/* ============================================================
   Agreement Modal — 协议弹窗样式
   前缀: ag-
   ============================================================ */

:root {
  --ag-overlay-bg: rgba(0, 0, 0, 0.45);
  --ag-modal-bg: #ffffff;
  --ag-modal-radius: 16px;
  --ag-modal-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  --ag-modal-max-width: 560px;
  --ag-modal-max-height: 85vh;
  --ag-header-height: 56px;
  --ag-footer-height: 72px;
  --ag-text-primary: #1e293b;
  --ag-text-secondary: #64748b;
  --ag-border: #e2e8f0;
  --ag-accent: var(--accent-blue, #1E40AF);
  --ag-accent-hover: #1e3a8a;
  --ag-btn-disabled-bg: #e2e8f0;
  --ag-btn-disabled-text: #94a3b8;
  --ag-tab-active-bg: var(--accent-blue, #1E40AF);
  --ag-tab-inactive-bg: #f1f5f9;
}

/* Overlay */
.ag-overlay {
  position: fixed;
  inset: 0;
  z-index: 10040;
  background: var(--ag-overlay-bg);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.ag-overlay.ag-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Modal Container */
.ag-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  z-index: 10041;
  width: calc(100% - 32px);
  max-width: var(--ag-modal-max-width);
  max-height: var(--ag-modal-max-height);
  background: var(--ag-modal-bg);
  border-radius: var(--ag-modal-radius);
  box-shadow: var(--ag-modal-shadow);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.ag-modal.ag-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

/* Header */
.ag-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--ag-header-height);
  padding: 0 20px;
  border-bottom: 1px solid var(--ag-border);
  flex-shrink: 0;
}

.ag-header-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ag-text-primary);
}

.ag-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ag-text-secondary);
  font-size: 18px;
  transition: background 0.15s;
}

.ag-close-btn:hover {
  background: #f1f5f9;
}

/* Tabs */
.ag-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 20px 0;
  flex-shrink: 0;
}

.ag-tab {
  padding: 6px 16px;
  border: none;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  background: var(--ag-tab-inactive-bg);
  color: var(--ag-text-secondary);
}

.ag-tab.ag-tab-active {
  background: var(--ag-tab-active-bg);
  color: #ffffff;
}

.ag-tab:hover:not(.ag-tab-active) {
  background: #e2e8f0;
}

/* Content */
.ag-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ag-text-primary);
  -webkit-overflow-scrolling: touch;
}

.ag-content h2 {
  font-size: 15px;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--ag-text-primary);
}

.ag-content h2:first-child {
  margin-top: 4px;
}

.ag-content p {
  margin: 0 0 10px;
}

.ag-content ul {
  margin: 0 0 10px;
  padding-left: 20px;
}

.ag-content li {
  margin-bottom: 4px;
}

.ag-content strong {
  font-weight: 600;
}

.ag-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--ag-text-secondary);
  font-size: 14px;
}

.ag-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 200px;
  color: var(--ag-text-secondary);
}

.ag-error-retry {
  padding: 6px 16px;
  border: 1px solid var(--ag-border);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  color: var(--ag-accent);
}

/* Scroll hint */
.ag-scroll-hint {
  text-align: center;
  padding: 6px 20px;
  font-size: 12px;
  color: var(--ag-text-secondary);
  border-top: 1px solid var(--ag-border);
  flex-shrink: 0;
  transition: opacity 0.2s;
}

.ag-scroll-hint.ag-hidden {
  display: none;
}

/* Footer */
.ag-footer {
  padding: 12px 20px 16px;
  border-top: 1px solid var(--ag-border);
  flex-shrink: 0;
}

.ag-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.ag-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--ag-text-primary);
  line-height: 1.4;
}

.ag-checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 1px;
  accent-color: var(--ag-accent);
  flex-shrink: 0;
  cursor: pointer;
}

.ag-confirm-btn {
  width: 100%;
  padding: 10px 0;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  background: var(--ag-accent);
  color: #ffffff;
}

.ag-confirm-btn:hover:not(:disabled) {
  background: var(--ag-accent-hover);
}

.ag-confirm-btn:disabled {
  background: var(--ag-btn-disabled-bg);
  color: var(--ag-btn-disabled-text);
  cursor: not-allowed;
}

/* View mode — 隐藏勾选和按钮 */
.ag-footer-view {
  padding: 12px 20px;
  text-align: center;
}

.ag-footer-view .ag-close-text-btn {
  padding: 8px 24px;
  border: 1px solid var(--ag-border);
  border-radius: 10px;
  background: transparent;
  font-size: 14px;
  cursor: pointer;
  color: var(--ag-text-primary);
  transition: background 0.15s;
}

.ag-footer-view .ag-close-text-btn:hover {
  background: #f8fafc;
}

/* Responsive — 窄侧边栏 */
@media (max-width: 400px) {
  .ag-modal {
    width: calc(100% - 16px);
    max-height: 90vh;
    border-radius: 12px;
  }

  .ag-content {
    padding: 12px 16px;
    font-size: 13px;
  }

  .ag-header {
    padding: 0 16px;
  }

  .ag-footer {
    padding: 10px 16px 14px;
  }
}