:root{color-scheme:light;--bg:#fafafa;--surface:#fff;--text:#1b1b1b;--muted:#707070;--line:#e5e5e5;--soft:#f0f0f0;--action:#202020;--on-action:#fff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
button,a,label,input,textarea,select{-webkit-tap-highlight-color:transparent}
button,a,label{touch-action:manipulation}
button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}
button,a,input,textarea,select{outline-offset:4px}
:focus-visible{outline:2px solid var(--text)}
.hidden{display:none!important}
.topbar,main{width:min(100%,520px);margin:auto;padding-left:24px;padding-right:24px}
.topbar{height:calc(80px + env(safe-area-inset-top));padding-top:env(safe-area-inset-top);display:flex;align-items:center;justify-content:space-between}
.brand{color:var(--text);font-size:25px;letter-spacing:-1px;font-weight:650;text-decoration:none}
.icon-button{background:none;border:0;width:44px;height:44px;display:grid;place-items:center;border-radius:10px;font-size:28px;padding:10px}
.icon-button:hover{background:var(--soft)}
.icon-button svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.5;fill:var(--bg);stroke-linecap:round}
main{padding-bottom:calc(28px + env(safe-area-inset-bottom))}
h1,h2,p{margin:0}h1{font-size:24px;line-height:1.25;font-weight:600;letter-spacing:-.5px}h2{font-size:15px;font-weight:550}
.tabs{display:flex;gap:28px;border-bottom:1px solid var(--line);margin:8px 0 28px}
.tab{background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);padding:10px 0 14px;min-height:48px;font-size:15px;display:flex;gap:6px;align-items:center}
.tab.active{color:var(--text);border-color:var(--text)}
.count{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.destination-heading{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-bottom:8px}
label{display:block;font-size:14px}
#connection-label{color:var(--muted);font-size:12px}
select,input,textarea{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:10px;min-height:48px;padding:12px;font-size:16px}
select{cursor:pointer;margin-bottom:20px}
input:focus,textarea:focus,select:focus{border-color:var(--muted)}
textarea{resize:vertical;min-height:100px;line-height:1.5}
textarea::placeholder{color:var(--muted)}
.file-action{display:flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);min-height:96px;cursor:pointer;font-size:17px;font-weight:500}
.file-action:hover,.file-action.dragover{background:var(--soft);border-color:var(--muted)}
.file-action svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.file-limit{color:var(--muted);font-size:12px;margin-top:8px;text-align:center}
.text-label{margin:28px 0 8px}
.text-footer{display:flex;justify-content:flex-end;margin-top:10px}
.primary,.secondary,.danger{display:inline-flex;justify-content:center;align-items:center;min-height:46px;min-width:88px;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:500;text-decoration:none}
.primary{background:var(--action);color:var(--on-action)}
.primary:hover{opacity:.85}.secondary{background:var(--surface);border-color:var(--line)}
.danger{background:var(--surface);color:#a32d24;border-color:var(--line);margin-top:12px}
.full{width:100%}.text-button{background:none;border:0;padding:10px 4px;min-height:44px;color:var(--muted);font-size:14px}
.text-button:hover{color:var(--text)}
.recent{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.recent>h2{color:var(--muted);font-size:13px;margin-bottom:6px}
.item-list{display:flex;flex-direction:column}
.item{display:flex;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}.item-icon{width:28px;flex-shrink:0;color:var(--muted);font-size:22px;text-align:center}
.item-content{min-width:0;flex:1}.item-name{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item-meta{font-size:12px;color:var(--muted);margin-top:2px}.item .text-button{padding:10px;min-width:54px}
.inbox-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.inbox-heading h1{font-size:18px}
.empty{padding:40px 0;color:var(--muted);font-size:14px;text-align:center}
.login{padding-top:34px}.login h1{margin-bottom:8px}.login p{color:var(--muted);font-size:14px;margin-bottom:30px}
.login label{margin:20px 0 8px}.password-field{position:relative}.password-field input{padding-right:72px}
.password-field button{position:absolute;right:12px;top:2px}
.login .primary{margin-top:26px}.boot{padding:80px 0;text-align:center;color:var(--muted);font-size:14px}
.progress-wrap{margin-top:22px;font-size:12px}.progress-wrap>div{display:flex;gap:10px;justify-content:space-between;overflow-wrap:anywhere}
.progress-wrap p{color:var(--muted);font-size:12px;margin-top:6px}progress{width:100%;height:4px;accent-color:var(--text)}
.toast{position:fixed;bottom:calc(20px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);background:var(--action);color:var(--on-action);border-radius:10px;padding:12px 18px;font-size:14px;box-shadow:0 4px 20px #0001;z-index:20}
.toast.error{background:#8f3028;color:#fff}
dialog{color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:16px;width:calc(100% - 32px);max-width:460px;max-height:85dvh;padding:24px;overflow:auto;box-shadow:0 16px 70px #0002}
dialog::backdrop{background:#0004}.dialog-top{display:flex;justify-content:flex-end;margin:-12px -12px 8px}
dialog h2{font-size:20px;overflow-wrap:anywhere;line-height:1.3}.subtle,.small{font-size:12px;color:var(--muted);margin-top:8px}
pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--soft);padding:14px;border-radius:10px;font:14px/1.6 ui-monospace,monospace;max-height:35dvh;overflow:auto}
#download-ready{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.device{display:flex;align-items:center;gap:10px;padding:16px 0;border-bottom:1px solid var(--line)}
.device>div{flex:1}.device strong{font-size:14px;font-weight:500}.device p{font-size:12px;color:var(--muted);margin-top:2px}
.device-list{margin-bottom:24px}#revoke-form{margin-bottom:24px}#revoke-form input{margin-top:8px}.small{margin-top:18px;line-height:1.6}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:700px){.topbar{height:100px}main{padding-top:8px}}
@media(max-width:360px){.topbar,main{padding-left:18px;padding-right:18px}}
@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#141414;--surface:#1b1b1b;--text:#ededed;--muted:#a0a0a0;--line:#333;--soft:#262626;--action:#ededed;--on-action:#171717}.danger{color:#ffafa6}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}