:root{
  --bg:#f1f5f9; --panel:#ffffff; --ink:#0f172a; --muted:#64748b;
  --line:#e2e8f0; --brand:#2563eb; --brand-ink:#1d4ed8; --danger:#dc2626;
  --radius:12px; --shadow:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.04);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand-ink);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:22px;margin:0}
h2{font-size:16px;margin:0 0 12px}
h3{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:22px 0 8px}

/* Shell */
.shell{display:flex;min-height:100vh}
.sidebar{width:220px;flex:0 0 220px;background:#0f172a;color:#cbd5e1;padding:20px 14px;display:flex;flex-direction:column;gap:6px}
.sidebar .brand{color:#fff;font-weight:700;font-size:18px;padding:6px 10px 18px}
.sidebar .brand span{color:#60a5fa}
.sidebar nav{display:flex;flex-direction:column;gap:2px}
.sidebar nav a{color:#cbd5e1;padding:9px 12px;border-radius:8px}
.sidebar nav a:hover{background:#1e293b;text-decoration:none}
.sidebar nav a.on{background:var(--brand);color:#fff}
.nav-badge{display:inline-block;margin-left:7px;background:#ef4444;color:#fff;border-radius:999px;font-size:11px;font-weight:700;padding:1px 7px;vertical-align:1px}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:6px}
.side-foot>a{color:#cbd5e1;padding:9px 12px;border-radius:8px}
.side-foot>a:hover{background:#1e293b;text-decoration:none}
.side-foot>a.on{background:var(--brand);color:#fff}
.sidebar .logout button{width:100%;background:transparent;border:1px solid #334155;color:#cbd5e1;padding:8px;border-radius:8px;cursor:pointer}
.sidebar .logout button:hover{background:#1e293b}
.content{flex:1;padding:26px 30px;max-width:1100px;width:100%;margin:0 auto}

/* Page head */
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-head .actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.page-head .actions form{margin:0}
.crumb{font-size:13px;margin-bottom:4px}
.muted{color:var(--muted)}

/* Buttons */
.btn{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--ink);padding:8px 14px;border-radius:9px;cursor:pointer;font-size:14px;line-height:1.2}
.btn:hover{background:#f8fafc;text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-ink)}
.btn.danger{color:var(--danger);border-color:#fecaca}
.btn.danger:hover{background:#fef2f2}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card .num{font-size:24px;font-weight:700}
.card .lbl{color:var(--muted);font-size:13px;margin-top:2px}

/* Status strip */
.status-strip{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.pill{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;color:var(--ink);font-size:13px}
.pill:hover{text-decoration:none;border-color:var(--c)}
.pill.on{border-color:var(--c);box-shadow:inset 0 0 0 1px var(--c)}
.pill .dot{width:9px;height:9px;border-radius:50%;background:var(--c)}
.pill b{color:var(--muted);font-weight:600}

/* Panels + tables */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:18px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.panel-head h2{margin:0}
.cols{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;align-items:start}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr{cursor:pointer}
tbody tr:hover{background:#f8fafc}
tbody tr:last-child td{border-bottom:none}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--c);background:color-mix(in srgb,var(--c) 12%,#fff);border:1px solid color-mix(in srgb,var(--c) 30%,#fff)}
.empty{color:var(--muted);padding:8px 2px}

/* Key/value */
.kv{display:grid;grid-template-columns:120px 1fr;gap:8px 12px;margin:0}
.kv dt{color:var(--muted);font-size:13px}
.kv dd{margin:0}
.prewrap{white-space:pre-wrap}

/* Forms */
.form label,.form .grid2 label{display:block;margin-bottom:14px;font-size:13px;color:var(--muted)}
.form input,.form select,.form textarea,.search input,.note-form textarea,.status-set select{
  width:100%;margin-top:5px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;color:var(--ink);background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid color-mix(in srgb,var(--brand) 35%,#fff);border-color:var(--brand)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:6px}
.search{margin:0}.search input{margin:0;width:220px}

/* Notes */
.note-form{margin-bottom:14px}
.note-form textarea{margin-bottom:8px}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{padding:11px 0;border-bottom:1px solid var(--line)}
.timeline li:last-child{border-bottom:none}
.timeline time{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.status-set{display:flex;gap:8px;align-items:center}
.status-set select{width:auto;flex:1}

/* KI */
.ai-quick textarea{width:100%;margin-top:6px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;resize:vertical}
.ai-quick label{display:block;font-size:13px;color:var(--muted)}
.ai-quick .form-actions{display:flex;justify-content:flex-end;margin-top:10px}
.result-list{list-style:none;margin:0 0 10px;padding:0}
.result-list li{padding:7px 0;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center}
.result-list li:last-child{border-bottom:none}
.tag{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;color:var(--brand-ink);background:#eff6ff;border:1px solid #bfdbfe;border-radius:6px;padding:2px 7px}
h4{margin:16px 0 6px;font-size:13px}

/* Flash + small buttons + checkboxes */
.flash{background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a;padding:10px 14px;border-radius:9px;margin:0 0 18px}
.btn.small{padding:5px 10px;font-size:13px}
.row-actions{display:flex;gap:6px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.row-actions form{margin:0}
.check{display:flex !important;align-items:center;gap:9px;color:var(--ink) !important;margin-bottom:12px}
.check input{width:auto !important;margin:0 !important}

/* Proposals (Posteingang) */
.proposal{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px;background:#fafbfc}
.proposal-head{display:flex;justify-content:space-between;gap:10px}
.proposal-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.pcard{background:#fff;border:1px solid var(--line);border-radius:9px;padding:12px}
.pcard h4{margin:0 0 6px}
.proposal-actions{display:flex;gap:8px;margin-top:4px}
.proposal-actions form{margin:0}
@media (max-width:680px){.proposal-grid{grid-template-columns:1fr}}

/* @-Mention + Chips (KI-Assistent) */
.mention-wrap{position:relative}
.mention-menu{position:absolute;left:0;right:0;top:100%;z-index:20;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px rgba(15,23,42,.14);max-height:260px;overflow:auto;margin-top:4px}
.mention-item{padding:9px 12px;cursor:pointer;font-size:14px;border-bottom:1px solid var(--line)}
.mention-item:last-child{border-bottom:none}
.mention-item:hover{background:#eff6ff}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 0}
.chip{display:inline-flex;align-items:center;gap:6px;background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a;border-radius:999px;padding:4px 6px 4px 11px;font-size:13px;font-weight:600}
.chip button{border:0;background:#bfdbfe;color:#1e3a8a;border-radius:50%;width:18px;height:18px;line-height:1;cursor:pointer;font-size:14px;padding:0}
.chip button:hover{background:#93c5fd}
.ai-summary{background:#f8fafc;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:8px;padding:12px 14px;margin:0 0 14px}

/* Mail-Thread */
.mail-toolbar{display:flex;gap:8px;align-items:center}
.mail-toolbar form{margin:0}
.mail-filter{display:flex;gap:8px;margin:4px 0 16px;flex-wrap:wrap}
.chip-link{font-size:13px;padding:5px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink)}
.chip-link:hover{text-decoration:none;border-color:#94a3b8}
.chip-link.on{background:var(--brand);border-color:var(--brand);color:#fff}
.thread{display:flex;flex-direction:column;gap:12px}
.msg{max-width:82%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}
.msg.in{align-self:flex-start;border-bottom-left-radius:3px}
.msg.out{align-self:flex-end;background:#eff6ff;border-color:#bfdbfe;border-bottom-right-radius:3px}
.msg-meta{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin-bottom:4px}
.msg-subject{font-weight:600;margin-bottom:6px}
.msg-body{font-size:14px;line-height:1.55;max-height:320px;overflow:auto}
.msg-atts{margin-top:8px;font-size:12px;color:var(--muted)}
.msg-actions{margin-top:9px;display:flex;gap:12px;font-size:13px}

/* Rich-Text-Editor */
.rt-toolbar{display:flex;gap:4px;flex-wrap:wrap;border:1px solid var(--line);border-bottom:none;border-radius:9px 9px 0 0;padding:6px;background:#f8fafc}
.rt-toolbar button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:4px 10px;cursor:pointer;font-size:13px}
.rt-toolbar button:hover{background:#eef2f7}
.rt-editor{border:1px solid var(--line);border-radius:0 0 9px 9px;min-height:220px;padding:12px 14px;background:#fff;font:inherit;line-height:1.55;overflow:auto}
.rt-editor:focus{outline:2px solid color-mix(in srgb,var(--brand) 35%,#fff)}
.rt-editor blockquote{border-left:2px solid #ccc;padding-left:10px;color:#555;margin:8px 0}

/* Chat */
.chat-panel{display:flex;flex-direction:column}
.chat-log{display:flex;flex-direction:column;gap:12px;max-height:55vh;overflow:auto;padding:4px 2px 12px}
.chat-msg{display:flex}
.chat-msg.user{justify-content:flex-end}
.chat-bubble{max-width:80%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.55}
.chat-msg.user .chat-bubble{background:var(--brand);color:#fff;border-bottom-right-radius:3px}
.chat-msg.assistant .chat-bubble{background:#f1f5f9;border:1px solid var(--line);border-bottom-left-radius:3px}
.chat-form{display:flex;gap:10px;align-items:flex-end;border-top:1px solid var(--line);padding-top:12px}
.chat-form textarea{flex:1;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;resize:vertical}
button:disabled{opacity:.6;cursor:not-allowed}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:#0f172a}
.login-card{background:#fff;padding:30px;border-radius:16px;width:100%;max-width:360px;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.login-card .brand{font-weight:700;font-size:22px;margin-bottom:20px}
.login-card .brand span{color:var(--brand)}
.login-card label{display:block;font-size:13px;color:var(--muted);margin-bottom:14px}
.login-card input{width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font:inherit}
.login-card button{width:100%;background:var(--brand);color:#fff;border:0;padding:11px;border-radius:9px;font:inherit;cursor:pointer;margin-top:4px}
.login-card button:hover{background:var(--brand-ink)}
.error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca;padding:9px 12px;border-radius:9px;font-size:14px;margin:0 0 16px}

@media (max-width:860px){
  .cols{grid-template-columns:1fr}
}
@media (max-width:680px){
  .shell{flex-direction:column}
  .sidebar{width:auto;flex:none;flex-direction:row;align-items:center;gap:10px;padding:12px;overflow-x:auto}
  .sidebar .brand{padding:0 8px 0 4px;font-size:16px}
  .sidebar nav{flex-direction:row}
  .sidebar .logout{margin-top:0}
  .sidebar .logout button{width:auto;padding:8px 12px}
  .content{padding:18px 16px}
  .grid2{grid-template-columns:1fr}
}