:root{--bg:#f5f7fb;--card:#fff;--line:#e7ebf2;--text:#25314c;--muted:#748097;--accent:#315bec;--accent-hover:#2348ce;--danger:#c73f4f;--ok:#288366;--radius:12px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}button,input{font:inherit}button{cursor:pointer;border:1px solid transparent;border-radius:9px;padding:10px 16px;white-space:nowrap;transition:background .18s,box-shadow .18s}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #a7bbff;outline-offset:3px}.primary{background:var(--accent);color:white;box-shadow:0 5px 13px #315bec20}.primary:hover:not(:disabled){background:var(--accent-hover)}.ghost{background:white;border-color:var(--line);color:var(--text)}.ghost:hover{background:#f0f3fa}.muted{color:var(--muted)}.error{color:var(--danger);font-size:13px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:2px;color:#8491ae}.wordmark{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:700}.brand-icon{display:inline-grid;place-items:center;background:var(--accent);color:#fff;width:36px;height:36px;border-radius:11px;font-size:27px;flex-shrink:0}.login-wrap{display:grid;grid-template-columns:1.12fr 1fr;min-height:100vh;padding:18px;background:white}.login-story{background:#edf1fc;border-radius:22px;position:relative;overflow:hidden;padding:38px 46px;min-height:700px}.login-story .eyebrow{margin-left:12px}.story-copy{position:relative;z-index:2;margin-top:65px}.story-copy>.eyebrow{margin:0;color:#5f76b4}.story-copy h2{font-size:clamp(42px,5vw,72px);line-height:1.22;letter-spacing:-3px;font-weight:650;margin:22px 0}.story-copy p{color:#6e7e9c;line-height:1.9}.file-art{position:relative;width:340px;height:240px;margin:30px auto 55px}.art-folder{position:absolute;left:10px;top:15px;width:250px;height:185px;padding:25px;background:#315bec;color:white;border-radius:14px;transform:rotate(-9deg);box-shadow:12px 25px 40px #315bec2a}.art-folder:before{content:"";position:absolute;top:-15px;left:0;width:98px;height:25px;background:#315bec;border-radius:12px 20px 0 0}.art-folder>span{font-size:11px;color:#dbe4ff}.art-folder b{display:block;font-size:30px;line-height:1.15;margin-top:16px;font-weight:500}.art-folder i{position:absolute;right:25px;bottom:14px;font-size:34px;font-style:normal}.art-note{position:absolute;right:0;bottom:0;padding:24px;width:160px;height:125px;background:#fffaf0;border:1px solid #ede6d7;transform:rotate(8deg);border-radius:8px;box-shadow:0 8px 25px #42548113;font-size:12px;color:#8c8067}.art-note strong{display:block;font-size:16px;color:#5c543e}.art-note span{position:absolute;bottom:8px;right:18px;font-size:35px;color:#d8ad59}.story-footer{position:absolute;bottom:20px;left:46px;font-size:12px;color:#7e8ba6}.login-side{display:flex;align-items:center;justify-content:center;position:relative;padding:48px}.login-card{width:100%;max-width:350px}.login-kicker{color:var(--accent);letter-spacing:2px;font-size:11px;font-weight:700}.login-card h1{font-size:32px;letter-spacing:-1px;margin:12px 0}.login-card>.muted{margin:0 0 38px;font-size:13px}.login-card label{display:block;font-size:13px;font-weight:600;margin-bottom:10px}.login-card input{width:100%;background:#f8f9fc;border:1px solid #e1e6ef;border-radius:9px;padding:14px 16px;margin-bottom:18px;font-size:16px}.login-card button{width:100%;padding:14px}.login-note{border-top:1px solid var(--line);margin-top:30px;padding-top:22px;text-align:center;color:var(--muted);font-size:12px}.login-bottom{position:absolute;bottom:24px;color:#8d97aa;font-size:12px}#app-view{display:flex;min-height:100vh}.sidebar{width:232px;position:fixed;inset:0 auto 0 0;padding:32px 22px 24px;background:white;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:20}.sidebar .wordmark{font-size:17px;margin-bottom:48px}.sidebar-label{font-size:11px;color:#909bad;padding:0 12px;margin-bottom:12px}.nav-active{display:flex;align-items:center;gap:12px;color:var(--accent);background:#edf2ff;font-weight:600;text-align:left}.nav-active span:last-child{margin-left:auto}.sidebar-note{margin:42px 0 24px;padding:20px;background:#f7f9fd;border-radius:12px}.note-star{color:#8ea4e5;font-size:29px}.sidebar-note h3{font-size:13px;margin:8px 0}.sidebar-note p{color:#8290a7;font-size:12px;margin:0;line-height:1.8}.usage{margin-top:auto;padding:20px 3px}.storage-label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:12px}.bar{height:5px;border-radius:6px;background:#e9edf7;overflow:hidden;margin-bottom:9px}.bar-fill{height:100%;width:0;background:var(--accent);transition:width .3s}.bar-fill.warn{background:#c38b2f}.bar-fill.full{background:var(--danger)}#usage-text{font-size:11px}.workspace{margin-left:232px;width:calc(100% - 232px);min-width:0}.topbar{height:78px;border-bottom:1px solid var(--line);padding:0 42px;display:flex;align-items:center;justify-content:space-between;color:#8690a5;font-size:12px;background:#ffffff90}.topbar strong{color:#485774;font-weight:500}.topbar-sep{margin:0 15px;color:#c4ccda}.private-badge{border:1px solid #e0e6ef;border-radius:20px;padding:5px 12px;background:white;font-size:11px}.workspace-content{padding:38px 42px;max-width:1500px;margin:auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}.page-heading h1{font-size:30px;font-weight:650;letter-spacing:-1px;margin:6px 0}.page-heading p{font-size:13px;margin:0}.page-heading .primary{padding:12px 24px}.drop-banner{display:flex;align-items:center;gap:18px;border:1px dashed #cbd7f5;border-radius:12px;background:#eef3ff;padding:20px 24px;margin-bottom:30px}.drop-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:white;font-size:28px;color:#5577d1}.drop-banner strong{font-size:13px;font-weight:600;color:#4d6395}.drop-banner p{font-size:11px;color:#7c8eae;margin:3px 0 0}.banner-tag{margin-left:auto;color:#8496b9;font-size:11px}.file-panel{border:1px solid var(--line);border-radius:14px;background:white;overflow:hidden;box-shadow:0 5px 22px #26335403}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 22px;flex-wrap:wrap}.toolbar-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.toolbar .ghost{font-size:12px;padding:8px 11px}.search-wrap{display:flex;align-items:center;gap:7px;background:#f6f8fb;border:1px solid var(--line);border-radius:8px;padding:6px 10px}.search-wrap span{font-size:20px;color:#8e9cb2;line-height:1}.search-wrap input{width:138px;border:0;outline:none;background:transparent;font-size:12px;color:var(--text)}.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:4px;font-size:13px;min-width:0;overflow-wrap:anywhere}.crumbs a{color:var(--accent);cursor:pointer;text-decoration:none}.crumbs a:hover{text-decoration:underline}.crumbs .sep{color:#b6becc;padding:0 3px}.table-wrap{overflow-x:auto}table.files{border-collapse:collapse;width:100%;table-layout:fixed}table.files th,table.files td{padding:17px 22px;text-align:left;border-bottom:1px solid #eff2f7;font-size:12px}table.files th{font-size:11px;color:#8c97ab;font-weight:500;background:#fafbfd;padding-top:12px;padding-bottom:12px}.c-size{width:95px;color:var(--muted)}.c-time{width:164px;color:var(--muted)}.c-act{width:180px;white-space:nowrap}.files tbody tr:hover{background:#f9fbff}.fname{display:flex;align-items:center;gap:12px;min-width:0}.fname .ico{display:grid;place-items:center;flex-shrink:0;width:34px;height:38px;background:#f0f4fd;border-radius:8px;font-size:19px}.fname .txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.fname .link{cursor:pointer}.fname .link:hover{color:var(--accent)}.c-act button{padding:5px 7px;background:transparent;color:#7886a0;font-size:11px}.c-act button:hover{color:var(--accent);background:#edf2ff}.c-act button.del:hover{color:var(--danger);background:#fff0f2}.empty{text-align:center;padding:60px 20px 70px;color:var(--muted)}.empty>span{font-size:48px;color:#a5b6dd;display:block;line-height:1.2}.empty h3{font-size:15px;color:#5a6a88;font-weight:500;margin:15px 0 6px}.empty p{font-size:12px;margin:0}.list-footer{display:flex;justify-content:space-between;padding:14px 22px;color:#8d99ad;font-size:11px;border-top:1px solid var(--line)}.foot{text-align:center;padding:25px 10px;font-size:11px;color:#9aa5b7}.drop-hint{position:fixed;inset:0;background:#e9efffe8;border:3px dashed var(--accent);display:grid;place-items:center;z-index:50;pointer-events:none}.drop-hint div{background:#fff;padding:25px 35px;border-radius:16px;box-shadow:0 15px 60px #315bec20;color:var(--accent);font-size:20px}.uploads{position:fixed;right:24px;bottom:24px;width:min(370px,calc(100vw - 32px));max-height:45vh;overflow:auto;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:0 15px 45px #26335426;padding:20px;z-index:40}.up-item{font-size:12px;margin-bottom:15px}.up-item .row{display:flex;justify-content:space-between;gap:12px}.nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.st{color:var(--muted);white-space:nowrap}.pb{height:5px;background:#edf1f8;border-radius:8px;margin-top:8px;overflow:hidden}.pb>i{display:block;height:100%;background:var(--accent);width:0}.done .pb>i{background:var(--ok)}.fail .st{color:var(--danger)}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#25314c;color:white;padding:12px 22px;border-radius:12px;font-size:13px;z-index:60;max-width:calc(100vw - 32px);box-shadow:0 6px 25px #25314c25}.toast.bad{background:var(--danger)}
@media(min-width:1600px){.login-story{padding-left:70px}.story-copy{margin-top:100px}.file-art{margin-top:55px}}@media(max-width:1150px){.sidebar{width:205px;padding:28px 17px}.workspace{margin-left:205px;width:calc(100% - 205px)}.workspace-content{padding:28px 24px}.topbar{padding:0 24px}.banner-tag{display:none}.toolbar-actions{width:100%}.search-wrap{margin-right:auto}.login-story{padding:30px}.login-story .wordmark .eyebrow{display:none}.story-copy h2{font-size:54px}.file-art{transform:scale(.85);transform-origin:left center;width:290px}.c-time{width:145px}table.files th,table.files td{padding-left:14px;padding-right:14px}.c-act{width:155px}}
@media(max-width:760px){.login-wrap{display:block;padding:0}.login-story{min-height:auto;border-radius:0;padding:24px;background:#edf1fc}.story-copy{margin-top:26px}.story-copy h2{font-size:35px;line-height:1.3;letter-spacing:-1px}.story-copy h2 br{display:none}.story-copy p{font-size:12px;margin-bottom:0}.file-art,.story-footer,.story-copy>.eyebrow{display:none}.login-side{padding:36px 24px 72px}.login-card{max-width:420px}.login-card h1{font-size:27px}.login-card>.muted{margin-bottom:26px}.login-bottom{bottom:12px}.sidebar{position:static;width:100%;padding:16px 20px;flex-direction:row;align-items:center;gap:12px;border-right:0;border-bottom:1px solid var(--line);flex-wrap:wrap}.sidebar .wordmark{margin:0;font-size:15px}.sidebar-label,.sidebar-note,.nav-active{display:none}.sidebar #logout{margin-left:auto;font-size:11px;padding:7px 10px}.sidebar .usage{order:3;width:100%;padding:0;display:flex;align-items:center;gap:12px;margin:0}.storage-label{margin:0;font-size:10px}.storage-label span:last-child{display:none}.usage .bar{margin:0;flex:1;max-width:160px}.usage #usage-text{font-size:10px}#app-view{display:block}.workspace{width:100%;margin:0}.topbar{height:48px;padding:0 20px;font-size:10px}.private-badge{font-size:9px}.workspace-content{padding:24px 16px}.page-heading{margin-bottom:22px;gap:10px}.page-heading h1{font-size:24px}.page-heading p{font-size:11px}.page-heading .primary{padding:10px 14px;font-size:12px}.eyebrow{font-size:8px}.drop-banner{padding:15px;gap:12px;margin-bottom:22px}.drop-banner strong{font-size:12px}.drop-banner p{font-size:10px}.drop-icon{width:36px;height:38px;flex-shrink:0}.toolbar{padding:15px 12px;gap:12px}.toolbar-actions{gap:6px}.search-wrap{width:100%;margin-bottom:3px}.search-wrap input{width:100%;font-size:14px}.c-time{display:none}.c-size{width:65px}.c-act{width:116px}table.files th,table.files td{padding:13px 8px;font-size:10px}.fname{gap:7px}.fname .ico{width:25px;height:30px;font-size:16px}.fname .txt{font-size:12px}.c-act button{font-size:10px;padding:7px 3px}.list-footer{padding:12px;font-size:10px}.list-footer>span:last-child{display:none}.empty{padding:48px 12px}.drop-hint div{font-size:14px;padding:20px}.foot{font-size:10px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

#action-dialog{width:min(420px,calc(100vw - 32px));border:1px solid var(--line);border-radius:18px;padding:28px;color:var(--text);box-shadow:0 25px 100px #182c5330}#action-dialog::backdrop{background:#182c5355;backdrop-filter:blur(3px)}#dialog-title{font-size:20px;margin:0 0 12px}#dialog-message{font-size:13px;color:var(--muted);overflow-wrap:anywhere;margin:0 0 20px}#dialog-label{display:block;margin-bottom:8px;font-size:12px}#dialog-input{width:100%;border:1px solid var(--line);background:#f8faff;border-radius:8px;padding:12px;font-size:16px;color:var(--text)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}#dialog-submit.danger{background:var(--danger)}@media(max-width:760px){.c-act button{font-size:11px}.c-act{width:122px}.c-size{width:58px}}

/* Folder workspace */
.upload-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.upload-actions .ghost{padding:12px 20px;color:var(--accent);border-color:#d9e2fb}.page-heading .upload-actions{flex-shrink:0}.sidebar .wordmark{margin-bottom:32px}.tree-panel{margin:24px -9px 14px;min-height:0;flex:1;overflow:auto}.tree-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;padding:0 8px}.tree-heading button{padding:5px 4px;font-size:11px;background:transparent;color:var(--muted)}#tree-toggle-mobile{cursor:default}#tree-toggle-mobile span{display:none}#folder-tree,#folder-tree ul{list-style:none;padding:0;margin:0}#folder-tree ul{padding-left:12px;margin-left:9px;border-left:1px solid #e8edf6}.tree-row{display:flex;align-items:center;min-width:0;border-radius:7px;margin:2px 0}.tree-row:hover{background:#f7f9fd}.tree-row.selected{background:#edf2ff}.tree-toggle{padding:6px 3px;width:24px;flex-shrink:0;color:#94a1b7;background:transparent;border-radius:5px}.tree-link{min-width:0;text-overflow:ellipsis;overflow:hidden;padding:7px 3px;background:transparent;color:#677994;text-align:left;font-size:12px;flex:1}.tree-row.selected .tree-link{color:var(--accent);font-weight:600}.tree-empty{font-size:10px;color:#929db0;padding:6px 3px}.sidebar .usage{margin-top:0}.uploads{width:min(470px,calc(100vw - 32px));padding:20px;max-height:70vh;display:flex;flex-direction:column;overflow:hidden}.upload-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.upload-head strong{font-size:14px}.upload-head button{padding:0 9px;font-size:20px}.uploads>p{margin:6px 0;font-size:11px;color:var(--muted);overflow-wrap:anywhere}#upload-target{color:var(--text)}#upload-summary{font-size:12px;color:var(--accent);padding:10px 0;border-top:1px solid var(--line)}.transfer-actions{display:flex;gap:8px;margin:3px 0 14px}.transfer-actions button{font-size:12px;padding:8px 12px}#upload-rows{overflow:auto;min-height:0;padding-right:5px}.up-item{padding:10px 0;margin:0;border-top:1px solid var(--line)}.up-item .nm{font-size:12px}.upload-reason{font-size:11px;color:var(--muted);overflow-wrap:anywhere;margin-top:4px}.up-item.failed .st,.up-item.failed .upload-reason{color:var(--danger)}.up-item.skipped .st{color:#946c22}.up-item.done .st,.up-item.merged .st{color:var(--ok)}.up-item progress{display:block;width:100%;height:5px;margin-top:8px;border:0;border-radius:5px;accent-color:var(--accent)}.drop-banner #transfers-btn{margin-left:auto;flex-shrink:0;font-size:12px}.c-act{width:196px}
@media(max-width:1150px){.page-heading{align-items:flex-start}.page-heading .upload-actions{max-width:190px;justify-content:flex-end}.page-heading .upload-actions button{padding:9px 15px}.c-act{width:170px}}
@media(max-width:760px){.sidebar{position:relative}.tree-panel{order:4;flex:none;width:100%;margin:0;overflow:visible}.tree-heading{margin:0;padding:0}.tree-heading button{font-size:12px;padding:7px 0}#tree-toggle-mobile{cursor:pointer}#tree-toggle-mobile span{display:inline}#folder-tree{display:none;max-height:260px;overflow:auto;padding:8px 0;border-top:1px solid var(--line)}.mobile-open #folder-tree{display:block}.tree-heading #tree-refresh{padding:5px 10px}.page-heading{flex-wrap:wrap}.page-heading .upload-actions{max-width:none;width:100%;justify-content:flex-start;margin-top:6px}.upload-actions button{flex:1}.drop-banner{flex-wrap:wrap}.drop-banner #transfers-btn{margin-left:0;padding:6px 12px}.c-act{width:132px}.c-size{width:52px}.c-act button{font-size:11px;padding:7px 3px}.uploads{bottom:12px;right:12px;width:calc(100vw - 24px);padding:16px;max-height:65vh}.tree-link{font-size:13px;padding:8px 4px}.tree-toggle{padding:8px 3px}}

@media(max-width:760px){.sidebar .wordmark{margin-bottom:0}}