:root{--canvas:#f3f1eb;--paper:#fffefa;--paper-2:#f8f6f0;--ink:#172333;--ink-2:#4d5a68;--ink-3:#78828d;--line:#dedbd2;--line-strong:#c7c3b8;--blue:#185ca8;--blue-soft:#eaf1f8;--amber:#ad791d;--danger:#a23d35;--danger-soft:#f9ece9;--shadow:0 16px 48px #18223012;--serif:"Iowan Old Style","Source Han Serif SC","Songti SC",serif;--sans:"Avenir Next","IBM Plex Sans","PingFang SC","Hiragino Sans GB",sans-serif}
@media(prefers-color-scheme:dark){:root{--canvas:#111820;--paper:#18212b;--paper-2:#1c2732;--ink:#f0eee8;--ink-2:#c6c9ca;--ink-3:#929aa2;--line:#303b46;--line-strong:#475460;--blue:#78b2f4;--blue-soft:#203750;--amber:#dab060;--danger:#ef9188;--danger-soft:#3c2625;--shadow:0 16px 48px #0004}}
*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:var(--canvas);color:var(--ink);font:14px/1.55 var(--sans);letter-spacing:.01em}button,input,select{font:inherit}button,a{transition:color .16s ease,background .16s ease,border-color .16s ease,transform .16s ease}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}[hidden]{display:none!important}
.auth-loading{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:var(--canvas);color:var(--ink-3)}
.topbar{height:58px;display:flex;align-items:center;padding:0 max(24px,calc((100vw - 1240px)/2));border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.brand img{border-radius:8px}.brand span{display:grid}.brand b{font:700 14px/1.2 var(--sans)}.brand small{margin-top:3px;color:var(--ink-3);font:700 7px/1 var(--sans);letter-spacing:.15em}.topbar nav{display:flex;align-items:center;gap:7px;margin-left:auto}.topbar nav a,.topbar nav button,.topbar nav>span{padding:7px 10px;border:0;border-radius:7px;background:transparent;color:var(--ink-2);text-decoration:none;font-size:12px}.topbar nav a:hover,.topbar nav button:hover{background:var(--blue-soft);color:var(--blue)}.topbar nav a[aria-current=page]{color:var(--blue);font-weight:700}.topbar nav>span{padding-left:14px;border-left:1px solid var(--line);border-radius:0;color:var(--ink-3)}
main{width:min(1240px,calc(100% - 48px));margin:0 auto;padding:52px 0 34px;animation:enter .38s ease-out both}.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}.eyebrow{margin:0 0 8px;color:var(--blue);font:800 9px/1.2 var(--sans);letter-spacing:.18em}.hero h1,.login-card h1{margin:0;font:600 clamp(32px,4vw,48px)/1.05 var(--serif);letter-spacing:-.04em}.hero>div>p:last-child{margin:13px 0 0;color:var(--ink-2)}.upload-button{display:flex;align-items:center;gap:9px;min-height:42px;padding:0 17px;border:1px solid #124b8a;border-radius:8px;background:var(--blue);color:white;font-weight:700;box-shadow:0 6px 18px color-mix(in srgb,var(--blue) 22%,transparent)}.upload-button:hover{transform:translateY(-1px)}.upload-button span{font-size:18px;font-weight:400}
.summary{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:11px;background:var(--paper);box-shadow:var(--shadow);overflow:hidden}.summary article{min-height:100px;padding:19px 22px;border-right:1px solid var(--line);display:grid;grid-template-columns:1fr auto;align-content:center}.summary article:last-child{border:0}.summary span{color:var(--ink-2);font-size:12px}.summary b{grid-row:1/3;grid-column:2;font:600 30px/1 var(--serif);font-variant-numeric:tabular-nums}.summary small{margin-top:7px;color:var(--ink-3);font-size:10px}
.workspace-card{margin-top:22px;border:1px solid var(--line);border-radius:11px;background:var(--paper);box-shadow:var(--shadow);overflow:hidden}.toolbar{min-height:66px;display:flex;align-items:center;gap:12px;padding:12px 15px;border-bottom:1px solid var(--line)}.scope-tabs{display:flex;align-self:stretch;gap:4px}.scope-tabs button{position:relative;padding:0 11px;border:0;background:transparent;color:var(--ink-2);font-size:12px}.scope-tabs button span{margin-left:3px;color:var(--ink-3);font-size:10px}.scope-tabs button[aria-selected=true]{color:var(--ink);font-weight:700}.scope-tabs button[aria-selected=true]::after{content:"";position:absolute;left:10px;right:10px;bottom:-13px;height:2px;background:var(--blue)}.search{margin-left:auto;width:min(250px,25vw);height:36px;display:flex;align-items:center;gap:6px;padding:0 10px;border:1px solid var(--line);border-radius:7px;background:var(--paper-2);color:var(--ink-3)}.search:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 10%,transparent)}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink)}.sort{height:36px;display:flex;align-items:center;gap:7px;padding:0 9px;border:1px solid var(--line);border-radius:7px;color:var(--ink-3);font-size:11px}.sort select{max-width:150px;border:0;outline:0;background:var(--paper);color:var(--ink-2);font-size:11px}
.list-head,.space-row{display:grid;grid-template-columns:minmax(300px,1.8fr) 90px 100px 115px 105px minmax(205px,auto);align-items:center;column-gap:12px}.list-head{min-height:37px;padding:0 17px 0 62px;border-bottom:1px solid var(--line);background:var(--paper-2);color:var(--ink-3);font:700 9px/1 var(--sans);letter-spacing:.08em}.space-row{position:relative;min-height:64px;padding:7px 17px;border-bottom:1px solid var(--line)}.space-row:last-child{border:0}.space-row:hover{background:color-mix(in srgb,var(--blue-soft) 35%,var(--paper))}.star-button{position:absolute;left:18px;top:20px;width:26px;height:26px;border:0;background:transparent;color:var(--ink-3);font-size:20px;line-height:1}.star-button:hover{color:var(--amber);transform:scale(1.08)}.star-button[data-space-action=unstar]{color:var(--amber)}.space-main{min-width:0;display:flex;align-items:center;gap:11px;padding-left:35px;color:var(--ink);text-decoration:none}.document-mark{flex:none;width:28px;height:34px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:3px;background:var(--paper);box-shadow:inset -7px 7px 0 var(--blue-soft);color:var(--blue);font:700 10px var(--serif)}.space-title{min-width:0;display:grid}.space-title b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.space-title small{margin-top:3px;color:var(--ink-3);font:9px/1.3 ui-monospace,monospace;letter-spacing:.07em}.purge-error{display:block;margin-top:3px;color:var(--danger);font:10px var(--sans);letter-spacing:0}.space-metric,.space-date{display:grid}.space-metric b,.space-date b{font-size:12px;font-variant-numeric:tabular-nums}.space-metric span,.space-date span{margin-top:2px;color:var(--ink-3);font-size:9px}.space-actions{display:flex;align-items:center;justify-content:flex-end;gap:4px}.space-actions a,.space-actions button{padding:6px 8px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--ink-2);text-decoration:none;font-size:10.5px;white-space:nowrap}.space-actions a{border-color:var(--line)}.space-actions a:hover,.space-actions button:hover{border-color:var(--line);background:var(--paper);color:var(--blue)}.space-actions .delete-space{color:var(--danger)}
.space-empty{min-height:300px;display:grid;place-items:center;align-content:center;text-align:center}.space-empty>span{font:48px/1 var(--serif);color:var(--line-strong)}.space-empty h2{margin:15px 0 4px;font:600 20px var(--serif)}.space-empty p{margin:0;color:var(--ink-3);font-size:12px}.retention-note{margin:12px 4px;color:var(--ink-3);font-size:10px}
#notice{position:fixed;right:22px;bottom:22px;z-index:80;max-width:min(420px,calc(100vw - 44px));padding:11px 14px;border:1px solid var(--line);border-radius:8px;background:var(--ink);color:var(--paper);box-shadow:var(--shadow);font-size:12px}
dialog{width:min(420px,calc(100% - 32px));padding:0;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);box-shadow:0 28px 80px #0004}dialog::backdrop{background:#111b2780;backdrop-filter:blur(2px)}dialog form{padding:26px}.danger-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--danger-soft);color:var(--danger);font-weight:800}dialog h2{margin:14px 0 7px;font:600 22px var(--serif)}dialog p{color:var(--ink-2);font-size:12px;line-height:1.75}dialog label{display:grid;gap:6px;color:var(--ink-2);font-size:11px}dialog input{height:40px;padding:0 11px;border:1px solid var(--line-strong);border-radius:7px;background:var(--paper);color:var(--ink);outline:0}dialog input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:23px}.dialog-actions button,.login-card button{min-height:36px;padding:0 14px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--ink-2)}.dialog-actions .danger{border-color:var(--danger);background:var(--danger);color:white}.primary{border-color:var(--blue)!important;background:var(--blue)!important;color:white!important}
.login-view{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(390px,100%);padding:34px;border:1px solid var(--line);border-radius:14px;background:var(--paper);box-shadow:var(--shadow)}.login-card img{margin-bottom:22px;border-radius:9px}.login-card>p:not(.eyebrow){color:var(--ink-3)}.login-card label{display:grid;gap:6px;margin-top:15px;color:var(--ink-2);font-size:11px}.login-card input{height:42px;padding:0 11px;border:1px solid var(--line-strong);border-radius:7px;background:var(--paper);color:var(--ink)}.login-card button{width:100%;margin-top:16px}.login-card [role=alert]{min-height:18px;margin:8px 0 0;color:var(--danger);font-size:11px}
@keyframes enter{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
@media(max-width:900px){main{width:min(100% - 28px,720px);padding-top:32px}.summary{grid-template-columns:repeat(2,1fr)}.summary article:nth-child(2){border-right:0}.summary article:nth-child(-n+2){border-bottom:1px solid var(--line)}.toolbar{flex-wrap:wrap}.scope-tabs{height:40px;flex:1 0 100%}.scope-tabs button[aria-selected=true]::after{bottom:-13px}.search{margin-left:0;flex:1;width:auto}.list-head{display:none}.space-row{grid-template-columns:1fr auto auto;gap:8px;padding:13px 14px 13px 48px}.star-button{left:12px;top:20px}.space-main{grid-column:1/4;padding-left:0}.space-metric,.space-date{display:flex;gap:4px;align-items:baseline}.space-metric span,.space-date span{margin:0}.space-date:nth-of-type(2){display:none}.space-actions{grid-column:1/4;justify-content:flex-start;padding-top:5px}}
@media(max-width:560px){.topbar{height:52px;padding:0 14px}.brand small,.topbar nav>a:not([aria-current]),.topbar nav>span{display:none}.topbar nav a,.topbar nav button{padding:6px 7px}.hero{align-items:flex-start;flex-direction:column}.hero h1{font-size:36px}.upload-button{width:100%;justify-content:center}.summary article{min-height:82px;padding:14px}.summary b{font-size:25px}.toolbar{padding:9px}.scope-tabs{overflow-x:auto}.scope-tabs button{flex:none}.search{flex-basis:100%;width:100%}.sort{width:100%;justify-content:space-between}.sort select{flex:1}.space-row{grid-template-columns:1fr 1fr}.space-main{grid-column:1/3}.space-actions{grid-column:1/3;flex-wrap:wrap}.space-date{display:none!important}.retention-note{line-height:1.6}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}