:root{--bg: #0a0e13;--panel: #121821;--panel-2: #1a2230;--border: #2a3540;--text: #e8edf3;--muted: #8a96a8;--accent: #a4f0c1;--accent-2: #6ee7ff;--danger: #ff6b6b;font-family:ui-sans-serif,-apple-system,Inter,Segoe UI,Roboto,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);height:100%;overflow:hidden}#app{display:grid;grid-template-columns:340px 1fr;grid-template-rows:auto 1fr;grid-template-areas:"header header" "sidebar viewer";height:100vh}header{grid-area:header;padding:14px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:linear-gradient(180deg,var(--panel-2),var(--panel))}header>div:first-child{min-width:0;flex:1 1 auto}header .links{flex:0 0 auto;white-space:nowrap}header h1{margin:0;font-size:18px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}header h1 .accent{color:var(--accent)}header .sub{color:var(--muted);font-size:12px;margin-left:12px}@media (max-width: 900px){header .sub{display:none}}header .links a{color:var(--muted);font-size:12px;text-decoration:none;margin-left:14px}header .links a:hover{color:var(--accent-2)}aside{grid-area:sidebar;background:var(--panel);border-right:1px solid var(--border);padding:18px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}main.viewer{grid-area:viewer;position:relative;background:var(--bg)}main.viewer .placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);pointer-events:none;text-align:center;padding:20px}main.viewer .placeholder .big{font-size:22px;color:var(--text);margin-bottom:8px}.dropzone{border:1.5px dashed var(--border);border-radius:10px;padding:22px 14px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:var(--panel-2)}.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:#a4f0c10d}.dropzone strong{display:block;margin-bottom:4px;color:var(--text)}.dropzone span{color:var(--muted);font-size:12px}.dropzone input{display:none}.thumb{margin-top:12px;border-radius:8px;overflow:hidden;border:1px solid var(--border);display:none}.thumb.visible{display:block}.thumb img{width:100%;display:block}section.controls{display:flex;flex-direction:column;gap:14px}section.controls h2{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 4px}label.slider{display:flex;flex-direction:column;gap:6px;font-size:13px}label.slider .row{display:flex;justify-content:space-between;color:var(--muted)}label.slider .row b{color:var(--accent-2);font-variant-numeric:tabular-nums;font-weight:500}label.dropdown{display:flex;flex-direction:column;gap:6px;font-size:13px}label.dropdown .row-label{color:var(--muted);font-size:13px}label.dropdown select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:13px;font-family:inherit;outline:none;cursor:pointer}label.dropdown select:focus{border-color:var(--accent)}label.dropdown input[type=text],label.dropdown input[type=password],label.dropdown input[type=number]{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:13px;font-family:ui-monospace,SF Mono,Menlo,monospace;outline:none}label.dropdown input:focus{border-color:var(--accent)}.hint{font-size:11px;color:var(--muted);line-height:1.4;margin:-4px 0 2px}.hint a{color:var(--accent-2);text-decoration:none}.hint a:hover{text-decoration:underline}button.mini{background:var(--panel-2);color:var(--accent-2);border:1px solid var(--border);border-radius:4px;padding:1px 8px;font-size:10px;font-weight:600;font-family:inherit;text-transform:uppercase;letter-spacing:.05em;cursor:pointer;margin-right:8px;transition:border-color .12s,color .12s}button.mini:hover{border-color:var(--accent);color:var(--accent)}.seg{display:flex;gap:4px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:3px}.seg-btn{flex:1;background:transparent;border:none;color:var(--muted);font-family:inherit;font-size:12px;font-weight:500;padding:6px 8px;border-radius:5px;cursor:pointer;transition:background .12s,color .12s;text-align:center;white-space:nowrap;min-width:0}.seg-btn:hover{color:var(--text)}.seg-btn.active{background:var(--panel);color:var(--accent);box-shadow:0 1px 3px #0000004d}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;background:transparent}input[type=range]::-webkit-slider-runnable-track{background:var(--panel-2);height:4px;border-radius:2px}input[type=range]::-moz-range-track{background:var(--panel-2);height:4px;border-radius:2px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;margin-top:-5px;background:var(--accent);border-radius:50%;cursor:pointer}input[type=range]::-moz-range-thumb{width:14px;height:14px;background:var(--accent);border:0;border-radius:50%;cursor:pointer}label.checkbox{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer}label.checkbox input{accent-color:var(--accent)}.actions{display:flex;gap:8px;flex-wrap:wrap}button{font-family:inherit;font-size:13px;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:9px 14px;cursor:pointer;transition:border-color .15s,background .15s}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background:var(--accent);color:#0a1a14;border-color:var(--accent);font-weight:600}button.primary:hover:not(:disabled){background:#b5f6cd}button.danger{background:transparent;color:var(--danger);border-color:var(--danger);font-weight:600}button.danger:hover:not(:disabled){background:#ff6b6b1a}.status{font-size:12px;color:var(--muted);min-height:16px}.status.err{color:var(--danger)}.progress{height:4px;background:var(--panel-2);border-radius:2px;overflow:hidden;margin-top:4px}.progress>div{height:100%;background:var(--accent);width:0%;transition:width .15s}.scope{font-size:11px;line-height:1.5;color:var(--muted);background:var(--panel-2);border-left:2px solid var(--accent);padding:10px 12px;border-radius:0 6px 6px 0}.scope b{color:var(--text)}footer{position:absolute;bottom:8px;right:12px;font-size:11px;color:var(--muted);background:#0a0e1399;padding:4px 8px;border-radius:4px}@media (max-width: 720px){#app{grid-template-columns:1fr;grid-template-rows:auto auto 1fr;grid-template-areas:"header" "sidebar" "viewer"}aside{max-height:50vh;border-right:none;border-bottom:1px solid var(--border)}}