* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #edf2f7;
  color: #17202a;
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

.app-shell {
  min-height: 100vh;
  padding: 24px;
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 auto 20px;
  max-width: 1400px;
}

.app-topbar h1 {
  margin: 0;
  color: #102a43;
  font-size: 22px;
  line-height: 1.2;
}

.app-topbar p {
  margin: 4px 0 0;
  color: #52616f;
  font-size: 14px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}

.panel {
  background: #ffffff;
  border: 1px solid #d9e2ec;
  border-radius: 8px;
}

.form-panel {
  padding: 18px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.field label,
.field span {
  color: #34495e;
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 10px 11px;
  color: #17202a;
  font: inherit;
  font-size: 14px;
  line-height: 1.35;
}

.field textarea {
  min-height: 92px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: #1464a5;
  outline: 2px solid rgba(20, 100, 165, 0.18);
}

.hint {
  margin: 0;
  color: #64748b;
  font-size: 12px;
  line-height: 1.35;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 0 14px;
  background: #ffffff;
  color: #102a43;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  border-color: #1464a5;
  background: #1464a5;
  color: #ffffff;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.warnings {
  display: none;
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 1px solid #f7c948;
  border-radius: 6px;
  background: #fff8db;
  color: #513c06;
  font-size: 13px;
  line-height: 1.4;
}

.warnings.is-visible {
  display: block;
}

.warnings ul {
  margin: 6px 0 0;
  padding-left: 20px;
}

.preview-panel {
  overflow: auto;
  max-height: calc(100vh - 118px);
  padding: 18px;
}

.preview-panel .quote-body {
  background: transparent;
}

.preview-panel .quote-sheet {
  margin: 0 auto;
  box-shadow: 0 18px 60px rgba(15, 23, 42, 0.16);
  transform-origin: top center;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(420px, 100%);
  padding: 22px;
}

.login-card h1 {
  margin: 0 0 6px;
  color: #102a43;
  font-size: 22px;
}

.login-card p {
  margin: 0 0 18px;
  color: #52616f;
  font-size: 14px;
}

.error-box {
  margin-bottom: 14px;
  padding: 11px 12px;
  border: 1px solid #f8b4b4;
  border-radius: 6px;
  background: #fff1f1;
  color: #7f1d1d;
  font-size: 13px;
}

@media (max-width: 1060px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    max-height: none;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 14px;
  }

  .app-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .preview-panel {
    padding: 10px;
  }

  .preview-panel .quote-sheet {
    transform: scale(0.58);
    transform-origin: top left;
    margin-bottom: -470px;
  }
}