:root{
  --navy:#012456; --navy-2:#0a3170; --navy-line:#21497f; --console:#000b1f;
  --paper:#EEF1F5; --panel:#ffffff; --ink:#1B2330; --slate:#5B6B82; --line:#d5dbe4;
  --prompt:#F2C94C; --ok:#2E9E6A; --warn:#b7791f; --danger:#b3261e;
  --sans:"Instrument Sans",system-ui,sans-serif; --mono:"Cascadia Code",Consolas,monospace;
}
*{box-sizing:border-box}
[x-cloak]{display:none!important}
html,body{height:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:15px;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--prompt);outline-offset:2px}
a{color:var(--navy)}
code,.mono{font-family:var(--mono)}

.btn{border:0;border-radius:6px;padding:8px 14px;cursor:pointer;font-weight:600;white-space:nowrap;text-decoration:none;display:inline-block}
.btn:disabled{opacity:.5;cursor:default}
.btn-primary{background:var(--prompt);color:var(--navy)}
.btn-ok{background:var(--ok);color:#fff}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover:not(:disabled){border-color:var(--slate)}
.btn-danger{background:transparent;border:1px solid #e4b5b1;color:var(--danger)}
.btn-sm{padding:5px 10px;font-size:13px}
.linkbtn{background:none;border:0;padding:0;color:var(--navy);text-decoration:underline;cursor:pointer;font-size:13px}
.err{color:var(--danger);font-size:14px;margin:10px 0 0}

/* Login */
.login{min-height:100vh;display:grid;place-items:center;background:var(--navy);color:#fff;padding:16px}
.login form{width:min(380px,100%)}
.login h1{font-family:var(--mono);font-weight:400;font-size:28px;margin:0 0 4px}
.login h1 span,.brand span{color:var(--prompt)}
.login p{color:#a9bad3;margin:0 0 28px}
.login label{display:block;font-size:13px;color:#a9bad3;margin:14px 0 6px}
.login input{width:100%;padding:11px 12px;border-radius:6px;border:1px solid var(--navy-line);background:var(--navy-2);color:#fff}
.login .btn-primary{width:100%;margin-top:22px;padding:12px}
.login .err{color:#ffb4ab}

/* Kopfzeile */
.top{height:52px;display:flex;align-items:center;gap:16px;padding:0 16px;background:var(--navy);color:#fff}
.brand{font-family:var(--mono);font-size:17px;white-space:nowrap}
.top nav{display:flex;gap:4px;margin-left:12px}
.top nav button{background:none;border:0;color:#a9bad3;padding:6px 10px;border-radius:6px;font-size:14px;cursor:pointer;display:flex;gap:6px;align-items:center}
.top nav button.cur{color:#fff;background:var(--navy-2)}
.top nav .count{background:var(--prompt);color:var(--navy);border-radius:10px;font-size:12px;font-weight:700;padding:0 7px;line-height:18px}
.who{margin-left:auto;font-size:14px;color:#a9bad3;display:flex;gap:12px;align-items:center;white-space:nowrap}
.who b{color:#fff;font-weight:600}
.who button{background:none;border:0;color:#a9bad3;text-decoration:underline;cursor:pointer;font-size:14px;padding:0}

/* Sitzungen */
.shell{display:grid;grid-template-columns:330px minmax(0,1fr);height:calc(100vh - 52px)}
.side{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.side-head{padding:14px 14px 4px}
.side-head h2{font-size:15px;margin:0}
.side-head p{font-size:13px;color:var(--slate);margin:2px 0 0}
.sessions{list-style:none;margin:0;padding:8px;overflow:auto;flex:1}
.sess{border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-bottom:8px;cursor:pointer;background:#fff}
.sess:hover{border-color:var(--slate)}
.sess.cur{border-color:var(--navy);box-shadow:inset 3px 0 0 var(--navy)}
.sess .row1{display:flex;align-items:center;gap:8px}
.sess .pc{font-family:var(--mono);font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
.sess .meta{font-size:13px;color:var(--slate);margin-top:2px;overflow-wrap:anywhere}
.sess .code{font-family:var(--mono);font-size:13px;background:var(--paper);border-radius:4px;padding:1px 6px;color:var(--ink)}
.sess .acts{display:flex;gap:6px;margin-top:8px}
.badge{font-size:12px;padding:1px 8px;border-radius:10px;white-space:nowrap;background:var(--paper);color:var(--slate)}
.badge.wait{background:#fff4d6;color:#7a5200}
.badge.live{background:#ddf3e8;color:#1d6b47}
.badge.run{background:var(--navy);color:var(--prompt)}
.badge.off{background:#f6dedc;color:var(--danger)}
.side .empty{color:var(--slate);font-size:14px;padding:6px 14px}
.side-foot{border-top:1px solid var(--line);padding:12px 14px;font-size:13px;color:var(--slate)}

.main{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--console)}
.sess-bar .tabs{display:flex;gap:2px;background:var(--paper);border-radius:7px;padding:3px}
.sess-bar .tabs button{border:0;background:none;padding:6px 14px;border-radius:5px;cursor:pointer;font-size:14px;color:var(--slate);font-weight:600}
.sess-bar .tabs button.on{background:#fff;color:var(--navy);box-shadow:0 1px 2px rgba(1,20,50,.12)}
.pane{flex:1;min-height:0;display:flex;flex-direction:column}
/* Geräte-Übersicht */
.sysinfo{display:flex;flex-wrap:wrap;gap:4px 22px;padding:9px 16px;background:#06152e;color:#cfe0f5;border-bottom:1px solid var(--navy-line);font-size:13px}
.sysinfo.loading{color:#7f93b0}
.sysinfo .k{color:#7f93b0;margin-right:6px}
.sysinfo .drives{flex-basis:100%;display:flex;gap:6px;flex-wrap:wrap}
.sysinfo .drive{background:#0a3170;border-radius:4px;padding:1px 8px;white-space:nowrap}
/* Datei-Browser */
.files{background:#fff;color:var(--ink)}
.fbar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.fbar .fpath{flex:1;min-width:120px;font-size:13px;color:var(--slate);overflow-wrap:anywhere}
.fbar label.btn.disabled{opacity:.5;cursor:default}
.flist{flex:1;min-height:0;overflow:auto}
.flist table{width:100%;border-collapse:collapse}
.flist th{position:sticky;top:0;background:#fff;text-align:left;font-size:12px;color:var(--slate);padding:8px 14px;border-bottom:1px solid var(--line)}
.flist td{padding:7px 14px;border-bottom:1px solid var(--paper);font-size:14px;white-space:nowrap}
.flist tr.dir .fname{cursor:pointer;font-weight:600}
.flist .fname{display:flex;align-items:center;gap:8px;overflow-wrap:anywhere;white-space:normal}
.flist .fname .ic{width:18px}
.flist .facts2{text-align:right;display:flex;gap:12px;justify-content:flex-end}
.flist .linkbtn.danger{color:var(--danger)}
.flist .empty{padding:16px;color:var(--slate);font-size:14px}
.pagehead{display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap}
.pagehead h1{margin:0}
.sess-bar{display:flex;align-items:center;gap:14px;padding:10px 16px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}
.sess-bar .title{font-family:var(--mono);font-size:16px;font-weight:600}
.sess-bar .facts{display:flex;gap:14px;font-size:13px;color:var(--slate);flex-wrap:wrap;flex:1}
.sess-bar .facts b{color:var(--ink);font-weight:600}
.term{flex:1;min-height:0;margin:0;overflow:auto;padding:16px 18px;color:#d8e6f5;background:var(--console);font:14px/1.5 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere}
.term .p{color:var(--prompt)}
.term .n{color:#7f93b0}
.inbar{display:flex;gap:10px;align-items:flex-start;padding:10px 16px 12px;background:var(--navy);border-top:1px solid var(--navy-line)}
.inbar .ps{font-family:var(--mono);color:var(--prompt);padding-top:8px;white-space:nowrap}
.inbar textarea{flex:1;min-width:0;resize:vertical;min-height:40px;max-height:40vh;padding:8px 10px;border-radius:6px;border:1px solid var(--navy-line);background:var(--console);color:#e8eef7;font:14px/1.45 var(--mono)}
.inbar textarea:disabled{opacity:.6}
.inbar .btns{display:flex;flex-direction:column;gap:6px}
.inbar .btn-ghost{color:#e8eef7;border-color:var(--navy-line)}
.hintbar{display:flex;justify-content:space-between;gap:12px;padding:0 16px 8px;background:var(--navy);color:#7f93b0;font-size:12px;flex-wrap:wrap}
.hintbar .st{color:#a9bad3}
.placeholder{flex:1;display:grid;place-items:center;color:#a9bad3;text-align:center;padding:24px}
.placeholder div{max-width:46ch}
.placeholder h2{color:#fff;font-weight:600;font-size:18px;margin:0 0 8px}
.placeholder code{color:var(--prompt)}

/* Seiten (Schlüssel, Verlauf, Benutzer) */
.page{max-width:1080px;margin:0 auto;padding:28px 16px;overflow:auto;height:calc(100vh - 52px)}
.page h1{font-size:24px;margin:0 0 4px}
.page>p{color:var(--slate);margin:0 0 22px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px}
.formgrid{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:10px;padding:16px;align-items:end;margin-bottom:22px}
.formgrid label{font-size:13px;color:var(--slate);display:block}
.formgrid input[type=text],.formgrid input[type=password],.formgrid select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;margin-top:4px;background:#fff}
.formgrid .chk{display:flex;gap:6px;align-items:center;color:var(--ink);font-size:14px;grid-column:1/-1}
.formgrid .err{grid-column:1/-1;margin:0}
.newuser{grid-template-columns:1fr 1fr auto auto}
.newuser .chk{grid-column:auto;padding-bottom:9px}
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--paper);font-size:14px;white-space:nowrap}
th{color:var(--slate);font-weight:600;font-size:13px}
td.acts{text-align:right}
td.acts>div{display:flex;gap:6px;justify-content:flex-end}
tr.click{cursor:pointer}
tr.click:hover td{background:#f8f9fb}
tr.dim td{color:var(--slate)}
.tag{font-size:12px;padding:2px 8px;border-radius:10px;background:var(--paper)}
.tag.admin{background:var(--navy);color:#fff}
.tag.ok{background:#ddf3e8;color:#1d6b47}
.tag.bad{background:#f6dedc;color:var(--danger)}
input[type=checkbox]{accent-color:var(--navy);width:16px;height:16px}
.cmds{list-style:none;margin:0;padding:0}
.cmds li{padding:10px 16px;border-bottom:1px solid var(--paper);font-size:14px}
.cmds pre{margin:0 0 2px;font:13px/1.45 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink)}
.cmds small{color:var(--slate)}
.back{margin-bottom:14px}

/* Dialoge & Toast */
.overlay{position:fixed;inset:0;background:rgba(1,20,50,.55);display:grid;place-items:center;z-index:20;padding:16px}
.dialog{background:#fff;border-radius:10px;width:min(420px,100%);padding:20px;max-height:calc(100vh - 32px);overflow:auto}
.dialog.wide{width:min(720px,100%)}
.dialog h2{margin:0 0 6px;font-size:18px}
.dialog p{margin:0 0 14px;color:var(--slate);font-size:14px}
.dialog label{display:block;font-size:13px;color:var(--slate);margin:10px 0 4px}
.dialog input{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px}
.dialog .row{display:flex;justify-content:flex-end;gap:8px;margin-top:18px;flex-wrap:wrap}
.copybox{display:flex;gap:8px;align-items:stretch;margin-bottom:12px}
.copybox code{flex:1;min-width:0;background:var(--console);color:#e8eef7;border-radius:6px;padding:9px 11px;font-size:13px;overflow-wrap:anywhere;white-space:pre-wrap}
.copybox code b{color:var(--prompt);font-weight:400}
.copybox .btn{display:flex;align-items:center}
.warnbox{background:#fff4d6;color:#5c3e00;border-radius:6px;padding:9px 12px;font-size:13px;margin:0 0 14px}
.toast{position:fixed;left:50%;bottom:76px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;font-size:14px;z-index:30;max-width:calc(100% - 32px)}
.toast.bad{background:var(--danger)}

@media (max-width:900px){.shell{grid-template-columns:1fr;height:auto}.side{max-height:40vh}.main{height:75vh}.formgrid,.newuser{grid-template-columns:1fr}}
@media (max-width:680px){.top{height:auto;flex-wrap:wrap;gap:4px 8px;padding:8px 12px}.top nav{order:3;width:100%;margin-left:0;overflow-x:auto}.top nav button{padding:6px 8px;white-space:nowrap}.who b,.who .lbl,.who .pw{display:none}.brand{font-size:15px}.page{height:auto}.main{height:80vh}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}