:root {
  --primary: #0a7d3c;
  --barmer: #78be20;
  --tk: #00a0e3;
  --andere: #8a8f98;
  --border: #d5d9dd;
  --bg: #f5f6f8;
  --text: #1c2530;
  --muted: #6b7580;
}

* { box-sizing: border-box; }

body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0 0 4rem;
}

header {
  background: var(--text);
  color: #fff;
  padding: 1.5rem 2rem;
}

header h1 { margin: 0 0 .25rem; font-size: 1.4rem; }
header p { margin: 0; color: #c4cbd2; font-size: .9rem; }

main {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

section.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
}

section.card h2 {
  margin-top: 0;
  font-size: 1.15rem;
  border-bottom: 2px solid var(--bg);
  padding-bottom: .6rem;
}

section.card h3 {
  font-size: 1rem;
  margin: 1.5rem 0 .5rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  margin-bottom: 1rem;
  font-size: .9rem;
}

.field span { font-weight: 600; color: #3a4552; }

input[type=text], input[type=date], input[type=time], input[type=tel], input[type=number], textarea, select {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .5rem .6rem;
  font-size: .95rem;
  font-family: inherit;
  width: 100%;
  background: #fff;
}

input.locked {
  background: var(--bg);
  color: var(--muted);
}

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 1.5rem; }

@media (max-width: 640px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  margin: .6rem 0;
  font-size: .92rem;
}

.check-row input { margin-top: .2rem; }

.check-row label { cursor: pointer; }

.sub-fields {
  margin: .3rem 0 .8rem 1.8rem;
  padding: .75rem 1rem;
  background: var(--bg);
  border-left: 3px solid var(--border);
  border-radius: 0 6px 6px 0;
  display: none;
}

.sub-fields.open { display: block; }

.week-table {
  width: 100%;
  border-collapse: collapse;
  margin: .5rem 0 1.2rem;
  font-size: .85rem;
}

.week-table th, .week-table td {
  border: 1px solid var(--border);
  padding: .3rem .4rem;
  text-align: left;
}

.week-table input { border: none; padding: .2rem; width: 100%; }

.kk-choice {
  display: flex;
  gap: 1rem;
  margin: 1rem 0;
}

.kk-option {
  flex: 1;
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  cursor: pointer;
  text-align: center;
  font-weight: 600;
}

.kk-option input { display: none; }

.kk-option.barmer.selected { border-color: var(--barmer); background: #f2f9e6; }
.kk-option.tk.selected { border-color: var(--tk); background: #e6f6fd; }
.kk-option.andere.selected { border-color: var(--andere); background: #f0f1f3; }

.kk-section { display: none; }
.kk-section.open { display: block; }

details {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1rem;
  padding: .75rem 1rem;
}

details summary {
  font-weight: 600;
  cursor: pointer;
}

.hint {
  font-size: .8rem;
  color: var(--muted);
  margin: -.5rem 0 1rem;
}

button.submit {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: .9rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

button.submit:hover { opacity: .92; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: .5rem 0 1rem;
  font-size: .88rem;
}

.data-table th, .data-table td {
  border: 1px solid var(--border);
  padding: .5rem .6rem;
  text-align: left;
  vertical-align: middle;
}

.data-table th { background: var(--bg); }

.row-actions { display: flex; gap: .5rem; }

button.small {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .35rem .7rem;
  font-size: .82rem;
  cursor: pointer;
}

button.small:hover { background: var(--bg); }

button.danger { color: #b3261e; border-color: #e3b3ac; }

.flash {
  background: #eaf6ee;
  border: 1px solid #bfe3cb;
  border-radius: 8px;
  padding: .75rem 1rem;
  margin-bottom: 1.5rem;
  font-size: .9rem;
}