/* Container and layout */
.etb-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.etb-container h1,
.etb-container h2 {
  color: white !important;
  text-align: center;
  margin-bottom: 20px;
}

label {
  display: block;
  margin: 10px 0 5px;
  font-weight: bold;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  height: 40px;
  border: 1px solid #ccc;
  border-radius: 5px;
  background: #fff;
}

/* Field error messages */
.etb-error {
  display: none;
  color: #E23125;
  font-size: 12px;
  line-height: 1.3;
  margin: 0 0 10px 0;
}
.etb-error.visible { display: block; }

input.invalid,
select.invalid,
textarea.invalid {
  border-color: #E23125 !important;
  box-shadow: 0 0 0 3px rgba(226, 49, 37, 0.15);
}

.form-container { /* legacy, unused in new grid but kept for compatibility */
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.button-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

button#etb-submit,
#etb-modal button#etb-modal-close {
  background: #E23125;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s ease, transform 0.05s ease;
}

button#etb-submit:hover,
#etb-modal button#etb-modal-close:hover {
  background: #b61f16; /* darker red */
}

button#etb-submit:active {
  transform: translateY(1px);
}

button#etb-submit[disabled] {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Modal */
.etb-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.etb-modal.open {
  display: flex;
}

.etb-modal-content {
  background: #fff;
  border-radius: 10px;
  max-width: 500px;
  width: 100%;
  padding: 24px;
  text-align: center;
}

.etb-modal-content h2 {
  color: #222 !important;
  margin-top: 0;
}

/* Success icon */
.etb-success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 12px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #E23125; /* stroke color for SVG */
  background: transparent;
}

.etb-success-svg { width: 56px; height: 56px; display: block; }

/* Loading overlay */
.etb-loading {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999; /* below modal */
}
.etb-loading.open { display: flex; }
.etb-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255,255,255,0.6);
  border-top-color: #E23125;
  border-radius: 50%;
  animation: etb-spin 1s linear infinite;
}
@keyframes etb-spin {
  to { transform: rotate(360deg); }
}

/* Responsive stacking for tablets and mobile */
@media (max-width: 1024px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .etb-container {
    padding: 16px;
  }

  input,
  select,
  textarea {
    font-size: 16px; /* avoid iOS zoom */
  }
}