.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 32, 44, 0.42);
  backdrop-filter: blur(5px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 14px;
  z-index: 2000;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal {
  width: 100%;
  max-height: min(92dvh, 980px);
  overflow: hidden;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(16, 24, 40, 0.25);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(250, 252, 255, 0.9);
  position: sticky;
  top: 0;
  z-index: 1;
}

.modal__title {
  margin: 0;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.modal__body {
  padding: 18px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.modal__close {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: #eef3fb;
  font-size: 20px;
  flex: 0 0 auto;
}

.stack-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row > label {
  font-size: 13px;
  font-weight: 700;
  color: #415267;
}

.form-row--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.inline-options {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .modal-backdrop {
    padding: 8px;
    align-items: flex-end;
  }

  .modal {
    width: 100%;
    max-height: 92vh;
    border-radius: 20px;
  }

  .modal__header {
    padding: 12px 14px;
  }

  .modal__title {
    font-size: 19px;
  }

  .modal__body {
    padding: 14px;
  }

  .form-row--split {
    grid-template-columns: 1fr;
  }

  .form-actions {
    justify-content: stretch;
  }

  .form-actions > * {
    width: 100%;
  }
}