:root{color-scheme:light;--pink:#e979aa;--pink-dark:#b94178;--blue:#32689d;--ink:#26242d;--muted:#6d7180;--line:#e8dde7;--surface:rgba(255,255,255,.94);--soft:#fff6fa;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(135deg,#fff0f7 0%,#f8f7fc 48%,#e8f5ff 100%);color:var(--ink)}button,input{font:inherit}.hidden{display:none!important}.cloud-page{width:min(1060px,calc(100% - 32px));margin:0 auto;padding:34px 0 64px}.auth-wrap{min-height:calc(100vh - 98px);display:grid;place-items:center}.auth-card,.storage-overview,.cloud-workspace{background:var(--surface);border:1px solid rgba(255,255,255,.86);box-shadow:0 20px 55px rgba(64,49,68,.12);border-radius:22px}.auth-card{width:min(440px,100%);padding:30px}.auth-logo{width:62px;height:62px;object-fit:contain;border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(233,121,170,.16)}h1,h2,p{margin-top:0}h1{font-size:26px;margin:18px 0 8px}h2{font-size:20px;margin:0}.hint,.status,.storage-overview p,.empty{color:var(--muted);line-height:1.65}label{display:grid;gap:7px;margin-top:16px;font-size:14px;font-weight:680}input[type="text"],input[type="password"],input:not([type]){width:100%;padding:12px 14px;border:1px solid #ddcfda;border-radius:12px;background:#fff;color:var(--ink);outline:none}input:focus{border-color:var(--pink);box-shadow:0 0 0 3px rgba(233,121,170,.14)}.button{border:1px solid transparent;border-radius:12px;padding:11px 16px;font-weight:720;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 7px 17px rgba(81,55,72,.12)}.button:disabled{opacity:.52;cursor:not-allowed}.primary{background:linear-gradient(135deg,var(--pink),#ef90bc);color:#fff}.secondary{background:#fff;border-color:#dfd5df;color:var(--ink)}.wide{width:100%;margin-top:20px}.text-link{display:block;text-align:center;margin-top:15px;color:var(--pink-dark);text-decoration:none}.button-link{border:0;background:transparent;cursor:pointer;padding:0}.error{min-height:20px;color:#b42346;font-size:14px;margin:12px 0 0}.page-header{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:8px 4px 20px}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:21px;font-weight:800;text-decoration:none}.brand img{width:48px;height:48px;object-fit:contain;border-radius:14px;background:#fff}.header-actions{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.storage-overview{padding:27px;display:grid;grid-template-columns:minmax(0,1fr) minmax(170px,.72fr);gap:16px 30px;align-items:center}.storage-overview h1{margin:0 0 7px}.storage-overview p{margin-bottom:0}.storage-meter{height:14px;border-radius:999px;background:#ecedf5;overflow:hidden;box-shadow:inset 0 1px 2px rgba(41,35,44,.08)}.storage-meter span{display:block;height:100%;width:100%;background:linear-gradient(90deg,#e979aa,#8abfe7);border-radius:inherit;transform:scaleX(0);transform-origin:left;transition:transform .36s cubic-bezier(.2,.8,.2,1)}.storage-note{grid-column:1/-1;font-size:13px;padding-top:13px;border-top:1px solid var(--line)}.cloud-workspace{padding:24px;margin-top:18px}.upload-zone{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}.upload-zone input{max-width:360px;color:var(--muted)}.upload-zone .hint{margin:0;flex:1 1 250px;font-size:13px}.file-list{display:grid;gap:10px;margin-top:18px}.file-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:15px;align-items:center;padding:16px;border-radius:15px;background:#fff;border:1px solid var(--line)}.file-name{display:flex;align-items:center;gap:9px;font-weight:740;min-width:0}.file-name span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-badge{flex:0 0 auto;padding:4px 7px;border-radius:999px;background:#fbe9f1;color:var(--pink-dark);font-size:11px;font-weight:800}.file-meta{margin:5px 0 0;color:var(--muted);font-size:13px}.file-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.file-actions .button{padding:8px 11px;font-size:13px}.danger{border-color:#f0b8cb;color:#ad315e}.reader-dialog{width:min(920px,calc(100% - 24px));height:min(88vh,900px);border:0;border-radius:20px;padding:0;box-shadow:0 28px 80px rgba(35,33,44,.3);color:var(--ink)}.reader-dialog::backdrop{background:rgba(29,30,42,.36);backdrop-filter:blur(3px)}.reader-dialog header{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:18px 20px;border-bottom:1px solid var(--line);background:#fff}.reader-dialog header span{color:var(--pink-dark);font-size:12px;font-weight:760}.reader-status{margin:4px 0 0;color:var(--muted);font-size:12px;line-height:1.4}.reader-controls{display:flex;gap:9px;align-items:center;flex-wrap:wrap;padding:10px 20px;border-bottom:1px solid var(--line);background:linear-gradient(100deg,#fff8fb,#f8fbff)}.reader-controls label{display:flex;align-items:center;gap:7px;margin:0;font-size:12px;color:var(--muted);font-weight:720}.reader-controls select,.reader-controls input{height:34px;border:1px solid #ddcfda;border-radius:9px;background:#fff;color:var(--ink);padding:0 9px;outline:none}.reader-controls input{width:min(240px,48vw)}.reader-controls select:focus,.reader-controls input:focus{border-color:var(--pink);box-shadow:0 0 0 3px rgba(233,121,170,.14)}.reader-controls .button{padding:7px 10px;font-size:12px}.reader-nav{display:flex;gap:7px;overflow:auto;padding:11px 20px;border-bottom:1px solid var(--line);background:var(--soft)}.reader-nav:empty{display:none}.reader-nav button{border:1px solid #e5d6df;background:#fff;color:var(--pink-dark);border-radius:999px;padding:7px 10px;white-space:nowrap;cursor:pointer}.reader-nav button[aria-current="true"]{background:var(--pink);border-color:var(--pink);color:#fff}.reader-body{height:calc(88vh - 203px);overflow:auto;padding:25px 10%;white-space:pre-wrap;font-family:ui-serif,"Songti SC","STSong",serif;font-size:17px;line-height:1.9;background:#fffdfb}.reader-spreadsheet{padding:0;white-space:normal;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;font-size:14px;line-height:1.5;background:#fff}.sheet-scroll{max-width:100%;overflow:auto;padding:16px}.sheet-table{border-collapse:separate;border-spacing:0;min-width:100%;table-layout:auto}.sheet-table th,.sheet-table td{min-width:110px;max-width:360px;padding:10px 12px;border-right:1px solid #e7e3eb;border-bottom:1px solid #e7e3eb;text-align:left;vertical-align:top;word-break:break-word}.sheet-table thead th{position:sticky;top:0;z-index:1;background:#f9edf3;color:var(--pink-dark);font-size:12px}.sheet-table tbody th{position:sticky;left:0;background:#fafbff;color:var(--muted);font-size:12px;min-width:48px}.sheet-table tr:first-child th{border-top:1px solid #e7e3eb}.sheet-table th:first-child,.sheet-table td:first-child{border-left:1px solid #e7e3eb}.sheet-table tbody tr:nth-child(even) td{background:#fcfcfe}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.theme-switch-floating{position:fixed;right:18px;top:18px;z-index:4}@media(max-width:680px){.cloud-page{width:min(100% - 20px,1060px);padding-top:72px}.page-header{align-items:flex-start}.header-actions{justify-content:flex-end;flex-wrap:wrap}.storage-overview{grid-template-columns:1fr;padding:20px}.storage-note{grid-column:auto}.cloud-workspace{padding:17px}.file-row{grid-template-columns:1fr}.file-actions{justify-content:flex-start}.reader-dialog{height:min(92vh,900px)}.reader-dialog header{padding:15px}.reader-controls,.reader-nav{padding-left:14px;padding-right:14px}.reader-controls label{width:100%;justify-content:space-between}.reader-controls input{width:calc(100vw - 180px)}.reader-body{height:calc(92vh - 202px);padding:22px 18px;font-size:16px}.reader-spreadsheet{padding:0;font-size:13px}.sheet-scroll{padding:10px}.theme-switch-floating{top:12px;right:12px}}
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