.tool-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
}

.exporter-layout {
    display: grid;
    gap: 20px;
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.control-panel {
    display: grid;
    gap: 18px;
}

.panel-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
}

.panel-top h2 {
    margin: 0 0 6px;
    font-size: 1.2rem;
}

.panel-top p {
    margin: 0;
    max-width: 68ch;
    color: var(--text-secondary);
}

.button-row,
.action-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.tool-btn.danger {
    border-color: #991b1b;
    color: #fff5f5;
    background: linear-gradient(180deg, #dc2626 0%, #b91c1c 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.tool-btn.danger:hover,
.tool-btn.danger:focus-visible {
    border-color: #7f1d1d;
    background: linear-gradient(180deg, #ef4444 0%, #dc2626 100%);
    color: #ffffff;
}

.tool-btn[disabled] {
    opacity: 0.65;
    cursor: not-allowed;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
    align-items: end;
}

.input-line {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-line label {
    font: 700 0.74rem "Space Grotesk", sans-serif;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.input-line input,
.input-line select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font: 400 0.86rem "JetBrains Mono", monospace;
}

.input-line input:focus,
.input-line select:focus,
#editor:focus {
    outline: none;
    border-color: var(--accent-it);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.action-group {
    justify-content: flex-end;
}

.status-line {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    background: rgba(15, 23, 42, 0.34);
    color: var(--text-secondary);
    font: 400 0.85rem "JetBrains Mono", monospace;
}

.status-line.success {
    border-color: rgba(16, 185, 129, 0.28);
    color: #bbf7d0;
}

.status-line.error {
    border-color: rgba(239, 68, 68, 0.32);
    color: #fecaca;
}

.status-line.warning {
    border-color: rgba(245, 158, 11, 0.34);
    color: #fde68a;
}

.workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    min-height: 680px;
}

.pane {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--bg-secondary);
    overflow: hidden;
}

.pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.28);
}

.pane-header h3 {
    margin: 0;
    font-size: 0.94rem;
}

.pane-meta {
    color: var(--text-secondary);
    font: 400 0.78rem "JetBrains Mono", monospace;
}

#editor {
    flex: 1;
    min-height: 560px;
    padding: 18px;
    border: 0;
    resize: none;
    background: transparent;
    color: var(--text-primary);
    font: 400 0.92rem/1.65 "JetBrains Mono", monospace;
}

.preview-container {
    flex: 1;
    min-height: 560px;
    overflow: auto;
    padding: 30px;
    background:
        radial-gradient(circle at top left, rgba(191, 219, 254, 0.35), transparent 34%),
        linear-gradient(180deg, #eef2ff 0%, #e2e8f0 100%);
    color: #101828;
}

.preview-empty {
    height: 100%;
    display: grid;
    place-items: center;
    gap: 12px;
    color: #475467;
    text-align: center;
}

.preview-empty svg {
    width: 28px;
    height: 28px;
}

.preview-sheet {
    width: min(100%, var(--page-width-px, 816px));
    margin: 0 auto;
    padding: var(--page-padding-px, 48px);
    background: linear-gradient(180deg, #ffffff 0%, #fdfefe 100%);
    border: 1px solid #dbe3ef;
    border-radius: 14px;
    box-shadow:
        0 28px 60px rgba(15, 23, 42, 0.12),
        0 6px 18px rgba(15, 23, 42, 0.08);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.info-card h3,
.info-card summary {
    margin: 0 0 14px;
    font-size: 0.94rem;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
}

.info-card summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    list-style: none;
}

.info-card summary::-webkit-details-marker {
    display: none;
}

.info-card summary::after {
    content: "+";
    flex: 0 0 auto;
    margin-left: 12px;
    color: var(--text-secondary);
    font: 700 1.05rem/1 "JetBrains Mono", monospace;
}

.info-card[open] summary::after {
    content: "-";
}

.info-card[open] .license-list {
    margin-top: 4px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.stat-grid div {
    display: grid;
    gap: 4px;
    padding: 12px;
    border-radius: 12px;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-grid span {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.stat-grid strong {
    font: 600 0.98rem "JetBrains Mono", monospace;
    color: var(--text-primary);
}

.notes-list,
.license-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--text-secondary);
}

.notes-list li,
.license-list li {
    margin-bottom: 0.8rem;
    line-height: 1.55;
}

.license-list a {
    color: var(--accent-it);
}

.license-list span {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

@media (max-width: 1200px) {
    .settings-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .workspace {
        grid-template-columns: 1fr;
    }

    .preview-container,
    #editor {
        min-height: 420px;
    }

    .preview-container {
        padding: 18px;
    }

    .preview-sheet {
        padding: min(32px, var(--page-padding-px, 48px));
    }
}

@media (max-width: 720px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }

    .action-group {
        justify-content: stretch;
    }

    .action-group .tool-btn,
    .button-row .tool-btn {
        flex: 1 1 auto;
        justify-content: center;
    }

    .preview-sheet {
        padding: 20px;
        border-radius: 12px;
    }

}