* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f3f5fb;
  color: #1f2937;
}

.container { width: min(1280px, 94%); margin: 0 auto; }

.hero {
  background: linear-gradient(135deg, #0f766e, #0ea5a4);
  color: #fff;
  padding: 32px 0;
}

.hero h1 { margin: 0 0 8px; font-size: 2rem; }
.hero p { margin: 0; }

.layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px;
  margin: 20px auto 30px;
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

h2, h3 { margin-top: 0; }

label {
  display: block;
  margin: 10px 0 6px;
  font-weight: 600;
}

input, textarea {
  width: 100%;
  border: 1px solid #d2dbef;
  border-radius: 10px;
  padding: 10px 12px;
  font-family: inherit;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn {
  border: none;
  border-radius: 10px;
  background: #0f766e;
  color: #fff;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}

.btn.secondary {
  background: #e6fffb;
  color: #134e4a;
}

.doc-preview {
  background: #fff;
  border: 1px solid #dce4f4;
  border-radius: 10px;
  padding: 28px;
  min-height: 620px;
  line-height: 1.6;
  color: #0f172a;
}

.doc-header {
  border-bottom: 2px solid #0f766e;
  padding-bottom: 10px;
  margin-bottom: 14px;
  text-align: center;
}

.doc-title {
  margin: 0;
  font-size: 1.25rem;
  text-transform: uppercase;
}

.doc-subtitle {
  margin: 8px 0 0;
  color: #334155;
}

.doc-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 14px;
  margin-bottom: 14px;
}

.doc-section { margin: 12px 0; }

.doc-section h4 {
  margin: 0 0 6px;
  color: #0f766e;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.doc-section-content {
  border: 1px solid #dce4f4;
  border-radius: 8px;
  background: #f8fbff;
  padding: 10px 12px;
  white-space: pre-wrap;
}

.function-list {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.function-list th, .function-list td {
  border: 1px solid #dce4f4;
  padding: 8px 10px;
  text-align: left;
}

.function-list th {
  background: #f0fdfa;
  color: #115e59;
}

.signatures {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.sign-box {
  border-top: 1px solid #94a3b8;
  padding-top: 8px;
  min-height: 65px;
}

@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }
  .doc-preview { min-height: 420px; }
  .doc-meta, .signatures { grid-template-columns: 1fr; }
}

@media print {
  .hero, .form-card, .preview-actions { display: none !important; }
  .layout { display: block; margin: 0; width: 100%; }
  .preview-card { box-shadow: none; border: none; padding: 0; }
  .doc-preview { border: none; padding: 0; min-height: auto; }
  @page { size: A4; margin: 15mm 14mm; }
}