:root{
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.8,.2,1);
  --r-sm:9px;--r:13px;--r-lg:18px;
  --grad:linear-gradient(135deg,#8070ff 0%,#4f8cff 58%,#2fc4e0 100%);
  --accent:#7c6cff;--accent-soft:rgba(124,108,255,.14);
  --danger:#ff5d6c;--ok:#34d399;--warn:#f5b84b;
}
[data-theme=dark]{
  --bg:#09090b;--bg-elev:#101013;--surface:rgba(255,255,255,.028);--surface-2:rgba(255,255,255,.05);--surface-3:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.07);--line-2:rgba(255,255,255,.12);
  --text:#f2f2f5;--text-2:#a1a1ab;--text-3:#6c6c76;
  --glass:rgba(20,20,25,.72);--shadow:0 24px 70px -20px rgba(0,0,0,.75);--shadow-sm:0 6px 20px -8px rgba(0,0,0,.6);
  --thumb-bg:linear-gradient(160deg,#17171c,#0e0e11);
  color-scheme:dark;
}
[data-theme=light]{
  --bg:#f5f5f7;--bg-elev:#ffffff;--surface:rgba(255,255,255,.75);--surface-2:rgba(10,10,30,.04);--surface-3:rgba(10,10,30,.07);
  --line:rgba(10,10,30,.08);--line-2:rgba(10,10,30,.13);
  --text:#0d0d14;--text-2:#575765;--text-3:#8e8e9a;
  --glass:rgba(255,255,255,.8);--shadow:0 24px 70px -24px rgba(30,30,70,.28);--shadow-sm:0 6px 20px -10px rgba(30,30,70,.25);
  --thumb-bg:linear-gradient(160deg,#ececf2,#e2e2ea);
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{font-family:var(--font);font-size:14px;line-height:1.5;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden;transition:background .3s}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
[hidden]{display:none!important}
i[data-icon]{display:inline-flex;width:18px;height:18px;flex:none}
i[data-icon] svg{width:100%;height:100%}
::selection{background:rgba(124,108,255,.35)}
::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:10px;border:3px solid transparent;background-clip:padding-box}

.bgfx{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.bgfx:before,.bgfx:after{content:"";position:absolute;border-radius:50%;filter:blur(100px)}
.bgfx:before{width:60vmax;height:60vmax;top:-34vmax;left:-10vmax;background:radial-gradient(circle,rgba(109,92,255,.35),transparent 65%);animation:drift 20s ease-in-out infinite alternate}
.bgfx:after{width:50vmax;height:50vmax;bottom:-30vmax;right:-14vmax;background:radial-gradient(circle,rgba(31,182,217,.22),transparent 65%);animation:drift 26s ease-in-out infinite alternate-reverse}
[data-theme=light] .bgfx:before{opacity:.45}[data-theme=light] .bgfx:after{opacity:.5}
@keyframes drift{to{transform:translate(6vmax,5vmax) scale(1.08)}}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:scale(.96) translateY(6px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes shimmer{to{background-position:-200% 0}}
@keyframes spin{to{transform:rotate(360deg)}}

.glass{background:var(--glass);backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%);box-shadow:var(--shadow),inset 0 0 0 1px var(--line-2)}
.glass-soft{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}

.logo-mark{width:26px;height:26px;border-radius:8px;flex:none;background:url(/favicon.svg) center/cover;box-shadow:0 6px 18px -6px rgba(110,100,255,.8)}
.logo-mark.lg{width:56px;height:56px;border-radius:17px;box-shadow:0 18px 40px -12px rgba(110,100,255,.85)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:36px;padding:0 14px;border-radius:10px;font-weight:550;font-size:13.5px;white-space:nowrap;transition:transform .12s var(--ease),background .2s,box-shadow .2s,opacity .2s;user-select:none}
.btn:active{transform:scale(.97)}
.btn i[data-icon]{width:16px;height:16px}
.btn-primary{color:#fff;background:var(--grad);box-shadow:0 8px 24px -10px rgba(100,110,255,.85),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{box-shadow:0 12px 30px -10px rgba(100,110,255,1),inset 0 1px 0 rgba(255,255,255,.3);filter:brightness(1.05)}
.btn-primary:disabled{opacity:.6;cursor:default}
.btn-ghost{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line-2);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-ghost.danger{color:var(--danger)}
.btn-danger{color:#fff;background:linear-gradient(135deg,#ff6a7a,#e8435a);box-shadow:0 8px 22px -10px rgba(255,80,100,.8)}
.btn-sm{height:32px;padding:0 11px;font-size:13px;border-radius:9px}
.btn-lg{height:46px;font-size:15px;border-radius:12px}
.icon-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;color:var(--text-2);transition:background .2s,color .2s}
.icon-btn:hover{background:var(--surface-2);color:var(--text)}
.icon-btn.sm{width:28px;height:28px}
.icon-btn.sm i[data-icon]{width:16px;height:16px}

/* login */
.login{position:relative;z-index:1;height:100%;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:100%;max-width:380px;border-radius:24px;padding:40px 32px 26px;text-align:center;animation:pop .6s var(--ease) both}
.login-logo{display:flex;justify-content:center;margin-bottom:18px}
.login h1{font-size:26px;font-weight:700;letter-spacing:.08em}
.login .sub{color:var(--text-2);margin-top:6px;font-size:14px}
.login form{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.field input,.input{width:100%;height:46px;border-radius:12px;border:0;outline:0;padding:0 15px;background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line-2);font-size:15px;transition:box-shadow .2s,background .2s}
.field input:focus,.input:focus{box-shadow:inset 0 0 0 1.5px var(--accent),0 0 0 4px rgba(124,108,255,.16);background:var(--bg-elev)}
.login-err{min-height:20px;color:var(--danger);font-size:13px}
.login-foot{margin-top:10px;font-size:12px;color:var(--text-3);letter-spacing:.04em}
.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}

/* app shell */
.app{position:relative;z-index:1;display:flex;height:100%}
.sidebar{width:248px;flex:none;display:flex;flex-direction:column;gap:6px;padding:18px 14px 14px;border-right:1px solid var(--line);background:linear-gradient(180deg,var(--surface),transparent)}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px;font-weight:700;font-size:17px;letter-spacing:.06em}
.brand-badge{font-size:10.5px;font-weight:600;letter-spacing:.04em;color:var(--text-2);padding:2px 7px;border-radius:6px;box-shadow:inset 0 0 0 1px var(--line-2)}
.btn-upload{height:40px;margin:2px 0 14px;font-size:14px}
.nav{display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:10px;height:38px;padding:0 10px;border-radius:10px;color:var(--text-2);cursor:pointer;transition:background .2s,color .2s;font-weight:500;user-select:none}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item.active{background:var(--surface-3);color:var(--text);box-shadow:inset 0 0 0 1px var(--line)}
.nav-item.active i{color:var(--accent)}
.nav-item em{margin-left:auto;font-style:normal;font-size:11.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.side-spacer{flex:1}
.storage{border-radius:14px;padding:14px;margin-bottom:8px}
.storage-top{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-2)}
.storage-top b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.storage-bar{height:5px;border-radius:5px;background:var(--surface-3);margin:10px 0 8px;overflow:hidden}
.storage-bar i{display:block;height:100%;width:0;border-radius:5px;background:var(--grad);transition:width 1s var(--ease)}
.storage-meta{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.storage-top em{font-style:normal;font-weight:500;color:var(--text-3)}
.storage-bar.warn i{background:linear-gradient(90deg,#f5b84b,#f59e0b)}
.storage-bar.danger i{background:linear-gradient(90deg,#ff7a6b,#ff3b55)}
.storage.warn #statFree{color:var(--warn)}.storage.danger #statFree{color:var(--danger)}
.login-err{display:flex;align-items:center;justify-content:center;gap:6px}
.login-err.box{min-height:0;padding:10px 12px;border-radius:11px;background:rgba(255,93,108,.1);box-shadow:inset 0 0 0 1px rgba(255,93,108,.28);text-align:left;justify-content:flex-start}
.login-err.box.lock{background:rgba(245,184,75,.1);box-shadow:inset 0 0 0 1px rgba(245,184,75,.3);color:var(--warn)}
.login-err i{width:16px;height:16px;flex:none}
.side-foot{display:flex;align-items:center;gap:6px}
.side-link{display:flex;align-items:center;gap:8px;height:34px;padding:0 10px;border-radius:9px;color:var(--text-2);font-size:13px;flex:1}
.side-link:hover{background:var(--surface-2);color:var(--text)}
.scrim{display:none}

.main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}
.topbar{display:flex;align-items:center;gap:12px;height:62px;padding:0 26px;border-bottom:1px solid var(--line);flex:none}
.crumbs{display:flex;align-items:center;gap:2px;min-width:0;flex:1;overflow:hidden;font-size:13.5px}
.crumbs a{padding:5px 8px;border-radius:7px;color:var(--text-2);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px;transition:background .2s,color .2s}
.crumbs a:hover{background:var(--surface-2);color:var(--text)}
.crumbs a:last-child{color:var(--text);font-weight:550}
.crumbs .sep{color:var(--text-3);font-size:12px}
.crumbs a.drop-hover{background:var(--accent-soft);color:var(--text)}
.top-actions{display:flex;align-items:center;gap:8px}
.search{display:flex;align-items:center;gap:8px;height:36px;width:280px;padding:0 10px 0 12px;border-radius:10px;background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line);color:var(--text-3);transition:box-shadow .2s,width .3s var(--ease),background .2s}
.search:focus-within{box-shadow:inset 0 0 0 1.5px var(--accent),0 0 0 4px rgba(124,108,255,.14);width:340px;background:var(--bg-elev)}
.search i{width:16px;height:16px}
.search input{flex:1;min-width:0;border:0;outline:0;background:none;font-size:13.5px;color:var(--text)}
.search input::-webkit-search-cancel-button{display:none}
.search kbd{font-family:var(--mono);font-size:11px;padding:1px 6px;border-radius:5px;box-shadow:inset 0 0 0 1px var(--line-2);color:var(--text-3)}

.view{flex:1;overflow:auto;padding:22px 26px 120px;animation:fade .35s}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap;min-height:36px}
.tb-left{display:flex;align-items:baseline;gap:10px;min-width:0}
.tb-left h2{font-size:22px;font-weight:680;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.count{color:var(--text-3);font-size:13px;white-space:nowrap}
.tb-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.seg{display:flex;padding:3px;border-radius:10px;background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line)}
.seg button{width:32px;height:26px;border-radius:7px;display:flex;align-items:center;justify-content:center;color:var(--text-3);transition:all .2s}
.seg button i{width:16px;height:16px}
.seg button.on{background:var(--bg-elev);color:var(--text);box-shadow:var(--shadow-sm),inset 0 0 0 1px var(--line)}
.selbar{display:flex;align-items:center;gap:6px;padding-right:6px;margin-right:4px;border-right:1px solid var(--line);animation:fade .2s}
.selbar span{font-size:13px;color:var(--text-2);margin-right:4px}

/* items: grid */
.items.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px}
.item{position:relative;border-radius:var(--r-lg);cursor:pointer;user-select:none;animation:rise .45s var(--ease) both;transition:transform .25s var(--ease)}
.grid .item{padding:8px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);transition:background .25s,box-shadow .25s,transform .25s var(--ease)}
.grid .item:hover{background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line-2),var(--shadow-sm);transform:translateY(-2px)}
.grid .item.selected{box-shadow:inset 0 0 0 1.5px var(--accent),0 0 0 4px rgba(124,108,255,.12);background:var(--accent-soft)}
.thumb{position:relative;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--thumb-bg);display:flex;align-items:center;justify-content:center}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .4s,transform .6s var(--ease)}
.thumb img.ok{opacity:1}
.grid .item:hover .thumb img{transform:scale(1.04)}
.ficon{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 10px 24px -10px var(--c,rgba(0,0,0,.5))}
.ficon i{width:22px;height:22px}
.ficon.k-video{background:linear-gradient(140deg,#8b6dff,#5a5cff);--c:rgba(110,90,255,.8)}
.ficon.k-image{background:linear-gradient(140deg,#ff8a6a,#ff4f8b);--c:rgba(255,90,120,.7)}
.ficon.k-audio{background:linear-gradient(140deg,#ffb84d,#ff7a3d);--c:rgba(255,150,60,.7)}
.ficon.k-pdf{background:linear-gradient(140deg,#ff6161,#d9334d);--c:rgba(240,70,80,.7)}
.ficon.k-archive{background:linear-gradient(140deg,#b0956b,#7f6845);--c:rgba(160,130,90,.6)}
.ficon.k-doc{background:linear-gradient(140deg,#4f9dff,#2f6bff);--c:rgba(60,120,255,.7)}
.ficon.k-sheet{background:linear-gradient(140deg,#33d17a,#0e9f6e);--c:rgba(40,190,120,.7)}
.ficon.k-other{background:linear-gradient(140deg,#7d7d8c,#55555f);--c:rgba(100,100,120,.6)}
.ficon.k-folder{background:linear-gradient(140deg,#5fb4ff,#3d7bff);--c:rgba(70,140,255,.75)}
.folder-art{width:64px;height:52px;position:relative}
.folder-art:before{content:"";position:absolute;left:0;top:0;width:28px;height:12px;border-radius:5px 5px 0 0;background:linear-gradient(140deg,#6fb6ff,#4a86ff)}
.folder-art:after{content:"";position:absolute;left:0;right:0;bottom:0;top:7px;border-radius:4px 9px 9px 9px;background:linear-gradient(160deg,#7cc0ff,#3f73ff);box-shadow:0 12px 26px -10px rgba(70,130,255,.85),inset 0 1px 0 rgba(255,255,255,.4)}
.badge{position:absolute;right:8px;bottom:8px;padding:2px 7px;border-radius:6px;font-size:11.5px;font-weight:600;font-variant-numeric:tabular-nums;color:#fff;background:rgba(0,0,0,.62);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s}
.play span{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.18);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);color:#fff}
.play i{width:18px;height:18px;margin-left:2px}
.grid .item:hover .play{opacity:1}
.meta{padding:10px 4px 2px;min-width:0}
.name{font-weight:550;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sub{color:var(--text-3);font-size:12px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.check{position:absolute;top:14px;left:14px;width:22px;height:22px;border-radius:7px;background:rgba(0,0,0,.35);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.7);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s,background .2s;z-index:2;color:#fff}
.check i{width:14px;height:14px;opacity:0}
.item:hover .check,.has-sel .check{opacity:1}
.item.selected .check{background:var(--accent);box-shadow:none}
.item.selected .check i{opacity:1}
.more{position:absolute;top:14px;right:14px;width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;background:rgba(0,0,0,.4);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;transition:opacity .2s;z-index:2}
.more i{width:16px;height:16px}
.item:hover .more{opacity:1}
.item.drop-hover{box-shadow:inset 0 0 0 2px var(--accent)!important;background:var(--accent-soft)!important}

/* items: list */
.items.list{display:flex;flex-direction:column;border-radius:var(--r-lg);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden}
.list-head{display:grid;grid-template-columns:36px 1fr 110px 150px 96px;align-items:center;gap:12px;height:40px;padding:0 14px;color:var(--text-3);font-size:12px;border-bottom:1px solid var(--line)}
.list .item{display:grid;grid-template-columns:36px 1fr 110px 150px 96px;align-items:center;gap:12px;height:58px;padding:0 14px;border-radius:0;border-bottom:1px solid var(--line);animation-duration:.3s}
.list .item:last-child{border-bottom:0}
.list .item:hover{background:var(--surface-2)}
.list .item.selected{background:var(--accent-soft)}
.list .thumb{width:44px;height:32px;aspect-ratio:auto;border-radius:7px}
.list .thumb .ficon{width:28px;height:28px;border-radius:8px;box-shadow:none}
.list .thumb .ficon i{width:15px;height:15px}
.list .thumb .folder-art{transform:scale(.42)}
.list .badge,.list .play{display:none}
.list .cell-name{display:flex;align-items:center;gap:12px;min-width:0}
.list .meta{padding:0}
.list .sub{display:none}
.list .col{color:var(--text-2);font-size:12.5px;font-variant-numeric:tabular-nums;white-space:nowrap}
.list .check{position:static;opacity:1;background:transparent;box-shadow:inset 0 0 0 1.5px var(--line-2);width:18px;height:18px;border-radius:6px}
.list .item.selected .check{background:var(--accent);box-shadow:none}
.list .row-actions{display:flex;justify-content:flex-end;gap:2px;opacity:0;transition:opacity .2s}
.list .item:hover .row-actions{opacity:1}
.list .more{position:static;opacity:1;background:none;color:var(--text-2);backdrop-filter:none}
.list .more:hover,.list .row-actions .icon-btn:hover{background:var(--surface-3);color:var(--text)}
.grid .row-actions,.grid .col,.grid .list-only{display:none}

.skeleton .sk{border-radius:var(--r-lg);height:190px;background:linear-gradient(90deg,var(--surface) 0%,var(--surface-3) 50%,var(--surface) 100%);background-size:200% 100%;animation:shimmer 1.4s linear infinite}

.empty{display:flex;flex-direction:column;align-items:center;text-align:center;padding:70px 20px;animation:rise .5s var(--ease)}
.empty-art{width:96px;height:96px;border-radius:28px;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,rgba(124,108,255,.22),rgba(47,196,224,.1));box-shadow:inset 0 0 0 1px var(--line-2),0 30px 60px -30px rgba(110,100,255,.8);margin-bottom:22px;color:var(--accent)}
.empty-art i{width:40px;height:40px}
.empty h3{font-size:18px;font-weight:650}
.empty p{color:var(--text-2);margin:8px 0 22px;max-width:360px}

/* shares */
.share-list{display:flex;flex-direction:column;gap:10px}
.share{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;padding:12px 14px;border-radius:16px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);animation:rise .4s var(--ease) both;transition:background .2s}
.share:hover{background:var(--surface-2)}
.share .thumb{width:44px;height:44px;aspect-ratio:auto;border-radius:11px}
.share .thumb .ficon{width:44px;height:44px;border-radius:11px;box-shadow:none}
.share .s-name{font-weight:560;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.share .s-meta{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:4px;font-size:12px;color:var(--text-3);align-items:center}
.share .s-url{font-family:var(--mono);font-size:12px;color:var(--text-2)}
.pill{display:inline-flex;align-items:center;gap:4px;height:20px;padding:0 8px;border-radius:6px;font-size:11.5px;font-weight:550;background:var(--surface-3);color:var(--text-2)}
.pill i{width:12px;height:12px}
.pill.ok{background:rgba(52,211,153,.13);color:var(--ok)}
.pill.warn{background:rgba(245,184,75,.14);color:var(--warn)}
.pill.bad{background:rgba(255,93,108,.13);color:var(--danger)}
.pill.ac{background:var(--accent-soft);color:#a99fff}
[data-theme=light] .pill.ac{color:#5a4ae0}
.s-actions{display:flex;gap:6px}

/* drop overlay */
.drop{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:rgba(9,9,12,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:fade .2s;padding:24px}
.drop-inner{width:100%;height:100%;max-width:900px;max-height:560px;border-radius:28px;border:2px dashed rgba(140,130,255,.7);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#fff;background:radial-gradient(ellipse at center,rgba(124,108,255,.18),transparent 70%);animation:pop .3s var(--ease)}
.drop-inner i{width:52px;height:52px;color:#a99fff;animation:bob 1.4s ease-in-out infinite}
.drop-inner b{font-size:22px;font-weight:650}
.drop-inner span{color:rgba(255,255,255,.7)}
@keyframes bob{50%{transform:translateY(-8px)}}

/* uploads panel */
.uploads{position:fixed;right:22px;bottom:22px;z-index:40;width:400px;max-width:calc(100vw - 24px);border-radius:18px;overflow:hidden;animation:pop .35s var(--ease)}
.up-head{display:flex;align-items:center;gap:4px;padding:12px 10px 12px 16px;border-bottom:1px solid var(--line)}
.up-head>div{flex:1;min-width:0;display:flex;flex-direction:column}
.up-head b{font-size:14px;font-weight:620}
.up-head span{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.uploads.collapsed .up-list{display:none}
.uploads{transition:opacity .32s var(--ease),transform .32s var(--ease)}
.uploads.leaving{opacity:0;transform:translateY(14px) scale(.98);pointer-events:none}
.up-timer{height:2px;margin-top:-1px;position:relative;overflow:hidden}
.up-timer i{position:absolute;inset:0;transform-origin:left;transform:scaleX(0);background:linear-gradient(90deg,var(--accent,#7c5cff),var(--accent-2,#4cc9f0));opacity:.85}
.uploads.closing .up-timer i{animation:upcount 3s linear forwards}
@keyframes upcount{from{transform:scaleX(1)}to{transform:scaleX(0)}}
@media (prefers-reduced-motion:reduce){.uploads{transition:opacity .2s}.uploads.leaving{transform:none}}
.uploads.collapsed [data-action=toggle-uploads] i{transform:rotate(180deg)}
.up-list{max-height:min(380px,50vh);overflow:auto;padding:6px}
.up{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:9px 8px;border-radius:12px}
.up:hover{background:var(--surface-2)}
.up .ficon{width:34px;height:34px;border-radius:10px;box-shadow:none}
.up .ficon i{width:16px;height:16px}
.up .u-name{font-size:13px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.up .u-stat{font-size:11.5px;color:var(--text-3);font-variant-numeric:tabular-nums;display:flex;justify-content:space-between;gap:8px;margin-top:5px}
.bar{height:4px;border-radius:4px;background:var(--surface-3);overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:4px;transition:width .3s linear;position:relative}
.up.done .bar i{background:var(--ok)}
.up.error .bar i{background:var(--danger)}
.up.done .u-stat,.up.error .u-stat{display:none}
.up .u-msg{font-size:11.5px;margin-top:5px;display:none}
.up.done .u-msg{display:block;color:var(--ok)}
.up.error .u-msg{display:block;color:var(--danger)}

/* modal */
.modal-wrap{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(5,5,8,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fade .2s}
.modal{width:100%;max-width:440px;border-radius:22px;padding:24px;animation:pop .3s var(--ease);max-height:calc(100vh - 40px);overflow:auto}
.modal.wide{max-width:min(1100px,96vw);padding:0;overflow:hidden;display:flex;flex-direction:column}
.modal h3{font-size:17px;font-weight:650;margin-bottom:6px;padding-right:24px;word-break:break-all}
.modal .desc{color:var(--text-2);font-size:13.5px;margin-bottom:18px;word-break:break-all}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}
.modal .x{position:absolute;top:16px;right:16px}
.modal{position:relative}
.form-row{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.form-row>label,.form-label{font-size:12.5px;color:var(--text-2);font-weight:550}
.seg-lg{display:grid;grid-template-columns:repeat(4,1fr);padding:3px;border-radius:11px;background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line)}
.seg-lg button{height:34px;border-radius:8px;font-size:13px;color:var(--text-2);transition:all .2s;font-weight:550}
.seg-lg button.on{background:var(--bg-elev);color:var(--text);box-shadow:var(--shadow-sm),inset 0 0 0 1px var(--line)}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:12px;background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line);margin-top:10px}
.switch-row .t{font-size:13.5px;font-weight:550}
.switch-row .d{font-size:12px;color:var(--text-3)}
.switch{position:relative;width:40px;height:24px;flex:none;border-radius:20px;background:var(--surface-3);box-shadow:inset 0 0 0 1px var(--line-2);transition:background .25s}
.switch:after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.3);transition:transform .25s var(--ease)}
.switch.on{background:var(--accent);box-shadow:none}
.switch.on:after{transform:translateX(16px)}
.pw-line{display:flex;gap:8px;margin-top:10px}
.pw-line .input{height:40px;font-family:var(--mono);letter-spacing:.12em}
.result{margin-top:18px;padding:14px;border-radius:14px;background:linear-gradient(135deg,rgba(124,108,255,.12),rgba(47,196,224,.06));box-shadow:inset 0 0 0 1px rgba(124,108,255,.3);animation:pop .3s var(--ease)}
.result .ok-t{display:flex;align-items:center;gap:6px;font-weight:600;font-size:13.5px;color:var(--ok);margin-bottom:10px}
.result .ok-t i{width:16px;height:16px}
.link-box{display:flex;gap:8px}
.link-box .input{height:40px;font-family:var(--mono);font-size:12.5px}
.result .pwd{margin-top:8px;font-size:12.5px;color:var(--text-2)}
.result .pwd b{font-family:var(--mono);color:var(--text);letter-spacing:.1em}

.preview-head{display:flex;align-items:center;gap:12px;padding:14px 14px 14px 20px;border-bottom:1px solid var(--line)}
.preview-head .t{flex:1;min-width:0}
.preview-head .t b{display:block;font-weight:620;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preview-head .t span{font-size:12px;color:var(--text-3)}
.preview-body{background:#000;display:flex;align-items:center;justify-content:center;min-height:260px;flex:1;overflow:hidden}
.preview-body video,.preview-body img{max-width:100%;max-height:calc(100vh - 160px);display:block}
.preview-body iframe{width:100%;height:calc(100vh - 160px);border:0;background:#fff}
.preview-body audio{width:80%;margin:60px 0}
.preview-body .nopv{color:#aaa;padding:60px 20px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}

.folder-picker{margin-top:6px;border-radius:12px;box-shadow:inset 0 0 0 1px var(--line);max-height:280px;overflow:auto;padding:4px}
.fp-crumb{display:flex;flex-wrap:wrap;gap:2px;align-items:center;font-size:12.5px;margin-bottom:8px;color:var(--text-2)}
.fp-crumb a{cursor:pointer;padding:2px 6px;border-radius:6px}
.fp-crumb a:hover{background:var(--surface-2)}
.fp-item{display:flex;align-items:center;gap:10px;height:38px;padding:0 10px;border-radius:9px;cursor:pointer;font-size:13.5px}
.fp-item:hover{background:var(--surface-2)}
.fp-item .folder-art{transform:scale(.32);transform-origin:center;margin:-18px -22px}
.fp-empty{padding:18px;text-align:center;color:var(--text-3);font-size:13px}

/* menu */
.menu{position:fixed;z-index:70;min-width:184px;padding:6px;border-radius:14px;animation:pop .16s var(--ease)}
.menu button{display:flex;align-items:center;gap:10px;width:100%;height:34px;padding:0 10px;border-radius:8px;font-size:13.5px;color:var(--text);text-align:left}
.menu button i{width:16px;height:16px;color:var(--text-2)}
.menu button:hover{background:var(--surface-3)}
.menu button.danger,.menu button.danger i{color:var(--danger)}
.menu hr{border:0;height:1px;background:var(--line);margin:5px 4px}

/* toasts */
.toasts{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}
.toast{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:12px;font-size:13.5px;font-weight:550;animation:pop .3s var(--ease);pointer-events:auto;max-width:min(560px,calc(100vw - 32px))}
.toast i{width:16px;height:16px}
.toast.ok i{color:var(--ok)}.toast.err i{color:var(--danger)}
.toast.out{opacity:0;transform:translateY(8px);transition:all .3s}

.spinner{width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;animation:spin .7s linear infinite}

.fab{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom));z-index:30;width:56px;height:56px;border-radius:18px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 16px 36px -10px rgba(100,110,255,.9),inset 0 1px 0 rgba(255,255,255,.3)}
.fab i{width:24px;height:24px}
.only-mobile{display:none!important}

@media (max-width:900px){
  .only-mobile{display:inline-flex!important}
  .only-desktop{display:none!important}
  .sidebar{position:fixed;z-index:45;top:0;bottom:0;left:0;background:var(--bg-elev);transform:translateX(-102%);transition:transform .35s var(--ease);box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .scrim{display:block;position:fixed;inset:0;z-index:44;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:opacity .3s}
  .scrim.on{opacity:1;pointer-events:auto}
  .topbar{padding:0 12px;gap:6px;height:56px}
  .search{width:170px}
  .search:focus-within{width:210px}
  .search kbd{display:none}
  .view{padding:16px 14px 110px}
  .tb-left h2{font-size:19px}
  .items.grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
  .grid .item{padding:6px;border-radius:15px}
  .check,.more{opacity:1}
  .check{opacity:0}
  .has-sel .check{opacity:1}
  .list-head{display:none}
  .list .item{grid-template-columns:28px 1fr 40px;height:62px}
  .list .col{display:none}
  .list .sub{display:block}
  .list .row-actions{opacity:1}
  .list .row-actions .icon-btn:not(.more){display:none}
  .uploads{right:12px;left:12px;width:auto;bottom:calc(84px + env(safe-area-inset-bottom))}
  .hide-sm{display:none}
  .share{grid-template-columns:40px 1fr;}
  .share .s-actions{grid-column:1/-1;justify-content:flex-end}
  .modal{padding:20px;border-radius:20px}
  .modal-wrap{align-items:flex-end;padding:10px}
  .modal.wide{max-width:100%}
}
@media (max-width:480px){.crumbs a{max-width:110px}.search{width:120px}.search:focus-within{width:160px}}