/* หน้ากรอกข้อมูล */
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Sarabun", "TH Sarabun New", sans-serif;
  background: #f0f2f5;
  color: #222;
  -webkit-text-size-adjust: 100%;
}
.wrap {
  max-width: 820px;
  margin: 24px auto;
  padding: 0 16px 40px;
}
h1 { font-size: 1.5rem; margin: 0 0 8px; }
.hint { color: #555; margin-bottom: 20px; }
.card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 1.1rem;
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
}
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.row-3 { grid-template-columns: 1fr 1fr 1fr; }
label {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 4px;
}
input[type="text"],
input[type="date"],
input[type="time"],
textarea,
select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font: inherit;
  font-size: 16px; /* กัน iOS zoom */
}
textarea { min-height: 72px; resize: vertical; }
.field { margin-bottom: 12px; }
.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
button, .btn {
  display: inline-block;
  padding: 10px 18px;
  border: none;
  border-radius: 4px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  color: #fff;
  background: #1a5f2a;
}
.btn-secondary { background: #555; }
.alert {
  padding: 10px 14px;
  border-radius: 4px;
  margin-bottom: 16px;
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
}
.alert-err {
  background: #ffebee;
  border-color: #ef9a9a;
}

.emp-row {
  display: grid;
  grid-template-columns: 28px 140px 1fr;
  gap: 10px;
  align-items: end;
  margin-bottom: 10px;
}
.emp-num {
  font-weight: 600;
  padding-bottom: 10px;
}
.emp-name input[readonly] {
  background: #f5f5f5;
}

/* มือถือ / PDA */
@media (max-width: 900px) {
  .wrap {
    margin: 0;
    padding: 12px 12px 96px;
    max-width: none;
  }
  h1 { font-size: 1.35rem; }
  .hint { font-size: 0.95rem; margin-bottom: 12px; }
  .card {
    padding: 14px;
    margin-bottom: 12px;
    border-radius: 10px;
  }
  .card h2 { font-size: 1.05rem; }
  .row, .row-3 { grid-template-columns: 1fr; gap: 0; }
  label { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
  input[type="text"],
  textarea,
  select {
    padding: 14px 12px;
    font-size: 18px;
    border-radius: 8px;
    min-height: 48px;
  }
  textarea { min-height: 100px; }
  .emp-row {
    grid-template-columns: 28px 1fr;
    gap: 8px;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
  }
  .emp-name { grid-column: 2; }
  .emp-num { padding-bottom: 14px; font-size: 1.1rem; }
  .actions {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
    background: linear-gradient(transparent, #f0f2f5 30%);
    gap: 8px;
  }
  .actions button,
  .actions .btn {
    flex: 1 1 100%;
    text-align: center;
    padding: 16px 14px;
    font-size: 1.15rem;
    font-weight: 700;
    border-radius: 10px;
    min-height: 52px;
  }
}