:root{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#202923;background:#f5f4ef;font-synthesis:none;--green:#286745;--muted:#72796e;--line:#dedfd6;--paper:#fffefa}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,label{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}[hidden]{display:none!important}.site-header{max-width:1280px;margin:auto;height:100px;display:flex;justify-content:space-between;align-items:center;padding:0 48px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:3px;font-size:28px;font-weight:800;letter-spacing:-1.4px}.brand-mark{display:grid;place-items:center;width:33px;height:33px;border-radius:9px;background:var(--green);color:white;margin-right:8px;font-size:26px}.brand-number{color:var(--green)}nav{display:flex;gap:32px;font-size:14px}nav a:hover,.text-link:hover{color:var(--green)}main{max-width:1184px;margin:0 auto;padding:56px 0 80px;min-height:calc(100vh - 204px)}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--green);display:flex;align-items:center;gap:9px}.dot{width:7px;height:7px;background:var(--green);border-radius:50%}.intro{position:relative;margin-bottom:40px}.intro h1{font-size:70px;line-height:1.13;letter-spacing:-4px;margin:22px 0 0;font-weight:650}.intro>p{position:absolute;left:52%;bottom:0;font-size:17px;line-height:1.9;color:#71786b;margin:0 0 9px}.green{color:var(--green)}.upload-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px}.upload-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px}.card-top{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#5e665c;gap:10px}.pill{background:#edf2e9;color:var(--green);padding:7px 10px;border-radius:20px;font-size:11px}.dropzone{margin:23px 0 0;min-height:262px;border:1.5px dashed #bac8b8;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-direction:column;cursor:pointer;background:#f5f8f1;transition:background .2s,border-color .2s}.dropzone:hover,.dropzone.dragover{background:#e9f0e3;border-color:var(--green)}.upload-icon{width:56px;height:56px;display:grid;place-items:center;border:1px solid #c6d6be;border-radius:50%;font-size:35px;color:var(--green);background:#fafff5;margin-bottom:19px}.dropzone strong{font-size:20px;margin-bottom:7px}.dropzone>span:not(.upload-icon){font-size:14px;color:#76836e}.dropzone small{font-size:11px;color:#87917f;margin-top:23px}.card-foot{font-size:12px;color:var(--muted);margin:20px 0 0;display:flex;align-items:center;gap:8px}.notes{display:grid;gap:23px;padding:6px 0}.note{padding-bottom:21px;border-bottom:1px solid var(--line)}.note-number{font-size:42px;font-weight:500;letter-spacing:-2px}.note-number>span{font-size:17px;letter-spacing:0}.note h3{font-size:13px;margin:9px 0}.note p,.small-note{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.small-note{max-width:265px}.recent{margin-top:53px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.section-heading h2{font-size:21px;font-weight:600;margin:8px 0 0}.section-heading>.muted{font-size:12px}.muted{color:var(--muted)}.file-list{display:grid;gap:12px}.empty{border:1px solid var(--line);border-radius:12px;text-align:center;padding:30px;color:var(--muted);font-size:13px}.file-row{border:1px solid var(--line);border-radius:12px;padding:20px;background:var(--paper);display:flex;gap:17px;align-items:flex-start}.file-icon{background:#eef1e9;border-radius:10px;color:var(--green);font-size:22px;display:grid;place-items:center;min-width:43px;height:48px}.file-info{flex:1;min-width:0}.file-info h3{font-size:15px;overflow-wrap:anywhere;margin:2px 0 7px}.file-info p{font-size:12px;color:var(--muted);margin:5px 0;line-height:1.6}.file-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.primary,.secondary,.danger{border-radius:7px;padding:11px 17px;font-size:13px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:10px}.primary{background:var(--green);color:#fff}.primary:hover{background:#1e5236}.secondary{background:transparent;border-color:#d5dccf;color:#40523c}.secondary:hover{background:#f0f4eb}.danger{background:#a73f35;color:white}.text-button{border:0;background:none;color:#8e5145;font-size:12px;padding:4px}.text-link{color:var(--green);font-size:14px}.credential{margin-top:13px;font-size:12px;color:var(--muted)}.credential summary{cursor:pointer}.credential code{display:block;overflow-wrap:anywhere;margin-top:9px;padding:10px;background:#f5f4ef;border-radius:5px;color:#384e32;font-size:11px}.credential p{font-size:11px}.progress-heading{display:flex;justify-content:space-between;gap:16px;font-size:12px}.progress-heading strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#upload-progress{padding:65px 12px 60px;min-height:285px}progress{width:100%;height:8px;accent-color:var(--green);margin:22px 0 15px;border:0;border-radius:10px}progress::-webkit-progress-bar{background:#e3e8dd;border-radius:10px}progress::-webkit-progress-value{background:var(--green);border-radius:10px}.center-view{max-width:650px;margin:15px auto;text-align:center}.center-view .eyebrow{justify-content:center}.center-view h1{font-size:55px;letter-spacing:-2px;line-height:1.2;font-weight:600;margin:25px 0 35px}.center-view>.muted{font-size:12px;margin:23px 0}.panel{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:32px}.share-name{font-size:22px;overflow-wrap:anywhere;margin:18px 0 12px}.share-icon{width:65px;height:73px;font-size:35px;margin:0 auto}.share-detail{font-size:13px;color:var(--muted);line-height:1.9}.download-button{display:flex;margin-top:26px;padding:15px;width:100%;font-size:15px}.countdown{color:var(--green);background:#eef3e9;border-radius:6px;padding:10px;font-size:13px;margin:19px 0 0}.admin-intro h1{font-size:50px}.admin-intro>p{position:static;margin-top:15px;font-size:15px}.login-panel label{font-size:14px;font-weight:600}.input-row{display:flex;gap:12px;margin:15px 0}.input-row input{flex:1;min-width:0;background:white;border:1px solid var(--line);border-radius:7px;padding:13px;font-size:14px}.login-panel small{color:var(--muted);font-size:12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:25px}.stat{border:1px solid var(--line);background:var(--paper);border-radius:12px;padding:24px}.stat span{font-size:12px;color:var(--muted)}.stat strong{display:block;margin-top:14px;font-size:24px}footer{max-width:1280px;margin:0 auto;padding:28px 48px;border-top:1px solid var(--line);display:flex;gap:25px;align-items:center;color:var(--muted);font-size:12px}footer>span:last-child{margin-left:auto;letter-spacing:1px;font-size:10px}.footer-brand{font-size:20px;letter-spacing:-1px;color:#54634d}#notice{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#263e2c;color:white;border-radius:9px;padding:14px 22px;box-shadow:0 6px 30px #14211324;max-width:90vw;font-size:13px;z-index:10}dialog{max-width:440px;border:1px solid var(--line);padding:28px;border-radius:14px;background:var(--paper);color:inherit}dialog::backdrop{background:#17211b77}dialog h2{font-size:21px}dialog p{color:var(--muted);font-size:14px;line-height:1.8}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:25px}:focus-visible{outline:3px solid #82a474;outline-offset:4px}
@media(min-width:1500px){main{padding-top:70px}}@media(max-width:1280px){main{margin:0 48px}}@media(max-width:800px){.site-header{padding:0 24px;height:80px}main{margin:0 24px;padding-top:38px}.intro h1{font-size:58px}.intro>p{position:static;margin-top:20px;font-size:15px}.upload-layout{grid-template-columns:1fr;gap:26px}.notes{grid-template-columns:1fr 1fr;gap:24px}.small-note{grid-column:1/-1;max-width:none}.note-number{font-size:35px}.recent{margin-top:30px}footer{padding:24px;flex-wrap:wrap}footer>span:last-child{display:none}}@media(max-width:480px){main{margin:0 18px}.site-header{padding:0 18px}nav{gap:18px;font-size:12px}.brand{font-size:24px}.intro h1{font-size:51px}.upload-card{padding:17px}.card-top{font-size:11px}.pill{font-size:10px}.dropzone{min-height:250px}.section-heading>.muted{font-size:10px}.file-row{padding:15px;gap:10px}.file-actions{gap:7px}.file-actions button,.file-actions a{padding:9px 10px;font-size:12px}.center-view h1{font-size:43px}.panel{padding:22px}.input-row{flex-direction:column}.stats{grid-template-columns:1fr;gap:10px}.stat{padding:17px}.stat strong{font-size:21px;margin-top:8px}.admin-intro h1{font-size:37px}.section-heading h2{font-size:19px}.note p{font-size:11px}}
/* Administrator authentication and security settings */
.auth-panel{max-width:520px;margin:0 auto}.auth-panel h2{margin-top:0}.auth-panel input,.security-section input{display:block;width:100%;border:1px solid var(--line);border-radius:7px;padding:12px;background:#fff;font:inherit;margin:9px 0 18px}.auth-panel label,.security-section label{font-size:13px;font-weight:600;display:block}.auth-panel>.primary{width:100%;margin-top:8px}.auth-panel summary{cursor:pointer;font-size:13px;color:var(--muted);margin:18px 0}.auth-panel .input-row{align-items:flex-start}.auth-panel .input-row input{margin:0}.auth-panel p{line-height:1.7;font-size:13px}.security-section{margin-top:44px}.security-section>.panel>p{font-size:13px;line-height:1.8}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.security-card{padding:22px;border:1px solid var(--line);border-radius:12px;min-width:0}.security-card h3{margin-top:0}.security-card .muted,#security-proof .muted{font-size:12px;line-height:1.8}.security-card button{margin:0 0 10px}.security-card code{display:block;overflow-wrap:anywhere;font-size:12px;padding:12px;background:#eef3e9;border-radius:8px;margin:12px 0}.security-card form+form{margin-top:14px}#totp-qr{max-width:100%;height:auto;display:block;margin:12px 0}#security-proof{border-top:1px solid var(--line);margin-top:28px;padding-top:16px}#security-proof>.secondary{margin-bottom:18px}.recovery-result{margin-top:26px;background:#eef3e9;border:1px solid #b8c9af;border-radius:12px;padding:24px}.recovery-result p{font-size:13px;line-height:1.8}.recovery-result pre{font-size:14px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}@media(max-width:700px){.security-grid{grid-template-columns:1fr;gap:16px}.security-card{padding:18px}.recovery-result{padding:18px}}
.admin-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--line)}.admin-tabs{display:flex;gap:6px;padding:4px;border-radius:10px;background:#eaece4}.admin-tabs button{border:0;background:transparent;border-radius:7px;padding:11px 20px;font-size:14px;color:var(--muted)}.admin-tabs button[aria-pressed="true"]{background:var(--paper);color:var(--green);font-weight:600;box-shadow:0 1px 4px #21301a12}#admin-settings-panel{margin-top:0}#admin-settings-panel>.section-heading p{font-size:13px;margin:10px 0 0}@media(max-width:480px){.admin-tabs button{padding:10px 12px;font-size:13px}.admin-toolbar{gap:10px}.admin-toolbar>.secondary{padding:10px 12px}}
/* Refined wordmark: open transfer symbol, compact typography, subtle 24-hour badge. */
.site-header .brand{gap:0;font-family:"Segoe UI",Arial,sans-serif;letter-spacing:-1.1px;font-weight:650;font-size:29px;line-height:1}.brand-symbol{width:29px;height:29px;margin-right:13px;stroke:#357454;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;flex:none}.brand-word{color:#25342d}.site-header .brand-number{font-size:12px;letter-spacing:.1px;font-weight:650;line-height:1;margin:0 0 2px 9px;padding:6px 5px;border:1px solid #bbcfbf;border-radius:5px;color:#41684c;background:transparent}@media(max-width:480px){.site-header .brand{font-size:26px}.brand-symbol{width:26px;height:26px;margin-right:10px}.site-header .brand-number{font-size:11px;padding:5px 4px;margin-left:7px}}

/* Keep desktop upload and recent transfers together within the viewport. */
@media (min-width: 901px) and (min-height: 680px) {
  body:has(#upload-view:not([hidden])) .site-header { height: 64px; }
  body:has(#upload-view:not([hidden])) main { height: calc(100dvh - 112px); min-height: 0; padding: 20px 0; }
  body:has(#upload-view:not([hidden])) footer { height: 48px; padding-top: 10px; padding-bottom: 10px; }
  #upload-view { height: 100%; display: grid; grid-template-rows: auto auto minmax(0, 1fr); gap: 20px; }
  #upload-view .intro { margin: 0; }
  #upload-view .intro h1 { font-size: 42px; letter-spacing: -2px; margin-top: 10px; }
  #upload-view .intro h1 br { display: none; }
  #upload-view .intro > p { font-size: 14px; line-height: 1.6; margin: 0; }
  #upload-view .upload-layout { gap: 28px; }
  #upload-view .upload-card { padding: 18px 22px; }
  #upload-view .dropzone { min-height: 166px; margin-top: 14px; }
  #upload-view .upload-icon { width: 38px; height: 38px; font-size: 26px; margin-bottom: 8px; }
  #upload-view .dropzone strong { font-size: 18px; margin-bottom: 4px; }
  #upload-view .dropzone small { margin-top: 12px; }
  #upload-view .card-foot { margin-top: 12px; line-height: 1.5; }
  #upload-view .notes { gap: 10px; padding: 0; }
  #upload-view .note { padding-bottom: 10px; }
  #upload-view .note-number { font-size: 30px; }
  #upload-view .note h3 { margin: 4px 0; }
  #upload-view .note p, #upload-view .small-note { line-height: 1.6; }
  #upload-view #upload-progress { min-height: 166px; margin-top: 14px; padding: 38px 12px; }
  #upload-view .recent { margin: 0; min-height: 0; display: flex; flex-direction: column; }
  #upload-view .section-heading { margin-bottom: 10px; flex: none; }
  #upload-view .section-heading h2 { font-size: 19px; margin-top: 4px; }
  #upload-view #uploads-list { min-height: 0; overflow-y: auto; overscroll-behavior-y: contain; scrollbar-gutter: stable; align-content: start; }
  #upload-view .file-row { padding: 12px 16px; }
  #upload-view .file-actions { margin-top: 8px; }
  #upload-view .file-actions > * { padding: 8px 13px; }
  #upload-view .credential { margin-top: 8px; }
}
@media (max-width: 900px), (max-height: 679px) {
  body:has(#upload-view:not([hidden])) main { padding-top: 24px; padding-bottom: 28px; }
  #upload-view .intro { margin-bottom: 24px; }
  #upload-view .intro h1 { font-size: 42px; }
  #upload-view .intro > p { font-size: 14px; }
  #upload-view .dropzone { min-height: 190px; }
  #upload-view .recent { margin-top: 24px; }
}

#admin-stats { grid-template-columns: repeat(4,minmax(0,1fr)); }
.storage-settings { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px 20px; padding:18px 22px; border:1px solid var(--line); border-radius:12px; background:var(--paper); margin-bottom:22px; }
.storage-settings label { font-size:14px; font-weight:600; }
.storage-settings p { font-size:12px; line-height:1.7; margin:6px 0 0; }
.storage-controls { display:flex; gap:10px; }
.storage-controls input { min-width:0; width:130px; border:1px solid var(--line); border-radius:7px; padding:10px 12px; background:white; }
.storage-help { flex-basis:100%; }
@media(max-width:900px){#admin-stats{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:480px){#admin-stats{grid-template-columns:1fr;} .storage-controls{width:100%;}.storage-controls input{flex:1;}.storage-settings{padding:16px;}}

/* Storage controls match the overview cards, with an explicit unit suffix. */
.storage-settings { padding:22px 24px; gap:16px 24px; }
.storage-settings label { display:block; font-size:16px; color:#263b2d; }
.storage-settings #storage-remaining { margin-top:8px; }
.storage-controls { align-items:center; gap:12px; }
.storage-input { display:flex; align-items:center; width:176px; height:44px; border:1px solid #cbd5c8; border-radius:9px; background:#fff; overflow:hidden; }
.storage-input:focus-within { border-color:var(--green); box-shadow:0 0 0 3px #28674514; }
.storage-input #storage-limit { width:100%; min-width:0; padding:10px 14px; height:100%; border:0; border-radius:0; outline:none; font-size:16px; font-weight:600; }
.storage-input span { padding-right:14px; color:var(--muted); font-size:13px; }
.storage-controls button { height:44px; padding:0 20px; border-radius:9px; white-space:nowrap; }
.storage-settings .storage-help { margin:0; padding-top:14px; border-top:1px solid var(--line); }
#admin-stats .stat { padding:20px; }
#admin-stats .stat strong { font-size:clamp(18px,1.65vw,24px); letter-spacing:-.5px; }
@media(max-width:600px){.storage-controls{width:100%;}.storage-input{flex:1;}.storage-settings{padding:18px;}#admin-stats .stat strong{font-size:22px;}}