body {
margin: 0;
font-family: 'Arial', sans-serif;
background: radial-gradient(circle at top, #0a0f1f, #05060a 60%);
color: #e6ecff;
padding: 40px;
}

.papers-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 6, 10, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 30px;
}

.papers-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-logo {
  color: #f3e7b3;
  text-decoration: none;
  font-weight: bold;
  font-size: 18px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.papers-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.papers-nav-links a {
  color: #e6ecff;
  text-decoration: none;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  transition: 0.2s ease;
}

.papers-nav-links a:hover {
  background: rgba(138,168,255,0.12);
  color: #f3e7b3;
}

.papers-nav-links a.active {
  background: rgba(138,168,255,0.16);
  color: #f3e7b3;
  font-weight: 600;
}

@media (max-width: 700px) {
  .papers-nav-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 20px;
  }

  .papers-nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
  }

  .papers-nav-links a {
    font-size: 13px;
    padding: 7px 10px;
  }
}

h1 {
text-align: center;
margin-bottom: 40px;
letter-spacing: 2px;
}

.papers-container {
  max-width: 900px;
  margin: 0 auto;
}

.paper {
background: rgba(255,255,255,0.03);
border: 1px solid rgba(255,255,255,0.08);
border-radius: 12px;
padding: 20px;
margin-bottom: 20px;
transition: 0.2s;
}

.paper:hover {
background: rgba(255,255,255,0.06);
}

.title {
font-size: 18px;
font-weight: bold;
margin-bottom: 10px;
}

.desc {
font-size: 14px;
opacity: 0.8;
margin-bottom: 15px;
line-height: 1.7;
max-width: 700px;
}

.links a {
margin-right: 15px;
color: #8aa8ff;
text-decoration: none;
font-size: 14px;
}

.links a:hover {
text-decoration: underline;
}

.date {
font-size: 12px;
opacity: 0.5;
letter-spacing: 0.5px;
text-transform: uppercase;
}

.tags span {
  display: inline-block;
  background: rgba(138,168,255,0.15);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  margin-right: 6px;
  margin-bottom: 10px;
}

@media (max-width: 600px) {
body {
padding: 20px;
}
}