.card { border: 0; border-radius: 16px; }
.card.shadow-sm { box-shadow: 0 8px 24px rgba(0,0,0,0.06) !important; }
.abstract-box {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  padding: 12px;
  max-height: 420px;
  overflow: auto;
  white-space: pre-wrap;
}

html, body {
  height: 100%;
}

body {
  background: #f6f7fb;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main.container {
  flex: 1;
}

.app-footer {
  margin-top: 40px;
  padding: 18px 24px;
  border-top: 1px solid #d9d9d9;
  background: #f8f9fb;
  color: #333;
  font-size: 13px;
  line-height: 1.5;
}

.app-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.app-footer p {
  margin: 6px 0;
}

.app-footer a {
  color: #1a5fb4;
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}