.sql2er-page {
    background: #fff;
    overflow: hidden;
}

.sql2er-page.structure-container {
    overflow: hidden;
}

.sql2er-page .sql2er-workspace {
    grid-template-columns: 130px 250px minmax(0, 1fr) 240px;
    height: 100%;
    overflow: hidden;
}

.sql2er-page .structure-tools-column,
.sql2er-page .sql2er-input-column,
.sql2er-page .sql2er-preview-column,
.sql2er-page .sql2er-settings-column {
    min-width: 0;
    min-height: 0;
}

.sql2er-page .sql2er-sql-panel,
.sql2er-page .sql2er-canvas-panel,
.sql2er-page .sql2er-params-panel {
    min-height: 100%;
    height: 100%;
}

.sql2er-page .sql2er-sql-panel .panel-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
}

.sql2er-page .sql2er-sql-form-group {
    display: flex;
    flex: 1;
    min-height: 0;
    margin-bottom: 8px;
    flex-direction: column;
}

.sql2er-page .sql2er-sql-textarea,
.sql2er-page .sql2er-sql-textarea.modern-textarea {
    width: 100%;
    flex: 1 1 auto;
    min-height: 240px;
    height: clamp(240px, calc(100vh - 360px), 560px);
    resize: none;
    border-radius: 10px;
    line-height: 1.7;
    overflow-y: auto;
}

.sql2er-page .sql2er-sql-textarea::placeholder {
    color: #94a3b8;
    font-size: 12px;
    line-height: 1.7;
}

.sql2er-page .sql2er-input-actions {
    margin-bottom: 0;
    flex: 0 0 auto;
    margin-top: auto;
    position: sticky;
    bottom: 0;
    z-index: 4;
    padding-top: 10px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #ffffff 18px, #ffffff 100%);
}

.sql2er-page .sql2er-generate-btn {
    min-height: 38px;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid #2563eb;
    background: #2563eb;
    color: #fff;
    box-shadow: none;
    justify-content: center;
    gap: 6px;
}

.sql2er-page .sql2er-generate-btn:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    color: #fff;
    box-shadow: none;
}

.sql2er-page .sql2er-generate-btn i {
    font-size: 14px;
}

.sql2er-page .modern-btn {
    border-radius: 6px;
    border: 1px solid #d1d5db;
    background: #fff;
    color: #374151;
    box-shadow: none;
}

.sql2er-page .modern-btn:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #374151;
    box-shadow: none;
}

.sql2er-page .modern-btn.btn-warning {
    background: #f3f4f6;
    border-color: #d1d5db;
    color: #374151;
}

.sql2er-page .modern-btn.btn-info,
.sql2er-page .modern-btn.btn-primary {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

.sql2er-page .modern-btn.btn-info:hover,
.sql2er-page .modern-btn.btn-primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    color: #fff;
}

.sql2er-page .modern-btn.btn-success {
    background: #10b981;
    border-color: #10b981;
    color: #fff;
}

.sql2er-page .modern-btn.btn-success:hover {
    background: #059669;
    border-color: #059669;
    color: #fff;
}

.sql2er-page .modern-control-btn {
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #fff;
    color: #6b7280;
    box-shadow: none;
}

.sql2er-page .modern-control-btn:hover {
    background: #f5f5f5;
    border-color: #d1d5db;
    color: #111827;
    box-shadow: none;
}

.sql2er-page .modern-preset-btn {
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #fff;
    color: #374151;
    box-shadow: none;
}

.sql2er-page .modern-preset-btn:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #1f2937;
}

.sql2er-page .modern-preset-btn.btn-warning {
    background: #f59e0b;
    border-color: #f59e0b;
    color: #fff;
}

.sql2er-page .modern-preset-btn.btn-warning:hover {
    background: #d97706;
    border-color: #d97706;
    color: #fff;
}

.sql2er-page .sql2er-generate-btn-text {
    display: none;
}

.sql2er-page .sql2er-preview-column .modern-canvas-body,
.sql2er-page .sql2er-preview-column .canvas-container,
.sql2er-page .sql2er-preview-column #graph-container {
    min-height: calc(100vh - 120px);
}

.sql2er-page .sql2er-graph-container {
    background: #fff;
}

.sql2er-page #graph-container .empty-state {
    position: absolute;
    top: calc(50% - 100px);
    left: 50%;
    z-index: 20;
    width: min(420px, calc(100% - 48px));
    min-height: 280px;
    padding: 28px 30px 24px;
    border: 1px solid #eef2f7;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transform: translate(-50%, -50%);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
}

.sql2er-page #graph-container .empty-state-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    margin-bottom: 16px;
    border-radius: 16px;
    background: #f8fafc;
    color: #2563eb;
    font-size: 22px;
    box-shadow: inset 0 0 0 1px #e2e8f0;
}

.sql2er-page #graph-container .empty-state h4 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.sql2er-page #graph-container .empty-state p {
    margin: 0 0 20px;
    color: #64748b;
    font-size: 14px;
    line-height: 1.75;
}

.sql2er-page .sql2er-empty-link {
    display: block !important;
    width: 100% !important;
}

.sql2er-page .sql2er-empty-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    text-align: center !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    min-height: 46px !important;
    border-radius: 10px !important;
    background: #10b981 !important;
    border-color: #10b981 !important;
    color: #fff !important;
}

.sql2er-page .sql2er-empty-btn:hover {
    background: #059669 !important;
    border-color: #059669 !important;
    color: #fff !important;
}

.sql2er-page .sql2er-node-edit-btn,
.sql2er-page .sql2er-export-btn,
.sql2er-page .sql2er-edit-btn,
.sql2er-page .sql2er-fixed-layout-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: auto;
    min-width: 96px;
    padding: 0 12px;
    height: 30px;
    flex: 0 0 auto;
    white-space: nowrap;
}

.sql2er-page .sql2er-node-edit-btn {
    border-color: #bfdbfe;
    background: #eff6ff;
    color: #1d4ed8;
}

.sql2er-page .sql2er-node-edit-btn:hover {
    background: #dbeafe;
    border-color: #93c5fd;
    color: #1e40af;
}

.sql2er-page .sql2er-fixed-layout-btn {
    border-color: #cbd5e1;
    background: #ffffff;
    color: #334155;
}

.sql2er-page .sql2er-fixed-layout-btn:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #0f172a;
}

.sql2er-page .sql2er-export-btn {
    border-color: #10b981;
    background: #10b981;
    color: #fff;
}

.sql2er-page .sql2er-export-btn:hover {
    background: #059669;
    border-color: #059669;
    color: #fff;
}

.sql2er-page .sql2er-edit-btn {
    border-color: #f59e0b;
    background: #f59e0b;
    color: #fff;
}

.sql2er-page .sql2er-edit-btn:hover {
    background: #d97706;
    border-color: #d97706;
    color: #fff;
}

.sql2er-page .sql2er-node-edit-btn span,
.sql2er-page .sql2er-export-btn span,
.sql2er-page .sql2er-edit-btn span,
.sql2er-page .sql2er-fixed-layout-btn span {
    font-size: 11px;
    font-weight: 600;
}

.sql2er-page .sql2er-node-edit-btn i,
.sql2er-page .sql2er-fixed-layout-btn i {
    font-size: 13px;
}

.sql2er-page .sql2er-params-panel {
    border-left: 1px solid #e5e7eb;
    border-right: none;
    overflow: hidden;
}

.sql2er-page .sql2er-params-panel .modern-params-body {
    flex: 1;
    min-height: 0;
    max-height: calc(100vh - 118px);
    padding: 8px;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f8fafc;
}

.sql2er-page .sql2er-params-panel .modern-params-body::-webkit-scrollbar {
    width: 8px;
}

.sql2er-page .sql2er-params-panel .modern-params-body::-webkit-scrollbar-track {
    background: #f8fafc;
}

.sql2er-page .sql2er-params-panel .modern-params-body::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: #cbd5e1;
}

.sql2er-page .sql2er-params-panel .params-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
}

.sql2er-page .sql2er-params-panel .params-column {
    padding: 7px 8px;
}

.sql2er-page .sql2er-params-panel .form-group-compact {
    margin-bottom: 5px;
}

.sql2er-page .sql2er-params-panel .form-group-compact:last-child {
    margin-bottom: 0;
}

.sql2er-page .sql2er-params-panel .params-group-title {
    margin-bottom: 5px;
    padding-bottom: 3px;
    font-size: 11px;
}

.sql2er-page .sql2er-params-panel .control-label-compact {
    margin-bottom: 2px;
    font-size: 10px;
}

.sql2er-page .sql2er-params-panel .help-block-compact {
    display: block;
    margin-top: 2px;
    font-size: 10px;
}

.sql2er-page .sql2er-params-panel .modern-slider {
    height: 4px;
}

.sql2er-page .sql2er-params-panel .modern-slider::-webkit-slider-thumb {
    width: 14px;
    height: 14px;
}

.sql2er-page .sql2er-params-panel .modern-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
}

.sql2er-page .sql2er-params-panel .modern-select {
    padding: 5px 7px;
    font-size: 11px;
}

.sql2er-page .sql2er-params-panel .btn-group-compact {
    gap: 4px;
}

.sql2er-page .sql2er-params-panel .modern-preset-btn {
    padding: 5px 6px;
    font-size: 10px;
}

@media (max-width: 1500px) {
    .sql2er-page .sql2er-workspace {
        grid-template-columns: 120px 220px minmax(0, 1fr) 220px;
    }
}

@media (max-width: 1200px) {
    .sql2er-page .sql2er-sql-textarea,
    .sql2er-page .sql2er-sql-textarea.modern-textarea {
        height: 420px;
        min-height: 420px;
    }
}

@media (max-width: 900px) {
    .sql2er-page .sql2er-sql-textarea,
    .sql2er-page .sql2er-sql-textarea.modern-textarea {
        height: 360px;
        min-height: 360px;
    }
}

@media (max-height: 860px) {
    .sql2er-page .sql2er-sql-textarea,
    .sql2er-page .sql2er-sql-textarea.modern-textarea {
        height: 300px;
        min-height: 260px;
    }
}