body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

h1 {
  color: #333;
}

header.header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 90%;
}

.header-title {
  margin-top: 10px;
  text-align: center;
}

.header-btn {
  height: 36px;
}

input,
textarea {
  width: 100%;
  padding: 8px;
  margin: 6px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
  max-width: 400px;
}

input[type='file'] {
  display: none;
}

table {
  width: 95%;
  border-collapse: collapse;
  margin: 16px auto;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  font-size: 13px;
  table-layout: auto;
  max-width: 100%;
  word-wrap: break-word;
}

th,
td {
  border: 1px solid #ccc;
  padding: 6px 8px;
  text-align: left;
  vertical-align: middle;
  white-space: normal;
  word-break: normal;
  overflow-wrap: normal;
}

th {
  background-color: #4285F4;
  color: white;
  text-align: center;
  font-size: 13px;
  padding: 8px;
  line-height: 1.2;
}

td a {
  display: block;
  text-align: center;
  font-size: 13px;
}

button {
  padding: 10px 15px;
  background-color: #1e88e5;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.15s ease;
}

button:hover,
.form-row button:hover {
  background-color: #1565c0;
}

button:active,
.form-row button:active {
  background-color: #0d47a1;
}

button:disabled,
.form-row button:disabled {
  background-color: #ccc !important;
  cursor: not-allowed;
  opacity: 0.6;
}

#send_email_btn,
#validate_code_btn {
  width: 160px;
}

.upload_btn {
  display: inline-block;
  background-color: #f29900;
  color: #fff;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  white-space: normal;
  word-break: break-word;
  text-align: center;
}

.upload_btn.uploaded {
  background-color: #2e7d32;
}

label.upload_btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

#form {
  max-width: 820px;
  margin: 0 auto 18px;
  padding: 8px 12px;
  box-sizing: border-box;
}

.form_row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.form_row label {
  width: 170px;
  flex: 0 0 170px;
  font-weight: 600;
}

.form_row input[type='email'],
.form_row input[type='text'],
.form_row textarea {
  flex: 1 1 auto;
  padding: 8px 10px;
  border: 1px solid #cfcfcf;
  border-radius: 6px;
  font-size: 15px;
  box-sizing: border-box;
}

.field_error {
  color: #b00020;
  font-size: 0.9rem;
  margin: 4px 0 10px 170px;
  display: none;
}

#loader {
  text-align: center;
  margin: 20px;
  font-weight: bold;
  color: #555;
}

.spinner {
  border: 6px solid #f3f3f3;
  border-top: 6px solid #4285F4;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: auto;
}

@keyframes spin {
  0% {transform: rotate(0deg);}
  100% {transform: rotate(360deg);}
}