.inv-submission-gate {
  margin: 18px 0;
  width: 100%;
}

.inv-submission-gate__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid #8b0000;
  border-radius: 6px;
  background: #8b0000;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .08s ease, filter .15s ease, box-shadow .15s ease;
  box-shadow: 0 4px 14px rgba(139, 0, 0, 0.18);
}

.inv-submission-gate__button:hover {
  filter: brightness(0.95);
}

.inv-submission-gate__button:active {
  transform: scale(0.98);
}

.inv-submission-gate__message {
  padding: 14px 16px;
  border-radius: 6px;
  border: 1px solid #fecdd3;
  background: #fff1f2;
  color: #9f1239;
  font-size: 14px;
  font-weight: 600;
}

.inv-submission-gate--unavailable .inv-submission-gate__message {
  border-color: #e6e6e6;
  background: #f8f8f8;
  color: #444;
}

.inv-submission-gate--existing .inv-submission-gate__message {
  border-color: #fecdd3;
  background: #fff1f2;
  color: #9f1239;
}

.inv-submission-modal[hidden] {
  display: none;
}

.inv-submission-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.inv-submission-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 17, 17, 0.5);
}

.inv-submission-modal__dialog {
  position: relative;
  width: min(760px, 100%);
  max-height: calc(100vh - 40px);
  border-radius: 10px;
  background: #fff;
  border: 1px solid #e6e6e6;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.18);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.inv-submission-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid #efefef;
}

.inv-submission-modal__title {
  margin: 0;
  color: #222;
  font-size: 18px;
  font-weight: 700;
}

.inv-submission-modal__close {
  border: 0;
  background: transparent;
  color: #555;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

.inv-submission-modal__body {
  padding: 18px;
  overflow: auto;
  max-height: calc(100vh - 140px);
}

.inv-submission-modal__body .gform_wrapper {
  margin: 0;
}

.inv-submission-modal__body .gform_heading {
  display: none;
}

.inv-submission-modal__body .gform_footer,
.inv-submission-modal__body .gform_page_footer {
  margin-bottom: 0;
}

body.inv-submission-modal-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .inv-submission-modal {
    align-items: stretch;
    padding: 8px;
  }

  .inv-submission-modal__dialog {
    width: 100%;
    max-height: calc(100vh - 16px);
    border-radius: 8px;
  }

  .inv-submission-modal__body {
    padding: 14px;
    max-height: calc(100vh - 110px);
  }
}