html, body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    background: #000;
    color: #e8e2d4;
    font: 13px/1.4 system-ui, sans-serif;
}

.ed-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
    touch-action: none;
}

.ed-canvas:active { cursor: grabbing; }

.ed-panel {
    position: fixed;
    top: 10px;
    left: 10px;
    width: 250px;
    max-height: calc(100% - 20px);
    overflow-y: auto;
    padding: 10px 12px;
    background: rgba(12, 10, 8, 0.86);
    border: 1px solid rgba(232, 226, 212, 0.18);
    border-radius: 8px;
    box-sizing: border-box;
}

.ed-panel h1 {
    margin: 0 0 8px;
    font-size: 14px;
    letter-spacing: 0.04em;
}

.ed-panel label {
    display: grid;
    grid-template-columns: 78px 1fr;
    align-items: center;
    gap: 6px;
    margin: 4px 0;
}

.ed-panel label.ed-check { grid-template-columns: 78px auto; }

.ed-panel select,
.ed-panel input[type="number"],
.ed-panel input[type="range"] {
    width: 100%;
    box-sizing: border-box;
    background: #1c1814;
    color: inherit;
    border: 1px solid rgba(232, 226, 212, 0.25);
    border-radius: 4px;
    padding: 2px 4px;
}

.ed-row {
    display: flex;
    gap: 6px;
    margin: 8px 0 4px;
}

.ed-row button {
    flex: 1;
    background: #2a241c;
    color: inherit;
    border: 1px solid rgba(232, 226, 212, 0.25);
    border-radius: 4px;
    padding: 4px;
    cursor: pointer;
}

.ed-row button:hover { background: #3a3226; }

.ed-files {
    margin: 8px 0 0;
    padding: 6px 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    font: 12px/1.5 ui-monospace, monospace;
    white-space: pre-wrap;
    word-break: break-all;
}

.ed-help {
    margin: 8px 0 0;
    opacity: 0.6;
    font-size: 12px;
}

.ed-errors {
    position: fixed;
    right: 10px;
    bottom: 10px;
    max-width: min(640px, calc(100% - 290px));
    max-height: 45%;
    overflow: auto;
    padding: 8px 10px;
    background: rgba(90, 10, 10, 0.92);
    border: 1px solid #ff8a7a;
    border-radius: 6px;
    z-index: 10;
}

.ed-errors pre {
    margin: 0 0 6px;
    font: 12px/1.4 ui-monospace, monospace;
    white-space: pre-wrap;
    color: #ffe0da;
}