body {
  font-family: Arial;
  background: #f4f6f9;
  padding: 20px;
}

h1 {
  text-align: center;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  width: 80%;
  margin: auto;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

select, button {
  padding: 10px;
  width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 10px;
  border: 1px solid #ddd;
  text-align: center;
}

th {
  background: #bb0101;
  color: white;
}

body {
  font-family: Arial;
  margin: 30px;
  background: #f5f5f5;
}

.card, .history-card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 15px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.session-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.session-header {
  flex: 1;
  cursor: pointer;
  padding: 18px;
  background: #e8f0fe;
  border-radius: 8px;
  font-weight: bold;
}

.session-header:hover {
  background: #d2e3fc;
}

.download-btn {
  flex: 0 0 auto;
  width: auto;
  min-width: fit-content;
  padding: 8px 12px;
  height: 42px;

  border: none;
  border-radius: 8px;
  background: #bb0101;
  color: white;
  cursor: pointer;

  font-size: 13px;
  font-weight: bold;
  white-space: nowrap;

  display: inline-block !important;
}

.download-btn:hover {
  background: #880101;
}

.operations-container {
  margin-top: 15px;
  padding: 10px;
}

table {
  border-collapse: collapse;
  background: white;
}

th, td {
  padding: 10px;
  text-align: center;
}

button {
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  background: #bb0101;
  color: white;
  cursor: pointer;
  font-size: 14px;
}

button:hover {
  background: #880101;
}

.top-bar {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  padding: 20px 0;
}

.back-btn {
  position: absolute;
  left: 20px;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  padding: 5px 12px;
  border-radius: 50%;
  user-select: none;
}

.back-btn:hover {
  background: #e0e0e0;
}

.top-bar h1 {
  margin: 0;
  text-align: center;
}