(in srgb, var(--bg-surface, #1a1a2e) 94%, transparent); backdrop-filter: blur(14px); border-top: 1px solid var(--border, rgba(255,255,255,.1)); }
.gen-textarea::placeholder { color: var(--text-tertiary, rgba(255,255,255,0.3)); }
.gen-textarea:focus-visible,
.gen-field input:focus-visible,
.gen-field select:focus-visible {
    outline: 2px solid var(--accent, #60a5fa);
    outline-offset: 2px;
    border-color: var(--accent, #60a5fa);
    box-shadow: 0 0 0 2px rgba(96,165,250,0.15);
}

.gen-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}
.gen-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1.4rem;
    border-radius: 8px;
    border: none;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.88rem;
    min-height: 44px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
}
.gen-btn:active { transform: scale(0.97); }
.gen-btn-primary {
    background: var(--accent, #60a5fa);
    color: #fff;
}
.gen-btn-primary:hover { background: #4e94e8; }
.gen-btn-secondary {
    background: var(--bg-surface-alt, rgba(255,255,255,0.06));
    color: var(--text-primary, #fff);
    border: 1px solid var(--border, rgba(255,255,255,0.1));
}
.gen-btn-secondary:hover { background: rgba(255,255,255,0.1); }

.gen-file-label {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1.2rem;
    min-height: 44px;
    border-radius: 8px;
    border: 1px dashed var(--border, rgba(255,255,255,0.15));
    background: var(--bg-surface-alt, rgba(255,255,255,0.03));
    color: var(--text-secondary, rgba(255,255,255,0.7));
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}
.gen-file-label:hover {
    border-color: var(--accent, #60a5fa);
    background: rgba(96,165,250,0.06);
}
.gen-file-label.has-file {
    border-style: solid;
    border-color: var(--accent, #60a5fa);
    color: var(--accent, #60a5fa);
}
.gen-file-input { display: none; }
.gen-file-name {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-left: 0.25rem;
}

.gen-hint {
    font-size: 0.72rem;
    color: var(--text-tertiary, rgba(255,255,255,0.35));
    margin-top: 0.5rem;
    line-height: 1.5;
}
.gen-hint code {
    background: rgba(255,255,255,0.06);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.7rem;
}

/* ── Preview wrapper ───────────────────────────────── */
#preview-wrapper {
    display: none;
}
#preview-wrapper.visible {
    display: block;
}
.gen-preview-bar {
    max-width: 820px;
    margin: 100px auto 0;
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface, #1a1a2e);
    border: 1px solid var(--border, rgba(255,255,255,0.08));
    border-radius: 10px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.gen-preview-bar i { color: var(--accent, #60a5fa); }

/* ── Split view (desktop only) ─────────────────────── */
@media (min-width: 1200px) {
    .gen-split {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 1.25rem;
        max-width: 1720px;
        margin: 100px auto 0;
        padding: 0 1rem;
        align-items: start;
    }
    .gen-split > #editor-panel {
        margin: 0;
        max-width: none;
        position: sticky;
        top: 90px;
        max-height: calc(100vh - 110px);
        overflow-y: auto;
    }
    .gen-split > #preview-wrapper {
        display: block;
    }
    .gen-split > #preview-wrapper .gen-preview-bar {
        margin: 0 0 0.5rem 0;
        max-width: none;
        position: sticky;
        top: 90px;
        z-index: 2;
    }
    .gen-split > #preview-wrapper .article-page-wrapper {
        padding-top: 0 !important;
        margin-top: 0 !important;
    }
    .gen-split > #preview-wrapper .container {
        max-width: none;
        padding-left: 0;
        padding-right: 0;
    }
    .gen-split > #preview-wrapper .article-container {
        max-width: none;
    }
    .gen-split > #preview-wrapper .article-header-img {
        width: 100%;
        max-width: 100%;
        height: auto;
    }
    /* In split view the Preview / Back toggle is meaningless */
    .gen-split #gen-preview-btn,
    .gen-split #gen-back-btn {
        display: none;
    }
}