*{box-sizing:border-box}
body{
  margin:0;
  font-family:Arial,sans-serif;
  background:#f6f8fc;
  color:#1f2937;
}
.wrap{
  max-width:1120px;
  margin:0 auto;
  padding:24px;
}
.site-header{
  background:#ffffff;
  border-bottom:1px solid #e5e7eb;
}
.brand a{
  font-size:28px;
  font-weight:700;
  color:#111827;
  text-decoration:none;
}
.nav{
  margin-top:14px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 18px;
}
.nav a{
  text-decoration:none;
  color:#1d4ed8;
}
.hero{
  background:#ffffff;
  border-radius:18px;
  padding:30px;
  margin-top:24px;
  box-shadow:0 10px 30px rgba(0,0,0,.06);
}
.content p{
  line-height:1.7;
}
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px;
  margin-top:24px;
}
.card,.panel,.doc-card{
  background:#f9fbff;
  border:1px solid #e5e7eb;
  border-radius:14px;
  padding:20px;
}
.card h3,.doc-card h2,.doc-card h3{
  margin-top:0;
}
.doc-list{
  display:grid;
  gap:16px;
  margin-top:24px;
}
.site-footer{
  margin-top:30px;
  padding-bottom:30px;
  color:#6b7280;
}
.auth-card{
  max-width:420px;
  background:#f9fbff;
  border:1px solid #e5e7eb;
  border-radius:14px;
  padding:22px;
}
.form-row{
  margin-bottom:16px;
}
.form-row label{
  display:block;
  font-weight:700;
  margin-bottom:8px;
}
.form-row input,
.form-row textarea,
.form-row select{
  width:100%;
  padding:12px 14px;
  border:1px solid #cbd5e1;
  border-radius:10px;
  font-size:16px;
  font-family:inherit;
}
.form-row textarea{
  min-height:110px;
  resize:vertical;
}
.form-hint{
  margin-top:8px;
  font-size:13px;
  color:#64748b;
}
.form-actions,
.logout-form,
.inline-form{
  margin-top:18px;
}
.button,
button{
  display:inline-block;
  padding:12px 18px;
  border:0;
  border-radius:10px;
  cursor:pointer;
  font-size:15px;
  text-decoration:none;
  background:#1d4ed8;
  color:#ffffff;
}
.button-secondary{
  background:#475569;
  color:#ffffff;
}
.button-danger{
  background:#b91c1c;
  color:#ffffff;
}
.alert{
  padding:14px 16px;
  border-radius:12px;
  margin-bottom:18px;
}
.alert-error{
  background:#fef2f2;
  border:1px solid #fecaca;
  color:#991b1b;
}
.alert-success{
  background:#f0fdf4;
  border:1px solid #bbf7d0;
  color:#166534;
}
.meta{
  color:#64748b;
  font-size:14px;
}
.actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}
.badge{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  background:#e0f2fe;
  color:#075985;
  font-size:13px;
  font-weight:700;
}
.badge-muted{
  background:#e5e7eb;
  color:#374151;
}
.section-space{
  margin-top:28px;
}
.cover-preview{
  width:100%;
  max-width:480px;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:12px;
  border:1px solid #dbe4ef;
  background:#eef2ff;
}
.meta-list{
  margin:12px 0 0;
  padding-left:18px;
  line-height:1.7;
}
.header-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:18px;
}
.field-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;
}
.version-list{
  margin:14px 0 0;
  padding-left:18px;
  line-height:1.7;
}
.note-box{
  padding:14px 16px;
  border-radius:12px;
  background:#f8fafc;
  border:1px solid #e2e8f0;
}
.small{
  font-size:13px;
  color:#64748b;
}