:root{
  --bg:#0b1020;
  --card:#121a2b;
  --panel:#0f1627;
  --text:#e8ecf3;
  --muted:#a9b2c3;
  --primary:#4ea1ff;
  --ring:rgba(78,161,255,.35);
  --line:color-mix(in srgb, var(--card), #fff 8%);
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f6f8fb;
    --card:#ffffff;
    --panel:#f3f5f9;
    --text:#101624;
    --muted:#5a6473;
    --primary:#2563eb;
    --ring:rgba(37,99,235,.25);
    --line:color-mix(in srgb, var(--card), #000 12%);
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(1500px 900px at 80% -10%, rgba(78,161,255,.12), transparent 60%),
    radial-gradient(800px 400px at -10% 110%, rgba(78,161,255,.1), transparent 60%),
    var(--bg);
  color:var(--text);
  font:15.5px/1.6 system-ui,-apple-system,Segoe UI,Roboto,"Noto Sans",Arial;
}

.shell{
  display:grid;
  grid-template-columns:220px 1fr;
  grid-template-rows:64px 1fr;
  height:100vh;
}

.topbar{
  grid-column:1/3;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 16px;
  background:var(--card);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:10;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:.3px;
}
.brand img{width:34px;height:34px;object-fit:contain}
.top-actions{margin-left:auto;display:flex;gap:10px}

.sidebar{
  background:var(--card);
  border-right:1px solid var(--line);
  padding:10px;
  overflow:auto;
}

.nav{
  display:grid;
  gap:6px;
}
.nav a{
  padding:9px 11px;
  border-radius:10px;
  display:flex;
  font-size:.93rem;
  text-decoration:none;
}
.nav a.active,.nav a:hover{
  background:var(--panel);
  border:1px solid var(--line);
}

.sidebar-box{
  margin-top:12px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
}

.content{
  padding:16px;
  overflow:auto;
}

.btn{
  border:1px solid var(--line);
  background:color-mix(in srgb,var(--card),#000 4%);
  color:var(--text);
  padding:8px 12px;
  border-radius:12px;
  cursor:pointer;
  transition:.15s;
}
.btn:hover{box-shadow:0 0 0 2px var(--ring)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.danger{background:#dc2626;border-color:#dc2626;color:#fff}

.field{display:grid;gap:4px;font-size:.9rem}
.field label{font-size:.82rem;color:var(--muted)}
input[type="text"],input[type="datetime-local"],select,textarea{
  padding:7px 8px;
  border-radius:9px;
  border:1px solid var(--line);
  background:var(--panel);
  font:inherit;
  color:inherit;
}
textarea{min-height:90px;resize:vertical}

.stats-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-bottom:14px;
}
.stat-box{
  background:var(--card);
  border-radius:14px;
  padding:12px;
  border:1px solid var(--line);
}
.stat-label{color:var(--muted);font-size:.8rem}
.stat-value{font-size:1.6rem;font-weight:800;margin-top:6px}

.board{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  align-items:start;
}

.col{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.col-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 12px;
  background:color-mix(in srgb,var(--card),#000 6%);
  border-bottom:1px solid var(--line);
  font-weight:700;
}
.col-count{
  font-size:.85rem;
  color:var(--muted);
  padding:2px 8px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel);
}
.drop{
  padding:10px;
  min-height:260px;
}
.drop.dragover{outline:2px dashed var(--primary);outline-offset:6px;border-radius:12px}

.task-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px;
  margin-bottom:10px;
  cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease;
}
.task-card:hover{transform:translateY(-1px);box-shadow:0 0 0 2px var(--ring)}
.t-title{font-weight:800;margin-bottom:6px}
.t-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.chip{
  padding:3px 8px;
  border-radius:999px;
  border:1px solid var(--line);
  background:color-mix(in srgb,var(--panel),#fff 4%);
  font-size:.78rem;
  color:var(--muted);
}
.badge{
  padding:3px 8px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:700;
  border:1px solid var(--line);
  background:var(--card);
}
.p-niedrig{background:#d1fae5;color:#065f46;border-color:#10b98133}
.p-mittel{background:#fef3c7;color:#92400e;border-color:#f59e0b33}
.p-hoch{background:#fee2e2;color:#991b1b;border-color:#ef444433}
.p-kritisch{background:#dc2626;color:#fff;border-color:#dc2626}

/* Modal */
.modal{
  position:fixed; inset:0;
  background:rgba(0,0,0,.45);
  display:none;
  align-items:stretch;
  justify-content:flex-end;
  z-index:50;
}
.modal.open{display:flex}
.dialog{
  background:var(--card);
  border-left:1px solid var(--line);
  width:min(680px, 96vw);
  padding:14px;
  overflow:auto;
}
.rightpanel{height:100%}
.dialog-head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
  border-bottom:1px solid var(--line);
  padding-bottom:10px;
  margin-bottom:10px;
}
.ticket-no{color:var(--primary);font-weight:800;font-size:.95rem}
.icon-btn{
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  border-radius:10px;
  padding:6px 10px;
  cursor:pointer;
}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.section{margin-top:12px}
.section h4{margin:6px 0 10px}
.actions{
  margin-top:14px;
  display:flex;
  justify-content:flex-end;
  gap:8px;
}

.comment-list{
  display:grid;
  gap:8px;
  max-height:180px;
  overflow:auto;
  padding-right:4px;
}
.comment-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  padding:8px 10px;
}
.comment-meta{color:var(--muted);font-size:.78rem;margin-bottom:4px}

@media (max-width: 1000px){
  .board{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 720px){
  .shell{grid-template-columns:1fr;grid-template-rows:64px auto 1fr}
  .topbar{grid-column:1/2}
  .sidebar{grid-row:2}
  .board{grid-template-columns:1fr}
}
.table th, .table td{
  padding:10px;
  border-bottom:1px solid var(--line);
  text-align:left;
  white-space:nowrap;
}
.table tbody tr:hover{
  background:var(--panel);
  cursor:pointer;
}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
@media(max-width:1100px){.grid-3{grid-template-columns:1fr;}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;}

.reply-tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab-btn{
  border:1px solid #e5e7eb;background:#fff;padding:8px 12px;border-radius:10px;
  cursor:pointer;font-weight:600
}
.tab-btn.active{background:#111827;color:#fff;border-color:#111827}
.reply-panel{display:none}
.reply-panel.active{display:block}

/* Conversation (Zoho-like) */
.conv { display:flex; flex-direction:column; gap:10px; }
.msg {
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 10px 12px;
  background: #fff;
  max-width: 100%;
}
.msg-row { display:flex; gap:10px; align-items:flex-start; }
.msg.left { align-self:flex-start; background:#f9fafb; }
.msg.right { align-self:flex-end; background:#eef2ff; border-color:#c7d2fe; }
.msg.internal { align-self:flex-start; background:#fff7ed; border-color:#fed7aa; }

.msg-head { display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:6px; }
.msg-meta { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.msg-author { font-weight:700; }
.msg-time { font-size:.85rem; color:#6b7280; }

.msg-tags { display:flex; gap:6px; align-items:center; flex-wrap:wrap; }
.pill {
  font-size:.78rem;
  padding: 3px 8px;
  border-radius: 999px;
  border:1px solid #e5e7eb;
  background:#fff;
  color:#111827;
}
.pill.mail { border-color:#c7d2fe; background:#eef2ff; }
.pill.internal { border-color:#fed7aa; background:#fff7ed; }

.msg-body { white-space:pre-wrap; line-height:1.35; }
.msg-actions { margin-top:8px; display:flex; gap:8px; justify-content:flex-end; }
.msg-actions .btn { padding:6px 10px; border-radius:10px; }