:root{--accent:#0078d4;--toolbar-h:50px;--panel-bg:#1a1a1a}html,body{margin:0;padding:0;height:100%;background:#0a0a0a;color:#fff;font-family:-apple-system,BlinkMacSystemFont,segoe ui,Roboto,Helvetica,Arial,sans-serif;overflow:hidden;user-select:none;height:100vh;display:flex;flex-direction:column}.toolbar{flex-shrink:0;background:var(--panel-bg);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:6px 15px;border-bottom:1px solid #333;position:relative;z-index:100}.title-bar{background:#252525;color:#fff;font-size:11px;font-weight:700;letter-spacing:1.5px;padding:0 15px;border-bottom:1px solid #3a3a3a;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.expiry-notice{color:#f44;margin-left:10px;opacity:.8}.control-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.stats-container{display:flex;gap:8px}.toolbar label,.zoom{font-size:11px;color:#888;text-transform:uppercase;letter-spacing:1px}select{background:#2a2a2a;color:#fff;border:1px solid #444;padding:5px 10px;outline:none;font-size:13px}select:hover{cursor:pointer}.stats-wrapper{display:flex;gap:5px}.stats-badge{background:#2a2a2a;border:1px solid #444;border-radius:2px;padding:4px 8px;font-family:monospace;font-size:10px;color:#aaa;white-space:nowrap;transition:opacity .2s ease}.stats-badge .res{display:inline-block}.stats-badge .size{color:#00bcd4}.stats-badge b{color:var(--accent)}button{background:#333;color:#fff;border:1px solid transparent;padding:6px 15px;cursor:pointer;font-weight:700;transition:background .2s;transition:all .2s ease}button:hover{background:#444}button.active{background:var(--accent);color:#fff;box-shadow:0 0 10px rgba(0,120,212,.5);border:1px solid #fff;text-shadow:0 0 5px rgba(255,255,255,.3)}button:disabled{opacity:.3;cursor:not-allowed;filter:grayscale(1)}button#smoothBtn.active{background:#ff9800;color:#fff;border:1px solid #fff}.zoom{display:inline-flex;align-items:center;gap:2px}#fitBtn.pixel-mode-active{opacity:.3;cursor:not-allowed;filter:grayscale(1)}#zoomLevelInfo{font-weight:700;color:var(--accent)}.viewer{position:relative;width:100vw;height:calc(100vh - 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var(--toolbar-h));touch-action:none}.quality-lossy{font-size:10px;color:#ff9800;background:rgba(255,152,0,.1);border:1px solid rgba(255,152,0,.2);padding:2px 6px;border-radius:2px;font-family:monospace}.quality-lossy.lossless{background:rgba(76,175,80,.15);color:#4caf50;border-color:rgba(76,175,80,.4)}.hidden{display:none!important}@media(max-width:1500px){.toolbar{justify-content:center}.stats-container{order:3;width:100%;justify-content:center}}@media(max-width:800px){.toolbar{padding:10px}.control-group{width:100%;justify-content:center}select{max-width:140px}}@media(max-width:768px){:root{--toolbar-h:auto}.toolbar{flex-wrap:wrap;padding:10px;gap:8px;justify-content:center}.stats-badge{width:100%;justify-content:center}.toolbar label{font-size:10px}select{padding:4px 6px;font-size:12px;max-width:120px}button,.stats-badge{flex:initial;width:auto;font-size:11px}.control-group{justify-content:center;flex-wrap:wrap;width:100%}.hint{width:80%;text-align:center;font-size:10px;bottom:10px}button:disabled{opacity:.4;cursor:not-allowed;filter:grayscale(1);pointer-events:none}}@media(max-width:480px){.stats-badge{font-size:9px}.zoom{display:none}#qualityNotice{display:none}.control-group{gap:5px}button{font-size:12px;padding:4px 10px}#spacer{display:none}}