:root{
  --fg:#0f172a;
  --muted:#64748b;
  --bg:#f3f4f6;
  --sidebar:#f8fafc;
  --card:#ffffff;
  --border:#e5e7eb;

  --accent:#2563eb;         /* blue */
  --accent-weak:#e8f1ff;
  --success:#16a34a;
  --success-weak:#dcfce7;
  --danger:#dc2626;
  --danger-weak:#fee2e2;
  --warn:#f59e0b;
  --warn-weak:#fef3c7;
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--fg);background:var(--bg)}

a{color:inherit}
.small{font-size:12px;color:var(--muted)}
.note{font-size:12px;color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}

/* --- App shell --- */
.app{
  display:flex;
  min-height:100vh;
}

.sidebar{
  width:240px;
  background:var(--sidebar);
  border-right:1px solid var(--border);
  padding:16px 14px;
  position:sticky;
  top:0;
  height:100vh;
  overflow:auto;
}

.brand{
  font-weight:800;
  letter-spacing:.2px;
  font-size:18px;
  margin-bottom:2px;
}
.brand small{
  display:block;
  font-weight:600;
  font-size:11px;
  color:var(--muted);
  margin-top:2px;
}
.nav{
  margin-top:14px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav a{
  text-decoration:none;
  padding:8px 10px;
  border-radius:10px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.nav a:hover{background:#eef2ff;color:#1e3a8a}
.nav a.active{
  background:var(--accent-weak);
  color:#1e3a8a;
  font-weight:700;
}

/* --- Sidebar groups (Setup/Vorlagen) --- */
.nav details.nav-group{
  border-radius:12px;
}
.nav details.nav-group > summary{
  list-style:none;
  padding:8px 10px;
  border-radius:10px;
  color:var(--muted);
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:8px;
  user-select:none;
  font-weight:800;
}
.nav details.nav-group > summary::-webkit-details-marker{display:none}
.nav details.nav-group > summary::after{
  content:'▸';
  margin-left:auto;
  font-size:12px;
  opacity:.65;
  transition:transform .15s ease;
}
.nav details.nav-group[open] > summary::after{ transform: rotate(90deg); }

.nav details.nav-group > summary:hover{
  background:#eef2ff;
  color:#1e3a8a;
}

.nav details.nav-group.active > summary{
  background:var(--accent-weak);
  color:#1e3a8a;
}

.nav .nav-children{
  margin:4px 0 8px;
  padding-left:6px;
  display:flex;
  flex-direction:column;
  gap:4px;
}

.nav .nav-children a{
  padding:7px 10px;
  border-radius:10px;
}

.nav .nav-children a.sub{
  padding-left:24px;
  font-size:13px;
}

.nav .nav-subtitle{
  padding:6px 10px 4px;
  font-size:11px;
  color:var(--muted);
  text-transform:uppercase;
  letter-spacing:.08em;
}
.sidebar-footer{
  margin-top:24px;
  padding-top:12px;
  border-top:1px dashed var(--border);
  font-size:11px;
  color:var(--muted);
}

/* --- Main area --- */
.main{
  flex:1;
  display:flex;
  flex-direction:column;
  min-width:0;
}
.topbar{
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.topbar h1{
  font-size:18px;
  margin:0;
  font-weight:800;
}
.topbar .right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--muted);
}
.status-pill.ok{border-color:#bbf7d0;background:var(--success-weak);color:#065f46}
.status-pill.bad{border-color:#fecaca;background:var(--danger-weak);color:#7f1d1d}
.status-pill.warn{border-color:#fde68a;background:var(--warn-weak);color:#7c2d12}

.content{
  max-width:1400px;
  width:100%;
  margin:18px auto;
  padding:0 18px 80px;
}

/* --- Cards / grids --- */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:16px;
  box-shadow:0 1px 0 rgba(0,0,0,.02);
}
.card + .card{margin-top:14px}
.card h3{margin:0 0 10px 0;font-size:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.grid1{display:grid;grid-template-columns:1fr;gap:10px}
@media (max-width: 980px){
  .sidebar{position:relative;height:auto;width:210px}
  .grid2,.grid3{grid-template-columns:1fr}
}

/* --- Inputs --- */
label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
input,select,textarea{
  width:100%;
  padding:10px 10px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  outline:none;
}
textarea{min-height:140px}
input:focus,select:focus,textarea:focus{
  border-color:#93c5fd;
  box-shadow:0 0 0 3px rgba(59,130,246,.15);
}

/* --- Buttons --- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--fg);
  cursor:pointer;
  user-select:none;
  text-decoration:none;
  font-weight:600;
  font-size:12px;
}
.btn:hover{background:#f8fafc}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(.98)}
.btn.ghost{background:var(--accent-weak);border-color:transparent;color:#1e3a8a}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn:disabled{opacity:.55;cursor:not-allowed}

.toolbar{
  display:flex;
  gap:8px;
  align-items:center;
  flex-wrap:wrap;
}
.toolbar .right{margin-left:auto}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
  background:#fff;
  border:1px solid var(--border);
  color:var(--muted);
}

/* --- Tables --- */
.tableWrap{overflow:auto;border:1px solid var(--border);border-radius:14px}
table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  font-size:12px;
}
th,td{
  padding:10px 10px;
  border-bottom:1px solid var(--border);
  white-space:nowrap;
  vertical-align:middle;
}
thead th{
  background:#fafafa;
  position:sticky;
  top:0;
  z-index:1;
  font-size:11px;
  color:var(--muted);
}
tbody tr:hover{background:#fafafa}

/* --- Overlays (send progress etc) --- */
.overlay.hidden{display:none}
.overlay{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.35);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  z-index:1000;
}
.overlay .box{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px;
  width:min(720px, 96vw);
  box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.progress{
  height:10px;
  border-radius:999px;
  background:#e5e7eb;
  overflow:hidden;
  margin-top:10px;
}
.progress .bar{
  height:100%;
  width:0%;
  background:var(--accent);
  transition:width .2s ease;
}
.progress.indeterminate .bar{
  width:40%;
  animation:indet 1.2s infinite ease-in-out;
}
@keyframes indet{
  0%{transform:translateX(-120%)}
  100%{transform:translateX(260%)}
}

/* --- Template list --- */
.list{display:flex;flex-direction:column;gap:6px}
.list .item{
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--muted);
  cursor:pointer;
}
.list .item:hover{background:#f8fafc;color:var(--fg)}
.list .item.active{
  background:var(--accent-weak);
  border-color:#bfdbfe;
  color:#1e3a8a;
  font-weight:700;
}

/* Backward compatibility for old overlay markup */
.overlay-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px;width:min(720px, 96vw);box-shadow:0 10px 30px rgba(0,0,0,.18)}
.table-scroll{overflow:auto;border:1px solid var(--border);border-radius:14px}

/* Legacy header.sticky (used on install/login screens) */
header.sticky{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--border);padding:12px 16px}

.btn.brand{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.brand:hover{filter:brightness(.98)}


/* Highlight rows after payments import */
#tbody tr.row-flash td{ background: var(--success-weak); }