:root{color-scheme:dark;--bg:#0b1220;--panel:#121d2e;--panel2:#18263a;--line:#293a52;--text:#eef4ff;--muted:#a3b2c8;--accent:#68a5ff;--green:#8be0b1;--danger:#ffb1b1}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at top,#172844 0,#0b1220 55%);color:var(--text);font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100vh}.topbar{height:auto;min-height:70px;padding:12px max(16px,calc((100vw - 1440px)/2));display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);background:#0d1727eF;position:sticky;top:0;z-index:3;backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:12px}.brand strong,.brand small{display:block}.brand strong{font-size:18px}.brand small{font-size:12px;color:var(--muted)}.logo{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(140deg,#77b1ff,#4b67de);font-weight:900;color:#081426}.container{max-width:1440px;margin:24px auto;padding:0 16px 40px}.panel{background:linear-gradient(145deg,#142035,#101a2a);border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 32px #0002}.welcome{max-width:760px;margin:7vh auto;padding:clamp(22px,5vw,48px);text-align:center}.hero-icon{width:70px;height:70px;border-radius:20px;background:#203657;color:#8abaff;font-size:40px;display:grid;place-items:center;margin:0 auto 18px}.welcome h1{font-size:clamp(26px,5vw,40px);line-height:1.1;margin:0 0 16px}.welcome p{color:var(--muted);max-width:620px;margin:0 auto 22px}.welcome .fine{font-size:12px;margin-top:22px}.file-button{display:inline-flex;align-items:center;justify-content:center;cursor:pointer}#fileInput{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.button{border:1px solid transparent;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer;font:inherit;white-space:nowrap}.button:disabled{opacity:.45;cursor:not-allowed}.primary{background:#6ca7ff;color:#061426}.secondary{background:#1a2b43;border-color:#354963;color:var(--text)}.status{padding:12px 15px;border:1px solid #36506e;background:#12243b;border-radius:12px;margin-bottom:14px;color:#c8d9f0;overflow-wrap:anywhere}.status.good{border-color:#2b6a54;color:#a8f1ca}.status.error{border-color:#824c55;color:#ffc0c0}.stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-bottom:14px}.stat{padding:13px 15px;min-width:0}.stat span{display:block;color:var(--muted);font-size:12px}.stat b{display:block;font-size:21px;margin-top:4px;overflow-wrap:anywhere}.toolbar{padding:12px;display:flex;gap:10px;align-items:center;margin-bottom:14px}.toolbar input,.toolbar select{min-width:0;background:#0b1524;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit}.toolbar input{flex:1}.main-grid{display:grid;grid-template-columns:minmax(280px,0.82fr) minmax(0,1.5fr);gap:14px;align-items:stretch}.file-panel,.viewer-panel{min-width:0;overflow:hidden}.panel-title{padding:15px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px}.panel-title h2{font-size:16px;margin:0}.panel-title p{margin:4px 0 0}.muted{color:var(--muted);font-size:12px}.pill{font-size:12px;color:#d3e3ff;background:#233854;border:1px solid #344e70;border-radius:99px;padding:4px 8px;white-space:nowrap}.file-list{max-height:68vh;overflow:auto;padding:7px}.file-row{width:100%;border:1px solid transparent;background:transparent;color:var(--text);padding:10px;border-radius:9px;text-align:left;display:flex;gap:10px;align-items:flex-start;cursor:pointer}.file-row:hover{background:#1a2b42}.file-row.active{background:#203b5e;border-color:#4b7fba}.file-icon{width:28px;flex:0 0 28px;height:28px;border-radius:8px;background:#23344c;display:grid;place-items:center;font-size:12px;font-weight:800;color:#b8d5ff}.file-info{min-width:0;flex:1}.file-name{display:block;font-weight:650;overflow-wrap:anywhere}.file-path{display:block;font-size:11px;color:var(--muted);overflow-wrap:anywhere;margin-top:2px}.file-size{font-size:11px;color:#b4c4da;white-space:nowrap}.viewer-panel{min-height:500px}.viewer-empty{display:grid;place-items:center;min-height:360px;padding:30px;color:var(--muted);text-align:center}.text-editor{width:100%;min-height:65vh;resize:vertical;background:#08111d;color:#e3edff;border:0;border-radius:0;padding:16px;font:13px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2;outline:none}.image-preview{max-width:100%;max-height:70vh;object-fit:contain;display:block;margin:20px auto;background:repeating-conic-gradient(#1d2b40 0 25%,#142033 0 50%) 0/20px 20px;border-radius:8px}.binary-view{padding:16px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;color:#c9d8ee;font:12px/1.6 ui-monospace,monospace}.footer-note{margin-top:14px;padding:14px 16px;color:var(--muted);font-size:13px}.footer-note b{color:var(--text)}.empty-list{padding:24px;text-align:center;color:var(--muted)}[hidden]{display:none!important}@media(max-width:900px){.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.main-grid{grid-template-columns:1fr}.file-list{max-height:38vh}.viewer-panel{min-height:380px}.text-editor{min-height:55vh}}@media(max-width:560px){.container{margin:14px auto;padding:0 10px 28px}.topbar{padding:10px}.brand small{max-width:190px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.toolbar{flex-wrap:wrap}.toolbar input{flex-basis:100%}.toolbar select{flex:1}.toolbar .button{flex:1}.panel-title{padding:12px}.stat b{font-size:18px}.welcome{margin:3vh auto}.file-size{display:none}}