:root{
  /* DKFZ palette */
  --dkfz-blue: #006BB4;
  --dkfz-blue-2: #8AAEDD;
  --dkfz-blue-3: #009DDC;
  --dkfz-blue-4: #66C5EE;

  --dkfz-orange: #FF5C00;
  --dkfz-green: #82BE23;
  --dkfz-pink: #D62F78;
  --dkfz-teal: #28A6A6;
  --dkfz-red: #E64A4A;
  --dkfz-purple: #6E1E82;

  /* UI */
  --text: #0f172a;
  --muted: #64748b;
  --card: #ffffff;
  --bg: #f6f8fb;
  --shadow: 0 10px 30px rgba(2, 8, 23, 0.14);
  --radius: 12px;

  --ring: rgba(214, 47, 120, 0.35); /* pink accent */
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

/* Header */
.topbar{
  background: var(--dkfz-blue);
  color: white;
  padding: 18px 16px;
  border-bottom: 4px solid rgba(255,255,255,0.12);
}
.topbar-inner{
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.brand h1{
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.2px;
  line-height: 1.15;
}

.authors{
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.4;
  color: rgba(255,255,255,0.92);
}
.author--me{
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}
.affiliations{
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.35;
  color: rgba(255,255,255,0.78);
}
.sep{ padding: 0 6px; color: rgba(255,255,255,0.55); }

.actions{
  display: flex;
  flex-direction: column;  /* email above DKFZ profile */
  gap: 10px;
  min-width: 230px;
  align-items: stretch;
}
.icon-link{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: white;
  text-decoration: none;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
}
.icon-link:hover{
  background: rgba(255,255,255,0.18);
}
.icon svg{
  width: 18px;
  height: 18px;
  display: block;
}
.img-icon{
  width: 18px;
  height: 18px;
  display: block;
  object-fit: contain;
  filter: brightness(0) invert(1); /* makes most logo variants readable on blue */
}
.link-text{
  white-space: nowrap;
}

/* Page layout */
.page{
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 16px 44px;
}

/* Cards */
.card{
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.card:focus-within{
  outline: 3px solid var(--ring);
  outline-offset: 3px;
}

/* Sources */
.sources{
  margin-top: 18px;
  border-left: 5px solid var(--dkfz-blue-2);
}
.sources h2{
  margin: 0 0 10px;
}
.sources-list{
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.55;
}
.sources-list li{
  margin: 0.7rem 0;
  overflow-wrap: anywhere;
}
.sources-list a{
  color: var(--dkfz-blue);
  text-decoration: none;
  font-weight: 600;
}
.sources-list a:hover{
  text-decoration: underline;
}

/* Declaration */
.declaration{
  margin-top: 14px; /* small gap vs references */
  border-left: 5px solid var(--dkfz-pink);
}
.declaration h2{
  margin: 0;
}
.declaration-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 8px;
}
.eu-logo{
  width: 160px;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  /* background: rgba(0,0,0,0.02);
  border: 1px solid rgba(2,8,23,0.08); */
  padding: 6px;
  
}
.declaration p{
  margin: 0;
  line-height: 1.6;
  color: #182235;
}

/* Poster */
.poster-card{
  margin-top: 18px;
  border-top: 4px solid var(--dkfz-blue-4);
}
.poster-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 12px;
}
.button{
  display: inline-block;
  padding: 12px 18px;
  min-width: 220px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
  text-align: center;
  border: 1px solid transparent;
}
.button--primary{
  background: var(--dkfz-blue-2);
  color: white;
}
.button--primary:hover{ filter: brightness(0.96); }

.button--ghost{
  background: white;
  color: var(--dkfz-pink);
  border-color: rgba(214, 47, 120, 0.45);
}
.button--ghost:hover{
  background: rgba(214, 47, 120, 0.06);
}

.poster-wrap{ padding: 10px; }
.poster-img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(2, 8, 23, 0.08);
}
.poster-note{
  margin: 10px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}
.poster-note a{
  color: var(--dkfz-blue);
  font-weight: 700;
  text-decoration: none;
}
.poster-note a:hover{ text-decoration: underline; }

/* More info block */
.below{
  padding: 18px 0 6px;
}
.below-inner{
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.below-title{
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--text);
}
.info-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.info-item{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 12px;
  background: white;
  border: 1px solid rgba(2, 8, 23, 0.10);
  box-shadow: 0 6px 18px rgba(2, 8, 23, 0.06);
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
}
.info-item:hover{
  border-color: rgba(0, 107, 180, 0.35);
  box-shadow: 0 10px 24px rgba(2, 8, 23, 0.10);
}
.info-icon{
  width: 18px;
  height: 18px;
  display: block;
  object-fit: contain;
}
.info-item svg{
  width: 18px;
  height: 18px;
  display: block;
  color: var(--dkfz-blue);
}
.pill{
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 157, 220, 0.12);
  color: var(--dkfz-blue);
  font-weight: 900;
  letter-spacing: 0.2px;
}

/* Footer */
.footer{
  padding: 18px 16px 28px;
  text-align: center;
  color: var(--muted);
}
.footer a{
  color: var(--dkfz-blue);
  text-decoration: none;
  font-weight: 700;
}
.footer a:hover{ text-decoration: underline; }

/* Responsive */
@media (max-width: 860px){
  .topbar-inner{ flex-direction: column; }
  .actions{ width: 100%; flex-direction: row; flex-wrap: wrap; }
  .icon-link{ flex: 1 1 220px; justify-content: center; }
}
@media (max-width: 640px){
  .info-grid{ grid-template-columns: 1fr; }
  .button{ min-width: 0; width: 100%; }
}