/* ── Beta Application Modal ── */
/* Word-document style: paper-white panel, larger serif-ish typography, clear form fields */

.beta-application-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
}

.beta-application-modal__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.58);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
}

/* ── Panel: paper-like document ── */
.beta-application-modal__panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(800px, 94vw);
  max-height: 90vh;
  overflow: hidden;
  border: 1px solid #d9d5cf;
  border-radius: 4px;
  background: #faf8f4;
  color: #1e1e1e;
  box-shadow:
    0 2px 0 #e8e4dc,
    0 4px 0 #d9d5cf,
    0 8px 32px rgba(0, 0, 0, 0.2),
    0 24px 80px rgba(0, 0, 0, 0.12);
  font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.8;
}

/* ── Header ── */
.beta-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 36px 20px;
  border-bottom: 2px solid #1e1e1e;
  flex-shrink: 0;
  background: #f5f1ea;
}

.beta-modal-header__left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.beta-modal-header__icon {
  font-size: 28px;
  color: #166534;
  flex-shrink: 0;
}

.beta-modal-header h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  color: #1e1e1e;
  letter-spacing: 1px;
  line-height: 1.3;
}

.beta-modal-header__subtitle {
  margin: 2px 0 0;
  font-size: 13px;
  color: #6b7280;
  font-weight: 500;
}

.beta-modal-header__subtitle strong {
  color: #166534;
  font-weight: 800;
}

.beta-modal-header__close {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid #d5cfc4;
  border-radius: 4px;
  background: #f5f1ea;
  color: #8c8276;
  cursor: pointer;
  font-size: 14px;
  flex-shrink: 0;
  transition: background 120ms ease, color 120ms ease;
}

.beta-modal-header__close:hover {
  background: #ede6da;
  color: #1e1e1e;
}

.beta-modal-header__close:disabled,
.beta-modal-footer__btn:disabled {
  opacity: 0.58;
  cursor: wait;
}

/* ── Scrollable body ── */
.beta-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 32px 40px;
  background: #faf8f4;
}

/* ── Document sections ── */
.beta-doc-section {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px dashed #d9d2c5;
}

.beta-doc-section:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.beta-doc-section__title {
  margin: 0 0 18px;
  font-size: 16px;
  font-weight: 900;
  color: #1e1e1e;
  letter-spacing: 0.5px;
}

.beta-required {
  color: #dc2626;
  font-style: normal;
  font-weight: 800;
}

.beta-doc-section__desc {
  margin: 0 0 12px;
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
}

/* ── Single-column grid for form fields ── */
.beta-doc-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.beta-doc-grid--two {
  margin-top: 14px;
}

/* ── Text field (Word underline style) ── */
.beta-text-field {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.beta-text-field__label {
  font-size: 14px;
  font-weight: 700;
  color: #1e1e1e;
  white-space: nowrap;
  flex-shrink: 0;
}

.beta-text-field__label::after {
  content: "：";
}

.beta-text-field__input {
  flex: 1;
  min-width: 0;
  border: 0;
  border-bottom: 1px solid #c5beb2;
  outline: none;
  background: transparent;
  padding: 2px 0;
  font-size: 14px;
  font-family: inherit;
  color: #1e1e1e;
  line-height: 1.8;
  transition: border-color 140ms ease;
}

.beta-text-field__input::placeholder {
  color: #c4c4c4;
  font-size: 13px;
}

.beta-text-field__input:focus {
  border-bottom-color: #166534;
  border-bottom-width: 2px;
  margin-bottom: -1px;
}

.beta-text-field__input[readonly] {
  color: #6b7280;
  cursor: default;
}

/* ── Form group (spans full row when needed) ── */
.beta-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.beta-form-group--full {
  grid-column: 1 / -1;
}

.beta-form-group__label {
  font-size: 14px;
  font-weight: 700;
  color: #1e1e1e;
}

.beta-form-group__label::after {
  content: "：";
}

/* ── Radio group ── */
.beta-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.beta-radio {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  font-size: 14px;
  color: #374151;
  padding: 3px 0;
  user-select: none;
}

.beta-radio input[type="radio"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid #b8b0a4;
  border-radius: 50%;
  margin: 0;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 120ms ease, background 120ms ease;
}

.beta-radio input[type="radio"]:checked {
  border-color: #166534;
  background: #166534;
  box-shadow: inset 0 0 0 3px #ffffff;
}

.beta-radio:hover input[type="radio"] {
  border-color: #166534;
}

.beta-radio span {
  line-height: 1.5;
}

/* ── Checkbox group ── */
.beta-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.beta-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  font-size: 14px;
  color: #374151;
  padding: 3px 0;
  user-select: none;
}

.beta-checkbox input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid #b8b0a4;
  border-radius: 3px;
  margin: 0;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 120ms ease, background 120ms ease;
}

.beta-checkbox input[type="checkbox"]:checked {
  border-color: #166534;
  background: #166534;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.beta-checkbox:hover input[type="checkbox"] {
  border-color: #166534;
}

.beta-checkbox span {
  line-height: 1.5;
}

/* ── Textarea ── */
.beta-textarea {
  width: 100%;
  min-height: 140px;
  resize: vertical;
  border: 1px solid #c5beb2;
  border-radius: 4px;
  outline: none;
  background: #ffffff;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  color: #1e1e1e;
  line-height: 1.8;
  transition: border-color 140ms ease;
  box-sizing: border-box;
}

.beta-textarea::placeholder {
  color: #c4c4c4;
}

.beta-textarea:focus {
  border-color: #166534;
  box-shadow: 0 0 0 2px rgba(22, 101, 52, 0.1);
}

/* ── Rules list ── */
.beta-rules-list {
  margin: 0 0 18px;
  padding-left: 22px;
}

.beta-rules-list li {
  font-size: 14px;
  color: #374151;
  line-height: 1.9;
  margin-bottom: 4px;
}

.beta-rules-list li strong {
  color: #166534;
}

/* ── Agreement checkbox row ── */
.beta-agree-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: #166534;
  user-select: none;
}

.beta-agree-row input[type="checkbox"] {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid #b8b0a4;
  border-radius: 3px;
  margin-top: 2px;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 120ms ease, background 120ms ease;
}

.beta-agree-row input[type="checkbox"]:checked {
  border-color: #166534;
  background: #166534;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}

/* ── Footer ── */
.beta-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 36px 20px;
  border-top: 1px solid #e0dbd2;
  flex-shrink: 0;
  background: #f5f1ea;
}

.beta-modal-footer__message {
  flex: 1;
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

.beta-modal-footer__message--success {
  color: #166534;
}

.beta-modal-footer__message--error {
  color: #dc2626;
}

.beta-modal-footer__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 24px;
  border: 0;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 120ms ease, transform 120ms ease;
}

.beta-modal-footer__btn:active {
  transform: scale(0.97);
}

.beta-modal-footer__btn--secondary {
  background: #e8e3d9;
  color: #5c5348;
}

.beta-modal-footer__btn--secondary:hover {
  background: #dbd4c7;
}

.beta-modal-footer__btn--primary {
  background: #166534;
  color: #ffffff;
}

.beta-modal-footer__btn--primary:hover {
  background: #14532d;
}