* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #fff;
  color: #000;
  font-family: "Courier New", Courier, monospace;
  font-size: 18px;
  line-height: 1.8;
  padding: 80px 24px;
}

main {
  max-width: 600px;
  margin: 0 auto;
}

.date {
  font-size: 14px;
  margin-bottom: 48px;
}

h1 {
  font-size: 32px;
  font-weight: normal;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.details {
  margin: 40px 0;
}

.details ul {
  list-style: none;
  margin-top: 8px;
}

.details li::before {
  content: "- ";
}

.highlight {
  text-decoration: underline;
  text-decoration-color: #9b2d3f;
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.ps {
  margin-top: 16px;
  font-size: 14px;
}

.time {
  margin-top: 20px;
  border: 1px solid #000;
  padding: 16px 24px;
  display: inline-block;
}

.calendar-note {
  margin-top: 32px;
  font-size: 14px;
}

.accept-btn {
  margin-top: 40px;
  display: block;
  font-family: "Courier New", Courier, monospace;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: #9b2d3f;
  color: #fff;
  border: none;
  padding: 20px 48px;
  cursor: pointer;
}

.accept-btn:hover {
  background: #7a2333;
}

.accept-btn:disabled {
  cursor: default;
  opacity: 0.7;
}

.status {
  margin-top: 16px;
  font-size: 14px;
}

.signature {
  margin-top: 80px;
  font-size: 14px;
}

a {
  color: blue;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: #fff;
  padding: 40px;
  max-width: 400px;
  width: 90%;
  font-family: "Courier New", Courier, monospace;
}

.modal-title {
  font-size: 14px;
  margin-bottom: 16px;
}

.modal-content input {
  font-family: "Courier New", Courier, monospace;
  font-size: 18px;
  border: 1px solid #000;
  padding: 12px 16px;
  width: 100%;
  outline: none;
}

.modal-error {
  font-size: 14px;
  color: #9b2d3f;
  margin-top: 8px;
  min-height: 20px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.modal-btn {
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
  padding: 12px 24px;
  cursor: pointer;
  border: 1px solid #000;
  background: #fff;
  color: #000;
}

.modal-btn-confirm {
  background: #000;
  color: #fff;
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
    padding: 48px 20px;
  }

  h1 {
    font-size: 24px;
    margin-bottom: 24px;
  }

  .date {
    margin-bottom: 32px;
  }

  .signature {
    margin-top: 48px;
  }
}