/* ===== DOKUHELPER – Light UI ===== */
:root{
  --bg:#f7f9fb;
  --surface:#ffffff;
  --surface-2:#f9fafb;
  --text:#0f172a;
  --muted:#475569;
  --border:#e5e7eb;
  --shadow:0 8px 30px rgba(15, 23, 42, .06);

  --accent:#2563eb;
  --accent-50:#eff6ff;
  --accent-100:#dbeafe;
  --accent-600:#2563eb;
  --accent-700:#1d4ed8;

  --ok:#16a34a;
  --warn:#d97706;

  --radius:14px;
  --radius-sm:10px;
  --gap:16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font:15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Header */
header{
  position:sticky; top:0; z-index:10;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(120%) blur(8px);
  border-bottom:1px solid var(--border);
  padding:18px 20px;
}
header h1{
  font-size:20px; font-weight:800; letter-spacing:.2px;
  margin:0 0 6px;
}
header .chip{
  display:inline-block; margin-left:8px;
  padding:4px 10px; border:1px solid var(--border); border-radius:999px;
  font-size:12px; color:var(--muted); background:var(--surface-2);
}
header .sub{color:var(--muted); font-size:13px}

/* Layout: immer gestapelt, zentriert */
main{
  display:grid;
  grid-template-columns: 1fr;
  gap:20px;
  padding:20px;
  align-items:start;
  max-width: 960px;
  margin: 0 auto;
}

/* Karten */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
}

/* Segmente */
.segment{ margin-bottom:22px }
.segment h2{
  font-size:18px;
  margin:0 0 14px;
  padding-bottom:6px;
  border-bottom:2px solid var(--border);
  color:var(--accent);
  font-weight:800;
}

/* Bereiche */
.section{margin-bottom:18px}
.section h3{
  margin:0 0 10px; font-size:14px; letter-spacing:.3px;
  color:#0b1220; font-weight:700;
}

/* Grid-Helfer */
.row{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.two{display:grid; grid-template-columns:1fr 1fr; gap:10px}
.three{display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px}
.four{display:grid; grid-template-columns:repeat(4,1fr); gap:10px}
@media (max-width:720px){
  .two,.three,.four{grid-template-columns:1fr}
}

/* Formularelemente */
label{font-size:12px; color:var(--muted); display:block; margin-bottom:6px}
input[type="text"], select, textarea{
  width:100%;
  background:#fff;
  border:1px solid var(--border);
  color:var(--text);
  border-radius:var(--radius-sm);
  padding:10px 12px;
  outline:none;
  transition:border-color .15s ease, box-shadow .15s ease, background .15s;
}
input::placeholder, textarea::placeholder{color:#94a3b8}
input:focus, select:focus, textarea:focus{
  border-color:var(--accent-600);
  box-shadow:0 0 0 3px var(--accent-100);
  background:#fff;
}
select{
  appearance:none; background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%),
    linear-gradient(to right, transparent, transparent);
  background-position: calc(100% - 18px) calc(1em + 2px), calc(100% - 13px) calc(1em + 2px), 100% 0;
  background-size: 6px 6px, 6px 6px, 2.5em 2.5em;
  background-repeat: no-repeat;
  padding-right:38px;
}
textarea{
  min-height:260px; resize:vertical;
  font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background:#fff;
}

/* Combo-Select – Freitext neben Select */
.custom-input{
  margin-left:8px;
  width: clamp(180px, 40%, 320px);
  background:#fff;
  border:1px solid var(--border);
  color:var(--text);
  border-radius: var(--radius-sm);
  padding:10px 12px;
  outline:none;
  transition:border-color .15s ease, box-shadow .15s ease, background .15s;
}
.custom-input:focus{
  border-color: var(--accent-600);
  box-shadow: 0 0 0 3px var(--accent-100);
}

/* Buttons */
.btn{
  border:1px solid var(--border);
  background:#fff; color:var(--text);
  padding:10px 14px; border-radius:12px; cursor:pointer; font-weight:700;
  transition: all .15s ease;
}
.btn:hover{border-color:#cbd5e1; transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.primary{ background:var(--accent-600); color:#fff; border-color:transparent; }
.btn.primary:hover{ background:var(--accent-700) }
.btn.accent{ background:var(--accent-50); color:var(--accent-700); border-color:var(--accent-100); }
.btn.good{ border-color:#ccebd6; color:var(--ok); background:#f2fbf5 }
.btn.warn{ border-color:#fde68a; color:var(--warn); background:#fff7ed }

/* Kleinkram */
.small{font-size:12px; color:var(--muted)}
.cols-60{max-width:68ch}
.spacer{flex:1}

/* Maßnahmenzeile */
.measure-row{
  padding:12px; border:1px dashed #dbe3ee; border-radius:12px;
  margin-bottom:10px; background:var(--surface-2)
}
.measure-row .row{align-items:flex-start}

/* Footer */
footer{padding:0 20px 20px; color:var(--muted); font-size:12px}

/* Tastatur-Fokus sichtbar */
:focus-visible{
  outline:none; box-shadow:0 0 0 3px var(--accent-100), 0 0 0 5px var(--accent-600) !important;
  border-color:var(--accent-600) !important;
}

/* Druck – nur die Vorschau ausgeben */
@media print{
  header, .segment, .row .btn, footer { display:none !important; }
  body{ background:#fff }
  .card{ box-shadow:none; border:none; padding:0 }
  textarea#preview{
    min-height:auto; border:none; padding:0; background:#fff; color:#000;
  }
}