:root{--bg:#1e1e1e;--panel:#252526;--surface:#2d2d30;--border:#3e3e42;--text:#f4f4f5;--text-secondary:#a1a1aa;--accent:#007acc;--accent-hover:#1a8ad9;--accent-pressed:#0a5a99;--success:#22c55e;--warning:#eab308;--error:#ef4444}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Inter,SF Pro Text,Segoe UI,Helvetica Neue,Arial,sans-serif;font-size:13px}button{font:inherit;color:var(--text);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:6px;padding:6px 14px}button:hover:not(:disabled){background:var(--surface);border-color:var(--text-secondary)}button:active:not(:disabled){background:var(--border)}button:disabled{color:var(--text-secondary);cursor:default;opacity:.6}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}input[type=text],input[type=search]{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 10px}input[type=text]:focus,input[type=search]:focus{border-color:var(--accent);outline:none}.app{flex-direction:column;height:100%;display:flex}.toolbar{background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;height:44px;padding:0 12px 0 18px;display:flex}.toolbar .spacer{flex:1}.icon-button{justify-content:center;align-items:center;width:28px;height:28px;padding:0;display:inline-flex}.main{flex:1;min-height:0;display:flex}.sidebar{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;width:260px;min-width:180px;display:flex}.sidebar-header{justify-content:space-between;align-items:center;padding:10px 12px 6px;font-weight:600;display:flex}.sidebar-header .counter{color:var(--text-secondary);font-size:12px;font-weight:400}.filter-row{padding:0 12px 8px}.filter-row input{width:100%}.file-list{flex:1;padding:0 6px 6px;overflow-y:auto}.file-row{cursor:pointer;text-align:left;border:none;border-radius:6px;align-items:center;gap:10px;width:100%;margin:2px 0;padding:6px 8px;display:flex}.file-row:hover,.file-row.selected{background:var(--surface)}.file-thumb{background:var(--surface);object-fit:cover;border-radius:4px;flex-shrink:0;width:44px;height:44px}.file-dot{background:var(--text-secondary);border-radius:50%;flex-shrink:0;width:8px;height:8px}.file-dot.error{background:var(--error)}.file-dot.analysing{background:var(--accent)}.file-dot.checked{background:var(--success)}.file-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.canvas-area{flex:1;min-width:0;display:flex;position:relative}.canvas-area canvas{width:100%;height:100%;display:block}.canvas-controls{background:var(--panel);border:1px solid var(--border);border-radius:8px;gap:6px;padding:6px;display:flex;position:absolute;bottom:16px;right:16px}.canvas-controls button{border:none;width:28px;height:28px;padding:0;font-size:16px;font-weight:700}.canvas-controls button:hover{color:var(--accent);background:0 0}.canvas-hint{pointer-events:none;flex-direction:column;justify-content:center;align-items:center;padding:24px;display:flex;position:absolute;inset:0}.canvas-hint>.canvas-hint-card{text-align:center;max-width:460px;color:var(--text);background:color-mix(in srgb, var(--panel) 90%, transparent);border:1px solid var(--border);border-radius:10px;padding:16px 20px;box-shadow:0 8px 24px #00000040}.canvas-hint h2{color:var(--text);margin:0 0 8px;font-size:18px}.canvas-hint p{color:var(--text-secondary);margin:0;font-size:13px;line-height:1.5}.preview-panel{background:var(--panel);border-left:1px solid var(--border);flex-direction:column;flex-shrink:0;width:300px;min-width:240px;display:flex}.preview-header{padding:10px 12px 6px;font-weight:600}.preview-list{flex-direction:column;flex:1;gap:8px;padding:8px;display:flex;overflow-y:auto}.preview-card{cursor:pointer;flex-direction:column;align-items:center;gap:4px;display:flex}.preview-card img{border:1px solid var(--border);background:var(--surface);border-radius:6px;display:block}.preview-card .info{color:var(--text-secondary);font-size:11px}.preview-card-grid{grid-template-rows:auto 18px;grid-template-columns:18px minmax(0,220px) 18px;place-items:center;gap:2px;display:grid}.preview-card-grid img{grid-area:1/2}.side-button-left{grid-area:1/1}.side-button-right{grid-area:1/3}.preview-side-buttons button,.side-button{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:16px;height:16px;padding:0;font-size:8px;font-weight:700;line-height:1;display:inline-flex}.side-button:hover{background:var(--accent);border-color:var(--accent);color:#fff}.side-button-bottom{grid-area:2/2}.status-bar{background:var(--panel);border-top:1px solid var(--border);height:28px;color:var(--text-secondary);flex-shrink:0;align-items:center;gap:16px;padding:0 12px;font-size:12px;display:flex}.build-stamp{background:var(--panel);border-top:1px solid var(--border);color:var(--text-secondary);flex-shrink:0;gap:16px;padding:2px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex}.progress{background:var(--surface);border-radius:2px;width:120px;height:4px;overflow:hidden}.progress>div{background:var(--accent);height:100%;transition:width .15s linear}.welcome{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:40px;display:flex}.welcome h1{margin:0;font-size:32px}.welcome p{color:var(--text-secondary);margin:0}.welcome .drop-active{outline:2px dashed var(--accent);outline-offset:-16px}.modal-backdrop{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg);border:1px solid var(--border);border-radius:10px;flex-direction:column;width:min(1200px,94vw);height:min(820px,92vh);display:flex}.modal-body{flex:1;gap:16px;min-height:0;padding:16px;display:flex}.modal-image{background:var(--surface);border-radius:8px;flex:3;justify-content:center;align-items:center;min-width:0;display:flex;overflow:auto}.editor-image-grid{box-sizing:border-box;grid-template-rows:minmax(0,1fr) 24px;grid-template-columns:24px minmax(0,1fr) 24px;place-items:center;gap:8px;padding:12px;display:grid}.editor-image{object-fit:contain;grid-area:1/2;place-self:center;min-width:0;max-width:100%;min-height:0;max-height:100%;margin:0}.editor-image-grid>.side-button-left{grid-area:1/1}.editor-image-grid>.side-button-right{grid-area:1/3}.editor-image-grid>.side-button-bottom{grid-area:2/2}.modal-controls{flex-shrink:0;width:360px;padding-right:4px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:12px 16px;display:flex}.control-section{margin-bottom:14px}.control-section h3{margin:0 0 8px;font-size:13px}.control-row{align-items:center;gap:10px;margin-bottom:6px;display:flex}.control-row label{width:90px;color:var(--text-secondary);flex-shrink:0;font-size:12px}.control-row input[type=range]{flex:1}.control-row input[type=number]{width:64px;font:inherit;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:2px 6px}.toggle{cursor:pointer;align-items:center;gap:8px;display:inline-flex}.toggle input{appearance:none;background:var(--border);cursor:pointer;border-radius:10px;width:36px;height:20px;transition:background .15s;position:relative}.toggle input:after{content:"";background:#fff;border-radius:50%;width:16px;height:16px;transition:left .15s;position:absolute;top:2px;left:2px}.toggle input:checked{background:var(--accent)}.toggle input:checked:after{left:18px}.select-toggle{color:var(--text-secondary);cursor:pointer;align-items:center;gap:6px;font-size:12px;display:inline-flex}.select-toggle select{background:var(--bg-elevated,var(--border));color:var(--text);border:1px solid var(--border);font:inherit;border-radius:6px;padding:3px 6px}.select-toggle input[type=range]{width:90px;accent-color:var(--accent)}.select-toggle input[type=range]:disabled{opacity:.4}.quality-value{text-align:right;font-variant-numeric:tabular-nums;min-width:22px}.preset-list{flex-direction:column;gap:4px;max-height:140px;margin-bottom:8px;display:flex;overflow-y:auto}.preset-row{gap:4px;display:flex}.preset-apply{text-align:left;flex:1;padding:4px 8px;font-size:12px}.preset-remove{width:26px;color:var(--text-secondary);padding:4px 0;font-size:13px;line-height:1}.preset-save{gap:4px;display:flex}.preset-save input{background:var(--bg);min-width:0;color:var(--text);border:1px solid var(--border);font:inherit;border-radius:6px;flex:1;padding:4px 8px;font-size:12px}.notifications{z-index:80;flex-direction:column;gap:8px;max-width:420px;display:flex;position:fixed;bottom:44px;right:16px}.notification{background:var(--panel);border:1px solid var(--border);border-left-width:4px;border-radius:8px;padding:10px 12px;box-shadow:0 6px 24px #00000059}.notification.info{border-left-color:var(--accent)}.notification.warning{border-left-color:var(--warning)}.notification.error{border-left-color:var(--error)}.notification h4{margin:0 0 4px;font-size:13px}.notification p{color:var(--text-secondary);white-space:pre-wrap;margin:0;font-size:12px}.notification button{margin-top:6px;padding:2px 10px;font-size:11px}