:root {
  --blue: #2c5f8a;
  --blue-dark: #1a3d5c;
  --green: #27ae60;
  --red: #e74c3c;
  --bg: #f4f6f9;
  --card: #fff;
  --border: #dde5f0;
  --text: #1a1a1a;
  --muted: #666;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
header { background: var(--blue-dark); color: #fff; padding: 16px 32px; display: flex; align-items: center; gap: 16px; box-shadow: 0 2px 8px rgba(0,0,0,.3); }
.header-spacer { flex: 1; }
.auth-bar { display: flex; align-items: center; gap: 10px; }
.auth-user { font-size: 12px; opacity: .9; }
.btn-logout {
  padding: 8px 12px; border: 1px solid rgba(255,255,255,.35); color: #fff; background: transparent;
  border-radius: 6px; cursor: pointer; font-size: 12px; font-weight: 700;
}
.btn-logout:hover { background: rgba(255,255,255,.12); }
header h1 { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; }
header .subtitle { font-size: 12px; opacity: 0.7; margin-top: 2px; }
main { max-width: 860px; margin: 32px auto; padding: 0 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 24px; margin-bottom: 20px; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.card h2 { font-size: 15px; color: var(--blue-dark); margin-bottom: 16px; border-bottom: 2px solid var(--border); padding-bottom: 8px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.4px; }
select, input[type="number"] {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 4px;
  font-size: 13px; background: #fff; color: var(--text);
  transition: border-color .2s;
}
select:focus, input:focus { outline: none; border-color: var(--blue); }
.doc-types { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.doc-type-btn {
  border: 2px solid var(--border); border-radius: 6px; padding: 12px 8px;
  cursor: pointer; text-align: center; transition: all .2s; background: #fff;
}
.doc-type-btn:hover { border-color: var(--blue); background: #f0f4f9; }
.doc-type-btn.active { border-color: var(--blue); background: #e8f0f9; }
.doc-type-btn .icon { font-size: 22px; margin-bottom: 4px; }
.doc-type-btn .name { font-size: 11px; font-weight: 600; color: var(--blue-dark); }
.doc-type-btn .desc { font-size: 10px; color: var(--muted); margin-top: 2px; }
.variant-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.variant-btn {
  border: 2px solid var(--border); border-radius: 4px; padding: 8px 12px;
  cursor: pointer; text-align: center; font-size: 12px; font-weight: 600;
  transition: all .2s; background: #fff; color: var(--blue-dark);
}
.variant-btn:hover { border-color: var(--blue); background: #f0f4f9; }
.variant-btn.active { border-color: var(--blue); background: var(--blue); color: #fff; }
.format-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.format-btn {
  border: 2px solid var(--border); border-radius: 4px; padding: 8px 12px;
  cursor: pointer; text-align: center; font-size: 12px; font-weight: 600;
  transition: all .2s; background: #fff; color: var(--blue-dark);
}
.format-btn:hover { border-color: var(--blue); background: #f0f4f9; }
.format-btn.active { border-color: var(--blue); background: var(--blue); color: #fff; }
.actions { display: flex; gap: 10px; margin-top: 16px; }
.btn-primary {
  flex: 1; padding: 12px; background: var(--blue); color: #fff;
  border: none; border-radius: 6px; font-size: 14px; font-weight: 700;
  cursor: pointer; transition: background .2s;
}
.btn-primary:hover { background: var(--blue-dark); }
.btn-primary:disabled { background: #aaa; cursor: not-allowed; }
.btn-preview {
  padding: 12px 20px; background: var(--green); color: #fff;
  border: none; border-radius: 6px; font-size: 14px; font-weight: 700;
  cursor: pointer; transition: background .2s;
}
.btn-preview:hover { background: #219a52; }
.btn-preview:disabled { background: #aaa; cursor: not-allowed; }
.progress { display: none; margin-top: 12px; }
.progress-bar { height: 6px; background: #dde5f0; border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--blue); width: 0%; transition: width .3s; border-radius: 3px; }
.progress-text { font-size: 12px; color: var(--muted); margin-top: 6px; text-align: center; }
.status { padding: 10px 14px; border-radius: 4px; font-size: 13px; margin-top: 10px; display: none; }
.status.success { background: #e8f5e9; border: 1px solid #4caf50; color: #2e7d32; }
.status.error { background: #fce8e8; border: 1px solid #e74c3c; color: #c62828; }
.advanced { border-top: 1px solid var(--border); margin-top: 14px; padding-top: 14px; }
.advanced-toggle { font-size: 12px; color: var(--blue); cursor: pointer; font-weight: 600; user-select: none; }
.advanced-content { display: none; margin-top: 12px; }
.advanced-content.open { display: block; }
.count-display { font-size: 22px; font-weight: 800; color: var(--blue); text-align: center; }
input[type="range"] { width: 100%; accent-color: var(--blue); }
.login-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; align-items: end; }
.login-grid input[type="text"],
.login-grid input[type="password"] {
  width: 100%;
  min-height: 40px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  transition: border-color .2s, box-shadow .2s;
}
.login-grid input[type="text"]:focus,
.login-grid input[type="password"]:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(44, 95, 138, .12);
}
.btn-login {
  min-height: 40px; padding: 10px 16px; border: none; border-radius: 6px; background: var(--blue-dark); color: #fff;
  font-size: 13px; font-weight: 700; cursor: pointer;
}
.btn-login:hover { background: var(--blue); }
.login-hint { font-size: 12px; color: var(--muted); margin-top: 10px; }
@media (max-width: 860px) {
  .doc-types { grid-template-columns: repeat(2, 1fr); }
  .login-grid { grid-template-columns: 1fr; }
  .auth-user { display: none; }
}