:root{--bg:#eef1f6;--card:#fff;--line:#e4e8ef;--tx:#1f2937;--mut:#6b7280;--pri:#2563eb;--pri2:#1d4ed8;--green:#16a34a;--red:#dc2626;--amber:#d97706;--r:12px;--shadow:0 1px 3px rgba(16,24,40,.08)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--tx);-webkit-font-smoothing:antialiased}
a{color:var(--pri);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--card);color:var(--tx);padding:8px 15px;border-radius:9px;cursor:pointer;font-size:14px;line-height:1.2;transition:.15s;font-weight:500}
.btn:hover{border-color:#c6cede;background:#f8fafc}
.btn.pri{background:var(--pri);border-color:var(--pri);color:#fff}
.btn.pri:hover{background:var(--pri2)}
.btn.danger{color:var(--red);border-color:#f2c8c8}
.btn.danger:hover{background:#fef2f2}
.btn.sm{padding:5px 11px;font-size:13px;border-radius:7px}
.btn.ghost{background:transparent;border-color:transparent;color:var(--mut)}
.btn.ghost:hover{background:#f1f5f9;color:var(--tx)}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,textarea,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;outline:none;background:#fff;transition:border .15s}
input:focus,textarea:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.muted{color:var(--mut);font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}

/* ===== auth ===== */
.authwrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#e8eefc 0%,#f6f7fb 50%,#eef3ff 100%)}
.authbox{width:100%;max-width:400px}
.authbox .brand{text-align:center;margin-bottom:18px}
.authbox .brand .lg{font-size:40px}
.authbox .brand h1{font-size:22px;margin-top:2px;letter-spacing:.5px}
.authbox .brand p{color:var(--mut);font-size:13px;margin-top:4px}
.authbox .card{padding:28px;box-shadow:0 10px 34px rgba(37,99,235,.10)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--mut);margin-bottom:6px;font-weight:500}
.authfoot{text-align:center;margin-top:16px;font-size:13px;color:var(--mut)}
.authfoot a{margin:0 4px}
.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;padding:9px 12px;border-radius:9px;font-size:13px;margin-bottom:12px;display:none}
.okbox{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0;padding:12px;border-radius:9px;font-size:14px;text-align:center;margin-bottom:12px}
.lg{display:inline-block;padding:2px 4px}
.lg .b1{color:#2563eb}

/* ===== app top ===== */
.top{background:var(--card);border-bottom:1px solid var(--line);padding:0 20px;height:56px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:20}
.top .logo{font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px;cursor:pointer}
.top .logo .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px}
.top .sp{flex:1}
.top .navl{display:flex;gap:4px}
.top .navl a{padding:7px 13px;border-radius:8px;color:var(--mut);font-size:14px}
.top .navl a:hover,.top .navl a.on{background:#eef2ff;color:var(--pri)}
.chip{display:flex;align-items:center;gap:8px;padding:5px 6px 5px 12px;border:1px solid var(--line);border-radius:999px;cursor:pointer}
.chip:hover{background:#f8fafc}
.avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.menu{position:absolute;right:20px;top:52px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px rgba(0,0,0,.12);min-width:190px;padding:6px;z-index:30}
.menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--tx);font-size:14px}
.menu a:hover{background:#f1f5f9}
.menu a.red{color:var(--red)}
.wrap{max-width:1150px;margin:0 auto;padding:20px}

/* storage card */
.storage{background:linear-gradient(135deg,#2563eb,#6d28d9);color:#fff;border-radius:14px;padding:18px 22px;display:flex;align-items:center;gap:24px;margin-bottom:18px;flex-wrap:wrap}
.storage .big{font-size:26px;font-weight:700}
.storage .big small{font-size:13px;font-weight:400;opacity:.85}
.storage .lbl{opacity:.85;font-size:13px}
.sbar{width:100%;max-width:340px;height:8px;background:rgba(255,255,255,.28);border-radius:6px;overflow:hidden}
.sbar>div{height:100%;background:#fff;border-radius:6px;transition:width .4s}
.storage .stxt{font-size:13px;opacity:.95}

.toolbar{display:flex;align-items:center;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.crumb{font-size:15px;font-weight:600;display:flex;align-items:center;gap:6px;flex:1;min-width:180px}
.crumb a{color:var(--tx)}.crumb a:hover{color:var(--pri)}
.crumb .sep{color:#c2c9d4}
.bar{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.fhead,.frow{display:grid;grid-template-columns:46px 1fr 108px 118px 292px;gap:10px;align-items:center;padding:0 18px}
.fhead{height:40px;background:#f9fafb;color:var(--mut);font-size:12px;border-bottom:1px solid var(--line);font-weight:600}
.frow{border-bottom:1px solid #f1f3f7;height:56px;cursor:default;transition:background .1s}
.frow:hover{background:#f7f9fc}
.frow:last-child{border-bottom:0}
.frow .nm{display:flex;align-items:center;gap:12px;min-width:0;cursor:pointer}
.frow .nm:hover .n{color:var(--pri)}
.frow .nm .n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.thumb{width:40px;height:40px;border-radius:8px;object-fit:cover;flex-shrink:0;background:#f0f2f6;border:1px solid #eceff4}
.fico{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:21px;flex-shrink:0;background:#f1f5f9}
.ops{white-space:nowrap;text-align:right;opacity:0;transition:opacity .15s}
.frow:hover .ops{opacity:1}
.ops a{margin-left:8px;font-size:12.5px}
.empty{text-align:center;color:var(--mut);padding:70px 0}
.empty .ei{font-size:52px;opacity:.4;display:block;margin-bottom:8px}
.check{width:17px;height:17px;accent-color:var(--pri);cursor:pointer}
.frow.sel{background:#eef4ff}

/* uploads panel */
.upbox{position:fixed;right:18px;bottom:18px;width:330px;max-height:70vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.18);z-index:60}
.upbox .h{padding:12px 16px;border-bottom:1px solid var(--line);font-weight:600;display:flex;align-items:center;justify-content:space-between;font-size:14px}
.upitem{padding:10px 16px;border-bottom:1px solid #f3f5f8}
.upitem:last-child{border-bottom:0}
.upitem .r1{display:flex;align-items:center;gap:8px;font-size:13px}
.upitem .r1 .pn{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.upitem .st{font-size:12px}
.upitem .pb{height:6px;background:#eef1f6;border-radius:4px;overflow:hidden;margin-top:6px}
.upitem .pb>div{height:100%;background:var(--pri);transition:width .2s}
.upitem.done .st{color:var(--green)}
.upitem.err .st{color:var(--red)}
.upitem.done .pb>div{background:var(--green)}
.upe .tag{font-size:12px;background:#eef2ff;color:#4338ca;padding:2px 8px;border-radius:20px}

/* preview modal */
.dlg{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;z-index:70;padding:20px}
.dlg .pbox{background:#111827;border-radius:12px;max-width:94vw;max-height:92vh;display:flex;flex-direction:column;overflow:hidden;position:relative}
.phead{display:flex;align-items:center;gap:10px;padding:12px 16px;color:#fff;font-size:14px;background:#1f2937}
.phead .sp{flex:1}
.pclose{cursor:pointer;color:#9ca3af;font-size:20px;padding:0 6px}
.pclose:hover{color:#fff}
.pbody{overflow:auto;background:#000;display:flex;align-items:center;justify-content:center;min-height:60vh;flex:1}
.pbody img{max-width:100%;max-height:78vh;display:block}
.pbody video{max-width:100%;max-height:78vh}
.pbody pre{background:#0f172a;color:#e5e7eb;padding:22px;font-size:14px;line-height:1.7;white-space:pre-wrap;max-width:90vw;min-width:400px}
.pfoot{display:flex;gap:10px;padding:10px 16px;background:#1f2937}
.pfoot .btn{background:var(--pri);border:none;color:#fff}
.pfoot .btn:hover{background:var(--pri2)}
.dlg .box{background:#fff;border-radius:14px;padding:24px;width:100%;max-width:400px}
.dlg .box h3{margin-bottom:6px;font-size:17px}
.dlg .box .sub{color:var(--mut);font-size:13px;margin-bottom:16px}
.dlg .row{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;background:#eef2ff;color:#4338ca}
.badge.g{background:#ecfdf5;color:#047857}
.badge.r{background:#fef2f2;color:#b91c1c}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:#111827;color:#fff;padding:11px 20px;border-radius:10px;font-size:14px;z-index:99;opacity:0;transition:.25s;box-shadow:0 8px 24px rgba(0,0,0,.25);display:flex;align-items:center;gap:8px}
.spin{display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.ld{text-align:center;padding:60px;color:var(--mut)}
.ld .spin{border-color:#d5dbe4;border-top-color:var(--pri);width:28px;height:28px;border-width:3px}

/* stat cards / admin */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:760px){.grid2{grid-template-columns:1fr}}
.panel{border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.panel h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.kv{display:flex;flex-direction:column;gap:12px}
.kv .row2{display:flex;align-items:center;gap:10px}
.kv label{width:120px;font-size:13px;color:var(--mut);flex-shrink:0}
.qin{display:flex;gap:8px}
.qin input{width:140px}
@media(max-width:640px){.fhead{display:none}.frow{grid-template-columns:1fr auto;height:auto;padding:10px 14px;grid-auto-rows:auto}.frow .hm{display:none}.ops{opacity:1}}

/* ===== 云盘布局: 顶栏 + 侧栏 + 内容 ===== */
.layout{display:flex;min-height:calc(100vh - 56px);background:var(--bg)}
.side{width:216px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:56px;height:calc(100vh - 56px)}
.side-nav{flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:3px;overflow:auto}
.side-nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:#374151;font-size:14px;font-weight:500;transition:.15s}
.side-nav a .s-ic{font-size:17px;width:22px;text-align:center}
.side-nav a:hover{background:#f3f4f6;color:var(--pri)}
.side-nav a.on{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;box-shadow:0 4px 12px rgba(79,70,229,.3)}
.side-foot{border-top:1px solid var(--line);padding:14px 12px}
.side-user{display:flex;align-items:center;gap:10px;cursor:pointer;padding:6px;border-radius:10px}
.side-user:hover{background:#f8fafc}
.side-user .su-t{flex:1;min-width:0}
.side-user .su-t b{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-user .su-t span{font-size:11px;color:var(--mut)}
.side-user .caret{color:#9ca3af;font-size:12px}
.side-bar{height:5px;background:#eef0f4;border-radius:4px;overflow:hidden;margin:8px 6px 0}
.side-bar>div{height:100%;background:linear-gradient(90deg,#4f46e5,#8b5cf6);border-radius:4px;transition:width .4s}
.main{flex:1;min-width:0;padding:20px 24px 60px;overflow-y:auto}
.toolbar.pd{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 16px;box-shadow:var(--shadow);margin-bottom:12px}
.toolbar .vd{width:1px;height:20px;background:var(--line)}
.grow{flex:1}
.c-ic{font-size:15px}
.crumb{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden}
.crumb a{color:var(--tx);white-space:nowrap}
.crumb a:hover{color:var(--pri)}
.crumb .sep{color:#c2c9d4}
.phead-tip{font-size:13px;color:var(--mut);margin:0 2px 10px}
.tag2{display:inline-block;font-size:11px;margin-left:6px}

/* ===== 公开分享落地页 ===== */
.pub{min-height:100vh;background:linear-gradient(160deg,#eef1f6,#e6ecfb);display:flex;flex-direction:column;align-items:center;padding:0 16px}
.pub-top{width:100%;max-width:720px;display:flex;align-items:center;justify-content:space-between;padding:20px 0}
.pub-top .logo{font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px}
.pub-top .logo .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px}
.pub-back{font-size:13px;color:var(--mut)}
.pub-card{width:100%;max-width:720px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 14px 44px rgba(30,41,59,.10);padding:30px;margin-top:6vh}
.pub-foot{color:#9ca3af;font-size:12px;padding:26px 0}
.pub-file{display:flex;align-items:center;gap:20px;padding:8px 4px 22px;border-bottom:1px solid #f1f3f7}
.pub-big{font-size:52px;width:76px;height:76px;border-radius:16px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pf-t{min-width:0}
.pf-name{font-size:18px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pf-meta{color:var(--mut);font-size:13px;margin-top:6px}
.pub-actions{display:flex;gap:10px;padding-top:22px;flex-wrap:wrap}
.pub-actions .btn{font-size:15px;padding:11px 22px}
.pub-err{text-align:center;color:#b91c1c;padding:30px}
.pub-pwd{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 0;text-align:center}
.pub-pwd .pub-ic{font-size:40px}
.pub-pwd .pub-h{font-size:18px;font-weight:700;margin-top:6px}
.pub-pwd .pub-s{color:var(--mut);font-size:13px;margin-bottom:14px}
.pub-pwd input{max-width:300px;text-align:center}
.pub-pwd .btn{margin-top:10px}
.pub-pwd .err{width:100%;max-width:320px}

/* ===== 分享链接结果 ===== */
.share-link{background:#f8fafc;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:13px;color:#334155;cursor:text}
.field label{display:block;font-size:12.5px;color:var(--mut);margin-bottom:5px;font-weight:500}

@media(max-width:760px){
  .side{width:64px}
  .side-nav a{justify-content:center;padding:12px 6px}
  .side-nav a .s-ic{width:auto}
  .side-nav a{font-size:0}
  .side-nav a.on{font-size:0}
  .side-user .su-t,.side-user .caret{display:none}
  .main{padding:14px 12px 60px}
}

/* ===== 文件夹选择器 ===== */
.fp-box{max-width:520px;width:100%;display:flex;flex-direction:column;max-height:82vh}
.fp-path{display:flex;align-items:center;flex-wrap:wrap;gap:4px;font-size:14px;padding:10px 12px;background:#f6f7fb;border:1px solid var(--line);border-radius:10px;margin-bottom:10px}
.fp-path a{color:var(--pri);font-weight:500}
.fp-path a:hover{text-decoration:underline}
.fp-sep{color:#c2c9d4}
.fp-here{font-size:11px;color:var(--mut);margin-right:6px;background:#eef2ff;color:#4338ca;padding:2px 8px;border-radius:20px;flex-shrink:0}
.fp-list{flex:1;overflow:auto;border:1px solid var(--line);border-radius:10px;min-height:200px;max-height:48vh}
.fp-row{display:flex;align-items:center;gap:11px;padding:11px 14px;border-bottom:1px solid #f3f5f8;cursor:pointer;transition:background .12s}
.fp-row:last-child{border-bottom:0}
.fp-row:hover{background:#f0f6ff}
.fp-ic{font-size:19px}
.fp-n{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.fp-go{color:var(--mut);font-size:13px;opacity:0;transition:.12s}
.fp-row:hover .fp-go{opacity:1}
.fp-empty{text-align:center;color:var(--mut);padding:46px 10px;font-size:14px}
.fp-actions{display:flex;align-items:center;gap:8px;margin-top:12px}
.fp-actions .grow{flex:1}
@media(max-width:600px){.fp-box{max-width:94vw}}

/* ===== 左上角位置路径标题 ===== */
.locbar{display:flex;align-items:center;gap:10px;margin:2px 2px 14px;min-height:34px}
.loc-ic{font-size:22px}
.locbar .crumb{font-size:17px;font-weight:700;color:#1f2937;min-width:0;flex-wrap:nowrap;overflow:hidden}
.locbar .crumb a{color:#111827;font-weight:600;white-space:nowrap}
.locbar .crumb a:hover{color:var(--pri)}
.locbar .crumb .sep{color:#9aa3b2;margin:0 1px}
.upitem .st .sp{color:#6b7280;font-weight:400}
.upitem .st{display:flex;gap:6px;align-items:center}
.upitem.dup .st{color:#b45309}
.upitem.dup .pb>div{background:#d97706}
.upitem .r1 .pn{font-weight:500}
.frow.fld .nm{cursor:pointer}
.frow.fld:hover .nm{color:var(--pri)}
.pub-dir-head{display:flex;gap:14px;align-items:flex-start;padding:6px 2px 14px;border-bottom:1px solid #eef0f4}
.pub-list{margin:6px 0;max-height:52vh;overflow:auto}
.pdir{display:flex;align-items:center;gap:10px;padding:9px 8px;border-radius:8px;cursor:default}
.pdir:hover{background:#f3f6fb}
.pdir .ic{font-size:18px;flex:none}
.pdir .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pdir .sz{flex:none;font-size:12px;width:64px;text-align:right}
.pdir .fops{flex:none;display:flex;gap:10px;font-size:13px}
.pdir .fops a{color:var(--pri);white-space:nowrap}
.pdir.fld{cursor:pointer}
.pdir.fld:hover .nm{color:var(--pri)}

/* 后台管理小按钮 (v20260903p) */
.btn.mini{padding:3px 10px;font-size:12px;border-radius:7px}
.btn.r{color:#dc2626;border-color:#fecaca;background:#fff}
.btn.r:hover{background:#fef2f2}
.ufrow:hover{background:#f8fafc}