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900px}html,body,#root{width:100%;height:100%}body{overflow-x:hidden}body{background:var(--bg);color:var(--text);font-family:var(--font-ui);overflow:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}html:has(.app-landing),body:has(.app-landing),body:has(.app-landing)>#root{height:auto;min-height:100%}body:has(.app-landing){overflow-y:auto}.app{width:100vw;height:100vh;display:flex;flex-direction:column;overflow:hidden}.header{flex-shrink:0;height:0;overflow:hidden;padding:0}.header h1{display:none}.main{flex:1;min-height:0;display:flex;flex-direction:column}.upload-screen{position:relative;align-items:center;justify-content:center}.upload-back-btn{position:absolute;top:20px;left:20px;display:flex;align-items:center;gap:4px;padding:6px 10px;border:none;border-radius:8px;background:transparent;color:var(--text-muted);font-family:var(--font-ui);font-size:13px;cursor:pointer;opacity:.64;transition:opacity .15s,background 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