:root{--ink:#18221d;--muted:#718078;--line:#e6ece8;--paper:#fff;--wash:#f5f8f6;--green:#276b4e;--green-dark:#1b523b;--mint:#e5f2eb;--danger:#bd4747}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--wash);color:var(--ink);font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}button,input{font:inherit}a,button{-webkit-tap-highlight-color:transparent}button{cursor:pointer}.app-shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;display:flex;flex-direction:column;gap:28px;padding:26px 18px 20px;background:#eef4f0;border-right:1px solid #dfe8e2}.brand{display:flex;align-items:center;gap:11px;padding:0 9px;font-size:18px;font-weight:750;letter-spacing:-.4px}.brand-mark{width:54px;height:54px;display:grid;place-items:center;color:white;background:linear-gradient(145deg,#377c5e,#1d553d);border-radius:18px;box-shadow:0 12px 30px #23634430}.brand-mark.small{width:34px;height:34px;border-radius:11px;box-shadow:none}nav{display:grid;grid-gap:6px;gap:6px}.nav-item{width:100%;border:0;text-decoration:none;color:#5a6961;background:transparent;display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:11px;font-size:14px}.nav-item.active,.nav-item:hover{color:var(--green-dark);background:#dfece4}.nav-item.active{font-weight:650}.storage-card{margin-top:auto;display:grid;grid-gap:5px;gap:5px;padding:16px;border:1px solid #d8e4dc;border-radius:15px;background:#f8fbf9}.storage-card strong{margin-top:8px;font-size:16px}.storage-card>span{font-size:12px;color:var(--muted)}.storage-heading{display:flex;align-items:center;gap:8px;color:#52635a;font-size:13px}.storage-meter{height:6px;margin-top:7px;overflow:hidden;background:#e3ebe6;border-radius:999px}.storage-meter i{display:block;height:100%;background:linear-gradient(90deg,#377c5e,#77b68e);border-radius:inherit}.logout{text-align:left}.sidebar 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#276b4e26}.primary-button:hover{background:var(--green-dark)}.primary-button:disabled{opacity:.6}.primary-button.compact{padding:10px 15px}.secondary-button{color:#3e5549;background:white;border:1px solid #dce5df}.secondary-button:hover{background:#f6f9f7}.danger-button{color:var(--danger);background:#fff0f0}.text-button{color:#617067;background:transparent}.content{padding:30px 38px 60px}.breadcrumb{height:24px;display:flex;align-items:center;gap:5px;font-size:13px;color:#89958e}.breadcrumb a{color:#6f7e76;text-decoration:none}.title-row{display:flex;align-items:flex-end;justify-content:space-between;margin:14px 0 25px}.title-row h1{margin:0 0 5px;font-size:28px;letter-spacing:-.8px}.title-row p{margin:0;color:var(--muted);font-size:13px}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));grid-gap:15px;gap:15px}.file-card{position:relative;min-width:0;padding:17px;background:var(--paper);border:1px solid var(--line);border-radius:15px;transition:.18s 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span{color:var(--muted);font-size:12px}.item-actions{position:absolute;z-index:2;top:12px;right:10px;display:flex;gap:3px;opacity:0;transition:.15s}.file-card:hover .item-actions{opacity:1}.item-actions a,.item-actions button{width:31px;height:31px;display:grid;place-items:center;color:#68766e;background:#f7f9f8;border:0;border-radius:8px}.item-actions a:hover,.item-actions button:hover{color:var(--green);background:#e8f1eb}.item-actions .danger-icon:hover{color:var(--danger);background:#fff0f0}.empty-state{min-height:390px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted)}.empty-icon{width:72px;height:72px;display:grid;place-items:center;margin-bottom:16px;color:#769081;background:var(--mint);border-radius:24px}.empty-icon svg{width:32px;height:32px}.empty-state h2{margin:0 0 7px;color:#3e5046;font-size:18px}.empty-state 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.file-card{padding-bottom:17px}.public-download{position:absolute;z-index:2;right:13px;bottom:13px;display:flex;align-items:center;gap:5px;padding:7px 10px;color:var(--green);background:#e7f1eb;border-radius:8px;text-decoration:none;font-size:12px;font-weight:650}.public-download:hover{background:#dcebe2}.upload-panel{position:fixed;z-index:15;right:24px;bottom:24px;width:min(370px,calc(100vw - 48px));padding:16px;background:white;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px #243b2f26}.panel-title{display:flex;justify-content:space-between;font-weight:700;font-size:14px}.panel-title button{border:0;background:transparent;color:#738078}.upload-row{margin-top:14px}.upload-row>div:first-child{display:flex;justify-content:space-between;gap:10px;font-size:12px}.upload-row span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-row 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40px}.file-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.file-card{padding:14px}.item-actions{opacity:1}.title-row h1{font-size:24px}.modal-actions.spread{align-items:stretch;flex-direction:column-reverse}.modal-actions.spread>div{justify-content:flex-end}.share-form{grid-template-columns:1fr}.share-error,.share-form .primary-button{grid-column:1}.share-modal{padding:20px}.share-dialog-heading h2{font-size:18px}.public-share-header{padding:0 18px}.public-share-content{width:calc(100% - 36px);padding-top:25px}.share-title{align-items:flex-start;flex-direction:column}.share-title h1{font-size:24px}.share-unlock-card{padding:32px 26px}}