* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  background: #f1f5fb;
}

.tour-wrapper {
  width: 100%;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 30px 15px;
}

.popup-box {
  width: 100%;
  max-width: 550px;
  background: #fff;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

h2 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 3px;
}

.school-name {
  text-align: center;
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}

.input {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #f8faff;
  transition: 0.2s;
}

.input:focus {
  background: #fff;
  border-color: #005bbb;
  outline: none;
}

.row {
  display: flex;
  gap: 10px;
}

.textarea {
  height: 70px;
  resize: none;
}

.label {
  margin-top: 12px;
  font-weight: bold;
  font-size: 14px;
}

.time-box {
  display: flex;
  justify-content: space-between;
  margin: 12px 0;
}

.time-btn {
  flex: 1;
  padding: 12px 0;
  margin: 0 5px;
  border: 1px solid #1e40af;
  background: #eef4ff;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.2s;
}

.time-btn:hover {
  background: #1e40af;
  color: white;
}

.time-btn.active {
  background: #1e40af;
  color: #fff;
}

.note {
  font-size: 12px;
  color: #555;
  margin: 10px 0;
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background: #005bbb;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: 0.2s;
}

.submit-btn:hover {
  background: #004899;
}

.back-btn {
  display: block;
  text-align: center;
  margin-top: 18px;
  text-decoration: none;
  font-size: 14px;
  color: #333;
}

.back-btn:hover {
  color: #005bbb;
}

/* Responsive */
@media (max-width: 480px) {
  .row {
    flex-direction: column;
  }
}