:root{--bg:#f5f6f8;--card:#fff;--fg:#1c2330;--mut:#667085;--line:#e1e5ec;--acc:#0a6cff;--acc-fg:#fff;--ok:#157f3b;--bad:#c0262d;--warn:#a15c00}
@media (prefers-color-scheme:dark){:root{--bg:#10141b;--card:#181e28;--fg:#e8ecf3;--mut:#98a2b3;--line:#2a3342;--acc:#4d8dff;--acc-fg:#08111f;--ok:#4cc38a;--bad:#ff7b80;--warn:#e0a84d}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:860px;margin:0 auto;padding:24px 16px 64px}
header.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
h1{font-size:1.4rem;margin:0}h2{font-size:1.1rem;margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:16px}
.mut{color:var(--mut);font-size:.9rem}
label{display:block;font-weight:600;margin:12px 0 4px}
input[type=email],input[type=text],input[type=number]{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}
button,.btn{background:var(--acc);color:var(--acc-fg);border:0;border-radius:8px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}
button.sec{background:transparent;color:var(--fg);border:1px solid var(--line)}
button.danger{background:transparent;color:var(--bad);border:1px solid var(--line)}
button:disabled{opacity:.5;cursor:default}
.drop{border:2px dashed var(--line);border-radius:12px;padding:32px 16px;text-align:center;cursor:pointer}
.drop.over{border-color:var(--acc);background:color-mix(in srgb,var(--acc) 8%,transparent)}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top;word-break:break-word}
th{color:var(--mut);font-weight:600}
.badge{padding:2px 8px;border-radius:99px;font-size:.8rem;border:1px solid var(--line)}
.ok{color:var(--ok)}.bad{color:var(--bad)}.warn{color:var(--warn)}
progress{width:100%;height:8px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
@media (max-width:560px){.grid{grid-template-columns:1fr}table{font-size:.85rem}}
.hidden{display:none !important}
.msg{margin:12px 0;padding:10px 12px;border-radius:8px;border:1px solid var(--line)}
.brand{background:#1d2733;padding:20px 16px;text-align:center}
.brand img{max-width:100%;height:auto}
.foot{text-align:center;margin-top:24px}
.foot a{color:var(--mut)}

/* Admin: horizontale Menüleiste wie bei Fleet */
.topbar{display:flex;align-items:center;gap:28px;padding:0 24px;height:54px;background:#1d2733;color:#fff}
.tb-brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:600}
.tb-brand img{display:block}
.tb-brand span{color:#9fb3c8;font-weight:500;font-size:.95rem;border-left:1px solid #3a4658;padding-left:12px}
.topbar nav{display:flex;gap:4px;height:100%}
.topbar nav a{display:flex;align-items:center;padding:0 14px;color:#9fb3c8;text-decoration:none;border-bottom:3px solid transparent;font-weight:500}
.topbar nav a:hover{color:#fff}
.topbar nav a.on{color:#fff;border-bottom-color:var(--acc)}
.tb-who{margin-left:auto;display:flex;align-items:center;gap:14px;color:#9fb3c8;font-size:.9rem}
.tb-who button{padding:6px 12px;color:#fff;border-color:#3a4658}
@media (max-width:640px){.topbar{gap:14px;padding:0 12px}.tb-brand span,#who{display:none}}
main.wide{max-width:none;padding-left:24px;padding-right:24px}

/* Share: zwei Spalten */
main.share{max-width:none;padding-left:24px;padding-right:24px}
.split{display:grid;grid-template-columns:minmax(260px,320px) minmax(0,1fr);gap:16px;align-items:start}
.side{position:sticky;top:12px;margin-bottom:0}
.side-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.side-head h2{margin:0}
.plus{width:36px;height:36px;padding:0;border-radius:50%;font-size:1.5rem;line-height:1}
#search{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit;margin-bottom:8px}
.clist{list-style:none;margin:0 0 8px;padding:0;max-height:70vh;overflow:auto}
.clist li{padding:10px 10px;border-radius:8px;cursor:pointer;display:flex;gap:10px;align-items:flex-start;border:1px solid transparent}
.clist li:hover{background:color-mix(in srgb,var(--acc) 6%,transparent)}
.clist li.sel{background:color-mix(in srgb,var(--acc) 12%,transparent);border-color:var(--acc)}
.clist .dot{width:9px;height:9px;border-radius:50%;margin-top:7px;flex:0 0 auto;background:var(--ok)}
.clist .dot.off{background:var(--bad)}
.clist .nm{font-weight:600;word-break:break-word}
.clist .sub{color:var(--mut);font-size:.85rem;word-break:break-word}
.d-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:12px}
.d-head h2{margin:0}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 16px}
dialog{border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--fg);padding:20px;width:min(640px,92vw)}
dialog::backdrop{background:rgba(0,0,0,.55)}
.dlg-actions{justify-content:flex-end;margin-top:12px}
@media (max-width:820px){.split{grid-template-columns:1fr}.side{position:static}.facts{grid-template-columns:1fr}}

/* Dashboard */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.tile .v{font-size:1.7rem;font-weight:700;line-height:1.2}
.tile .l{color:var(--mut);font-size:.85rem}
.tile .s{font-size:.8rem;margin-top:4px}
.alerts{list-style:none;margin:0;padding:0}
.alerts li{padding:8px 0;border-bottom:1px solid var(--line);font-size:.92rem;word-break:break-word}
.alerts li:last-child{border-bottom:0}
.homebtn{width:100%;margin-bottom:8px}
tr.link{cursor:pointer}tr.link:hover{background:color-mix(in srgb,var(--acc) 6%,transparent)}

/* Datei-Explorer (Kundendetail) */
.explorer{position:relative}
.ex-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.ex-bar h2{margin:0}
.ex-notify{font-size:.9rem;color:var(--mut)}
.explorer.over{outline:2px dashed var(--acc);outline-offset:-6px}
.ex-drop{border:2px dashed var(--acc);border-radius:10px;padding:22px;text-align:center;margin-bottom:12px;color:var(--acc);background:color-mix(in srgb,var(--acc) 8%,transparent)}
.ex-empty{text-align:center;color:var(--mut);padding:36px 12px}
.c-sel{width:32px}
.fname{display:flex;gap:8px;align-items:flex-start}
.ficon{font-size:1.15rem;line-height:1.4}
.src{font-size:.8rem;color:var(--mut)}
tr.sel-row{background:color-mix(in srgb,var(--acc) 10%,transparent)}
.qrow{display:grid;grid-template-columns:1fr 140px;gap:4px 12px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem}
.qrow .qs{grid-column:1/-1}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:2px;font-size:1.1rem;font-weight:600}
.crumbs a{color:var(--fg);text-decoration:none;padding:4px 8px;border-radius:6px;cursor:pointer}
.crumbs a:hover{background:color-mix(in srgb,var(--acc) 10%,transparent)}
.crumbs a.cur{cursor:default}
.crumbs .sep{color:var(--mut)}
.crumbs a.drop-over,tr.drop-over{background:color-mix(in srgb,var(--acc) 22%,transparent);outline:2px solid var(--acc)}
tr.frow{cursor:pointer}
tr.frow .fn{font-weight:600}
tr[draggable=true]{cursor:grab}
tr.dragging{opacity:.45}
.mini{padding:4px 10px;font-size:.85rem}
tr.frow:hover{background:color-mix(in srgb,var(--acc) 6%,transparent)}
.btn.mini{padding:4px 10px;font-size:.85rem}

/* ===== Datei-Explorer (explorer.js) ===== */
main.app{max-width:1600px;padding-left:24px;padding-right:24px}
.explorer{position:relative;padding:14px 16px}
.explorer.over{outline:2px dashed var(--acc);outline-offset:-6px}
.ex-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.ex-toolbar button.primary{background:var(--acc);color:var(--acc-fg)}
.ex-toolbar button.sec{background:transparent;color:var(--fg);border:1px solid var(--line)}
.ex-toolbar button.sec:hover:not(:disabled){background:color-mix(in srgb,var(--acc) 8%,transparent)}
.ex-notify{font-size:.88rem;color:var(--mut);margin-left:6px}
.ex-right{margin-left:auto}
.ex-search{width:220px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}
.vtoggle{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.vbtn{background:transparent;color:var(--mut);border:0;border-radius:0;padding:7px 12px;font-size:1rem}
.vbtn.on{background:color-mix(in srgb,var(--acc) 14%,transparent);color:var(--acc)}
.ex-drop{border:2px dashed var(--acc);border-radius:10px;padding:18px;text-align:center;margin-bottom:12px;color:var(--acc);background:color-mix(in srgb,var(--acc) 8%,transparent)}
.ex-queue{margin-bottom:6px}
.qrow{display:grid;grid-template-columns:1fr 140px;gap:4px 12px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem}
.qrow .qs{grid-column:1/-1}
.ex-body{display:grid;grid-template-columns:minmax(200px,260px) minmax(0,1fr);gap:16px;align-items:start}
.ex-tree{border-right:1px solid var(--line);padding-right:10px;min-height:160px;max-height:62vh;overflow:auto;font-size:.92rem}
.tn{display:flex;align-items:center;gap:4px;padding:5px 6px;border-radius:7px;cursor:pointer;white-space:nowrap}
.tn:hover{background:color-mix(in srgb,var(--acc) 7%,transparent)}
.tn.on{background:color-mix(in srgb,var(--acc) 15%,transparent);font-weight:600}
.tn .tname{overflow:hidden;text-overflow:ellipsis}
.tchev{width:14px;text-align:center;color:var(--mut);flex:0 0 auto;font-size:.8rem}
.tpad{flex:0 0 auto}
.t0{width:0}.t1{width:14px}.t2{width:28px}.t3{width:42px}.t4{width:56px}.t5{width:70px}.t6{width:84px}.t7{width:98px}.t8{width:112px}
.fsvg{width:20px;height:20px;flex:0 0 auto}.fsvg path{fill:#f2b53a}
.ex-main{min-width:0}
.ex-main .crumbs{margin-bottom:8px;font-size:1rem}
.ex-empty{text-align:center;color:var(--mut);padding:36px 12px}
.ex-list table{width:100%}
.ex-list th.sortable{cursor:pointer;user-select:none}
.ex-list th.sorted{color:var(--fg)}
.ex-list td,.ex-list th{padding:9px 8px}
.c-sel{width:34px}.c-act{width:36px;text-align:right}
.ex-list tbody tr{cursor:default}
.ex-list tbody tr:hover{background:color-mix(in srgb,var(--acc) 5%,transparent)}
.ex-list tr.selrow,.ex-list .card-i.selrow{background:color-mix(in srgb,var(--ok) 14%,transparent)}
.ex-list tr.frow{cursor:pointer}
.ex-list tr[draggable=true],.card-i[draggable=true]{cursor:grab}
.ex-list tr.dragging,.card-i.dragging{opacity:.45}
.fname{display:flex;gap:10px;align-items:center}
.fn{font-weight:600}
.small{font-size:.78rem}
.src{color:var(--mut);font-size:.85rem}
.kebab{background:transparent;border:0;color:var(--mut);padding:2px 8px;font-size:1.2rem;border-radius:6px}
.kebab:hover{background:color-mix(in srgb,var(--acc) 12%,transparent);color:var(--fg)}
.ft{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:7px;color:#fff;font-size:.6rem;font-weight:800;letter-spacing:.02em;flex:0 0 auto}
.ft-pdf{background:#e5484d}.ft-doc{background:#3e7bf6}.ft-xls{background:#2fa66a}.ft-ppt{background:#f08a24}
.ft-img{background:#17a2a8}.ft-zip{background:#c9951c}.ft-cad{background:#8b5cf6}.ft-txt{background:#7b8794}.ft-lox{background:#1d6a73}.ft-gen{background:#98a2b3}
.ex-list.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.card-i{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;border:1px solid var(--line);border-radius:10px;cursor:pointer;text-align:center}
.card-i:hover{background:color-mix(in srgb,var(--acc) 6%,transparent)}
.card-i .fsvg{width:44px;height:44px}.card-i .ft{width:44px;height:44px;font-size:.75rem}
.gn{font-size:.88rem;word-break:break-word;font-weight:600}.gs{font-size:.78rem;color:var(--mut)}
.drop-over{background:color-mix(in srgb,var(--acc) 22%,transparent) !important;outline:2px solid var(--acc);outline-offset:-2px;border-radius:6px}
.ex-menu{position:absolute;z-index:50;min-width:170px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:6px;box-shadow:0 8px 28px rgba(0,0,0,.35);display:flex;flex-direction:column}
.ex-menu .mi{background:transparent;color:var(--fg);border:0;text-align:left;padding:8px 12px;border-radius:7px;font-weight:500}
.ex-menu .mi:hover{background:color-mix(in srgb,var(--acc) 12%,transparent)}
.ex-menu .mi.danger{color:var(--bad)}
@media (max-width:820px){.ex-body{grid-template-columns:1fr}.ex-tree{border-right:0;border-bottom:1px solid var(--line);padding:0 0 8px;max-height:200px}.ex-search{width:100%}.ex-right{width:100%}}
.ex-list.grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.c-act{width:auto;white-space:nowrap}
.act{justify-content:flex-end;flex-wrap:nowrap;gap:4px}
.dl{background:var(--acc);color:var(--acc-fg);border:0;border-radius:8px;padding:5px 12px;font-size:.85rem;font-weight:600;cursor:pointer;white-space:nowrap}
.dl:hover{filter:brightness(1.1)}
.who-box{justify-content:flex-end;gap:12px}
.who{color:var(--mut);font-size:.92rem;word-break:break-all;text-align:right}
@media (max-width:640px){header.top{flex-wrap:wrap;gap:8px}.who-box{width:100%;justify-content:space-between}}
.card-i{position:relative}
.gk{position:absolute;top:6px;right:6px;padding:0 8px;line-height:1.4}