:root {
  --main-blue: #1b5797;
  --dark-blue: #297bc3;
  --light-blue: #6fb5f3;
  --grey-border: #CCCCCC;
  --text-color: #000000;
  --white: #FFFFFF;
}

body {
  font-family: "Segoe UI", "Roboto", Arial, sans-serif;
  background-color: #F0F2F5;
  font-size: 10pt;
  color: var(--text-color);
  margin: 0;
  padding: 0;
}

.mainback {
  box-sizing: border-box;
  max-width: 1000px;
  background-color: var(--white);
  padding: 20px;
  margin: 0 auto;
  border-radius: 6px;
  min-height: 90vh;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.eventhead {
  border: 1px solid var(--grey-border);
  background-color: var(--light-blue);
  color: var(--text-color);
  padding: 12px 20px;
  font-size: 20pt;
  font-weight: bold;
  border-radius: 6px;
  margin-bottom: 15px;
}

.backbtn {
  background-color: var(--main-blue);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-size: 14pt;
  font-weight: bold;
  padding: 6px 12px;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
}
.backbtn:hover {
  background-color: var(--dark-blue);
}

.compbutton {
  background-color: var(--main-blue);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-size: 12pt;
  padding: 10px 20px;
  margin-top: 10px;
  text-align: center;
  display: inline-block;
  width: 40%;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
}
.compbutton:hover {
  background-color: var(--dark-blue);
}

.groupheader {
  background-color: var(--main-blue);
  color: var(--white);
  font-size: 12pt;
  padding: 8px 12px;
  margin-top: 10px;
  border-radius: 6px;
  cursor: pointer;
}
.groupheader:hover {
  background-color: var(--dark-blue);
}

.tab1 {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
  border: 1px solid var(--grey-border);
}
.tab1 td {
  border: 1px solid var(--grey-border);
  padding: 6px 10px;
  font-size: 10pt;
}
.tab1 .td0 {
  background-color: var(--main-blue);
  color: var(--white);
  font-weight: bold;
}
.tab1 .td2, .tab1 .td3, .tab1 .td4, .tab1 .td5 {
  background-color: #F8FAFC;
}

a {
  color: var(--main-blue);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.tooltip2w, .tooltip2c, .tooltip2gc, .tooltip3r, .tooltipnar {
  visibility: hidden;
  display: none;
  background-color: var(--main-blue);
  color: var(--white);
  padding: 6px 10px;
  border-radius: 6px;
  position: absolute;
  z-index: 999;
  font-size: 9pt;
  text-align: center;
  white-space: nowrap;
}
td:hover .tooltip2w,
td:hover .tooltip2c,
td:hover .tooltip2gc,
td:hover .tooltip3r,
.nar:hover .tooltipnar {
  visibility: visible;
  display: block;
}

/* Responsive Optimierung */
@media (max-width: 1000px) {
  .mainback {
    width: 95%;
    padding: 10px;
  }
  .compbutton {
    width: 80%;
  }
}
@media (max-width: 600px) {
  .compbutton {
    width: 100%;
  }
  .eventhead {
    font-size: 16pt;
    padding: 10px;
  }
}