:root{--ink:#172323;--muted:#64706d;--paper:#f6f5ef;--card:#fffefa;--line:#deddd5;--green:#0d5b4d;--lime:#d9f56d;--orange:#ec7a3b}*{box-sizing:border-box}body,html{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr}.auth-art{background:#123d36;color:white;padding:8vw;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}.auth-art:after{content:"";position:absolute;width:520px;height:520px;border:1px solid #7ca59d;border-radius:50%;right:-180px;top:70px;box-shadow:0 0 0 70px #123d36,0 0 0 71px #52776f,0 0 0 140px #123d36,0 0 0 141px #52776f}.brand{font-family:Georgia,serif;font-size:28px;letter-spacing:-1px}.auth-quote{font:42px/1.08 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8}.span-4{grid-column:span 4}.span-6{grid-column:span 6}.stat{font:42px Georgia,serif}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:750;color:var(--green)}.hero{background:var(--green);color:white;min-height:210px;position:relative;overflow:hidden}.hero h2{font-size:38px;max-width:550px;margin:15px 0}.hero:after{content:"";position:absolute;width:230px;height:230px;border:34px solid var(--lime);border-radius:50%;right:-65px;top:35px;opacity:.9}.paper-list{display:grid;grid-gap:10px;gap:10px}.paper-row{border-top:1px solid var(--line);padding:14px 0;display:flex;gap:12px;justify-content:space-between}.paper-title{font-family:Georgia,serif;font-size:18px}.chip{font-size:12px;border-radius:20px;padding:5px 9px;background:#e7eee9;color:var(--green);display:inline-block}.searchbar{display:flex;gap:10px}.search-input{flex:1 1}.status-dot{width:8px;height:8px;background:#5cb85c;border-radius:50%;display:inline-block}.upload-zone{border:1.5px dashed 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var(--line);border-radius:8px;padding:10px}.citation{border-left:3px solid var(--orange);padding:9px 12px;background:#fff7ee;margin:8px 0;cursor:pointer}.mobile-nav{display:none}@media(max-width:900px){.auth-shell{grid-template-columns:1fr}.auth-art{display:none}.shell{grid-template-columns:1fr}.sidebar{display:none}.main{padding:20px}.span-4,.span-6,.span-8{grid-column:span 12}.reader{grid-template-columns:1fr}.reader-left,.reader-right{display:none}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:20;background:#173f38;color:white;justify-content:space-around;padding:12px}}