/* 統一保存モーダル - DRAWING TOOLS */
:root {
  --sem-bg: #ffffff;
  --sem-border: #111111;
  --sem-text: #111111;
  --sem-muted: #666666;
  --sem-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  --sem-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

#saveExportModalOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s;
  user-select: none;
  -webkit-user-select: none;
}

#saveExportModalOverlay.show {
  opacity: 1;
  visibility: visible;
}

.sem-modal-card {
  background: #ffffff;
  border: 2px solid #111111;
  border-radius: 0px;
  width: 340px;
  max-width: calc(100vw - 32px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.16);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: var(--sem-font);
  color: #111111;
}

.sem-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #111111;
  color: #ffffff;
}

.sem-modal-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sem-modal-close {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
  font-weight: 700;
}

.sem-modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.sem-modal-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sem-hint-text {
  font-size: 11px;
  color: var(--sem-muted);
  font-weight: 600;
  line-height: 1.4;
}

.sem-btn-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sem-format-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: #ffffff;
  border: 1.5px solid #111111;
  border-radius: 0px;
  font-family: var(--sem-font);
  font-size: 12px;
  font-weight: 700;
  color: #111111;
  cursor: pointer;
  transition: all 0.1s ease;
  text-align: left;
}

.sem-format-btn:hover {
  background: #111111;
  color: #ffffff;
}

.sem-format-btn:active {
  transform: scale(0.99);
}

.sem-badge {
  font-family: var(--sem-mono);
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border: 1px solid #111111;
  letter-spacing: 0.05em;
}

.sem-format-btn:hover .sem-badge {
  border-color: #ffffff;
  background: #ffffff;
  color: #111111;
}

/* ポータル戻るミニマルバッジ（各ツール画面上部に配置可能） */
.back-to-portal-btn {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  background: #ffffff;
  border: 1.5px solid #111111;
  color: #111111;
  text-decoration: none;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: 0px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  font-family: var(--sem-font);
  transition: all 0.15s ease;
}

.back-to-portal-btn:hover {
  background: #111111;
  color: #ffffff;
}