:root{color:#132033;--glass-bg:#ffffff1a;--glass-panel:linear-gradient(135deg, #ffffff1a, #ffffff1a);--glass-strong:#ffffff1a;--glass-soft:#ffffff1a;--glass-border:#ffffff94;--glass-shadow:0 18px 42px #0f172a2e;--glass-blur:blur(20px) saturate(1.25);--ink:#132033;--muted:#526174;--accent:#087a8d;background:#dceaf2;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:#dceaf2;height:100%;min-height:100%;overflow:hidden}body{min-width:320px;height:100%;min-height:100vh;color:var(--ink);background:0 0;margin:0;position:relative;overflow:hidden}body:before{content:"";z-index:0;pointer-events:none;background:linear-gradient(#07121f14,#07121f2e),url(/assets/mobile-background-D61zvzH6.jpeg) 50%/cover no-repeat;position:fixed;inset:0}@media (width>=821px){body:before{background:linear-gradient(#07121f14,#07121f29),url(/assets/desktop-background-DtMNfh9r.jpeg) 50%/cover no-repeat}}#app{z-index:1;-webkit-overflow-scrolling:touch;height:100dvh;position:relative;overflow-y:auto}button,input,select{font:inherit}button{cursor:pointer;border:0;border-radius:6px;min-height:42px}button:disabled{cursor:wait;opacity:.65}input,select{width:100%;min-height:42px;color:var(--ink);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid #ffffff9e;border-radius:6px;padding:0 12px;box-shadow:inset 0 1px #ffffff6b}label span{color:var(--muted);margin-bottom:6px;font-size:13px;display:block}.app-shell{width:min(1180px,100vw - 32px);margin:0 auto;padding:28px 0 36px}.app-topbar{justify-content:space-between;align-items:center;gap:16px;padding:14px 0 22px;display:flex}.eyebrow{color:#132033bd;margin:0 0 6px;font-size:13px}h1,h2,h3,p{letter-spacing:0;margin:0}h1{color:var(--ink);text-shadow:0 1px 18px #ffffff75;font-size:34px;font-weight:720}h2{color:var(--ink);font-size:19px;font-weight:680}h3{overflow-wrap:anywhere;max-width:100%;color:var(--ink);font-size:15px;font-weight:650}.device-pill{border:1px solid var(--glass-border);color:#075f6f;background:var(--glass-bg);min-width:88px;-webkit-backdrop-filter:var(--glass-blur);text-align:center;border-radius:999px;padding:8px 12px;font-size:13px;box-shadow:0 8px 24px #0f172a1a}.workspace{grid-template-columns:320px 1fr;align-items:start;gap:16px;display:grid}.side-panel,.main-panel,.upload-panel,.download-panel,.file-row,.empty-state,.empty-inline{border:1px solid var(--glass-border);background:var(--glass-panel);box-shadow:var(--glass-shadow), inset 0 1px 0 #ffffffa3, inset 0 -1px 0 #ffffff38;-webkit-backdrop-filter:var(--glass-blur);border-radius:8px}.side-panel,.main-panel{min-width:0;overflow:hidden}.panel-section{-webkit-backdrop-filter:var(--glass-blur);background:#ffffff1a;border-bottom:1px solid #ffffff73;gap:16px;padding:18px;display:grid}.panel-section:last-child{border-bottom:0}.stack{gap:12px;display:grid}.microcopy{color:var(--muted);font-size:12px;line-height:1.45}.hidden{display:none}.segmented{background:var(--glass-soft);-webkit-backdrop-filter:var(--glass-blur);border:1px solid #ffffff8f;border-radius:8px;grid-template-columns:1fr 1fr;gap:4px;padding:4px;display:grid}.mode{min-height:36px;color:var(--muted);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur)}.mode.active{color:var(--ink);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);box-shadow:0 6px 18px #0f172a1a}.primary{color:#fff;-webkit-backdrop-filter:var(--glass-blur);background:#132033b3;box-shadow:0 12px 28px #0f172a2e}.secondary{border:1px solid var(--glass-border);color:var(--ink);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);box-shadow:0 8px 20px #0f172a1a}.identity-list{gap:10px;margin:0;display:grid}.identity-list div{justify-content:space-between;gap:12px;display:flex}.identity-list dt{color:var(--muted);font-size:13px}.identity-list dd{color:var(--ink);text-align:right;overflow-wrap:anywhere;margin:0;font-size:13px}.limit-grid{grid-template-columns:1fr;gap:8px;display:grid}.limit-grid div{background:var(--glass-soft);min-height:38px;-webkit-backdrop-filter:var(--glass-blur);border:1px solid #ffffff7a;border-radius:6px;justify-content:space-between;align-items:center;padding:8px 10px;display:flex}.limit-grid strong{font-size:16px}.limit-grid span{color:var(--muted);font-size:13px}.empty-state{gap:10px;min-height:118px;padding:28px;display:grid}.empty-state p,.toolbar p,.hint,.file-row p{color:var(--muted);font-size:14px;line-height:1.5}.toolbar{-webkit-backdrop-filter:var(--glass-blur);background:#ffffff1a;border-bottom:1px solid #ffffff6b;justify-content:space-between;align-items:center;gap:16px;padding:18px;display:flex}.toolbar>div{gap:5px;display:grid}.upload-panel{margin:16px;padding:16px}.download-panel{gap:8px;margin:0 16px 16px;padding:14px 16px;display:grid}.upload-form{grid-template-columns:minmax(180px,1fr) minmax(180px,1fr) auto;align-items:end;gap:12px;display:grid}.file-picker{gap:6px;display:grid}.file-picker input{padding:9px 10px}.hint{margin-top:10px}.upload-progress{gap:8px;margin-top:12px;display:grid}.progress-meta{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:13px;display:flex}.progress-meta strong{color:var(--ink);font-weight:680}.progress-track{width:100%;height:9px;-webkit-backdrop-filter:var(--glass-blur);background:#ffffff7a;border:1px solid #ffffff8c;border-radius:999px;overflow:hidden}.progress-fill{border-radius:inherit;background:#087a8dc7;height:100%;transition:width .14s}.file-list{gap:10px;padding:0 16px 16px;display:grid}.file-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px;display:grid}.file-row>div:first-child{gap:5px;min-width:0;display:grid}.row-actions{gap:8px;display:flex}.icon-button{border:1px solid var(--glass-border);width:42px;min-width:42px;color:var(--ink);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);padding:0;font-size:20px;line-height:1;box-shadow:0 8px 20px #0f172a1a}.icon-button.danger{color:#b42318;border-color:#f1b7b2}.empty-inline{color:var(--muted);text-align:center;padding:20px}.toast{opacity:0;pointer-events:none;border:1px solid var(--glass-border);max-width:min(420px,100vw - 36px);color:var(--ink);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border-radius:8px;padding:12px 14px;transition:opacity .16s,transform .16s;position:fixed;bottom:18px;right:18px;transform:translateY(16px);box-shadow:0 16px 32px #0f172a1f}.toast.show{opacity:1;transform:translateY(0)}@media (width<=820px){.app-shell{width:min(100vw - 24px,620px);padding-top:18px}.app-topbar,.toolbar{flex-direction:column;align-items:flex-start}h1{font-size:29px}.workspace,.upload-form{grid-template-columns:1fr}.device-pill{min-width:0}.upload-panel{margin:12px}.download-panel{margin:0 12px 12px}.file-list{padding:0 12px 12px}}