* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: #f0f4f1;
  color: #1f2937;
}

.wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.head { text-align: center; margin-bottom: 20px; }
.head h1 { margin: 0 0 4px; font-size: 26px; color: #14532d; }
.head .sub { margin: 0; color: #4b5563; }

.card {
  background: #fff;
  border-radius: 14px;
  padding: 22px 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.card h2 { margin: 0 0 6px; font-size: 19px; }
.ket { color: #6b7280; font-size: 14px; margin: 6px 0 14px; }
.catatan { color: #9ca3af; font-size: 13px; margin: 14px 0 0; }

label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin: 14px 0 6px;
}

input[type="text"],
select {
  width: 100%;
  padding: 13px 12px;
  font-size: 16px;
  border: 1.5px solid #d1d5db;
  border-radius: 10px;
  background: #fff;
}

input[type="text"]:focus,
select:focus,
input[type="file"]:focus {
  outline: none;
  border-color: #16a34a;
}

input:disabled { background: #f3f4f6; color: #374151; }
input[type="file"] { width: 100%; font-size: 14px; }

.btn {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: #16a34a;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

.btn:disabled { background: #9ca3af; cursor: wait; }

.btn-kecil {
  padding: 8px 14px;
  font-size: 14px;
  color: #374151;
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  cursor: pointer;
}

.error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  margin: 14px 0 0;
}

.info {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  margin: 10px 0 0;
  word-break: break-all;
}

.siswa {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 6px;
}

.siswa .halo { margin: 0 0 2px; font-size: 16px; }
.siswa .meta { margin: 0; color: #4b5563; font-size: 13px; }

.tengah { text-align: center; }
.centang { font-size: 44px; margin: 4px 0 0; }