:root {
  /* Telisia Works Brand Theme (Dark + Orange) */
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #1a1a22;
  --bg4: #22222c;
  --text: #e8e8e8;
  --text2: #999;
  --accent: #f0a040;
  --accent2: #ff6030;
  --btn-num: #1f1f28;
  --btn-op: #f0a040;
  --btn-fn: #2a2a35;
  --btn-eq: #f0a040;
  --display-bg: #000;
  --display-text: #fff;
  --border: rgba(42,34,24,0.12);
  /* [v1.0.0] 計算機パネル専用の背景色（個別変更可、未指定なら --bg2 を継承） */
  --calc-panel-bg: var(--bg2);
  --shadow: rgba(42,34,24,0.4);
  --slot-bg: #15151c;
  --tab-bg: #1a1a22;
  --tab-active: #f0a040;
  --tab-active-text: #fff;
  --danger: #a14242;
  --success: #6b8e6f;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* === セキュリティ・プライバシーの方針 === */
.security-section {
  max-width: 1100px;
  margin: 20px auto;
  background: linear-gradient(135deg, rgba(107,142,111,0.12), rgba(107,142,111,0.04));
  border: 1px solid rgba(107,142,111,0.28);
  border-radius: 14px;
  padding: 24px;
}
.security-head { margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid rgba(107,142,111,0.22); }
.security-head h2 { font-size: 1.1rem; color: var(--success); }
.security-head .sub { color: var(--text2); font-size: 0.82rem; margin-top: 2px; }
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.security-item {
  background: var(--bg3);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 9px;
  padding: 14px;
}
.security-item h4 { font-size: 0.86rem; margin-bottom: 5px; color: var(--success); }
.security-item p { font-size: 0.8rem; color: var(--text2); line-height: 1.6; }
.security-promise {
  background: rgba(107,142,111,0.10);
  border-left: 3px solid var(--success);
  padding: 12px 16px;
  border-radius: 5px;
  font-size: 0.84rem;
  color: var(--text);
  line-height: 1.65;
}
.security-promise .label {
  display: inline-block;
  background: var(--success);
  color: #fff8ec;
  padding: 2px 9px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  margin-right: 8px;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}
/* Prevent double-tap zoom on interactive elements */
button, .calc-btn, .main-tab, .tab, .btn-sm, .btn-md, .save-mode-btn,
input[type="button"], input[type="submit"], a {
  touch-action: manipulation;
}
/* Prevent iOS auto-zoom when focusing inputs (min 16px)
   [v1.0.0] !important で他のCSSによる上書きを防ぎ、テキスト入力時のズームも確実に防ぐ */
input, select, textarea {
  font-size: 16px !important;
}
/* type別にも明示（一部のスマホブラウザでテキスト入力時のみ自動ズームする挙動への対策） */
input[type="text"], input[type="number"], input[type="search"],
input[type="tel"], input[type="url"], input[type="email"],
input[type="password"], input[type="date"] {
  font-size: 16px !important;
}
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
header h1 {
  font-family: "Cormorant Garamond", "Yu Mincho", serif;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text);
}
.header-actions { display: flex; gap: 8px; align-items: center; }
/* [v2.2.7] Auto-save indicator */
.save-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text2);
  padding: 4px 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  user-select: none;
  transition: all 0.2s ease;
}
.save-indicator .save-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6cd66b;
  box-shadow: 0 0 0 0 rgba(107, 142, 111, 0.5);
}
.save-indicator.saving {
  border-color: var(--accent);
  color: var(--accent);
}
.save-indicator.saving .save-dot {
  background: var(--accent);
  animation: savePulse 0.6s ease;
}
@keyframes savePulse {
  0%   { box-shadow: 0 0 0 0 rgba(200, 84, 30, 0.55); transform: scale(1); }
  70%  { box-shadow: 0 0 0 7px rgba(200, 84, 30, 0); transform: scale(1.4); }
  100% { box-shadow: 0 0 0 0 rgba(200, 84, 30, 0); transform: scale(1); }
}
@media (max-width: 600px) {
  .save-indicator .save-text { display: none; }
  .save-indicator { padding: 6px; }
}
.header-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.header-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.site-link {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.82rem;
  font-family: "Cormorant Garamond", "Yu Mincho", serif;
  letter-spacing: 0.12em;
  transition: all 0.2s;
}
.site-link .em { color: #c8541e; }
.site-link:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* === [v2] Custom Buttons Palette === */
.custom-buttons-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
}
.cb-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.cb-section-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.cb-section-title .cb-hint {
  color: var(--text2);
  font-weight: normal;
  font-size: 0.75rem;
}
.cb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 50px;
  align-items: center;
}
.cb-empty {
  color: var(--text2);
  font-size: 0.8rem;
  padding: 8px 0;
}
.cb-actions {
  display: flex;
  gap: 6px;
}
.cb-item {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  min-width: 90px;
  max-width: 180px;
  background: var(--bg3);
  border: 1.5px solid var(--accent);
  border-radius: 10px;
  padding: 8px 12px 6px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, border-color 0.15s, color 0.15s;
  text-align: center;
  color: var(--text);
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.cb-item:active {
  transform: scale(0.96);
  filter: brightness(1.1);
}
@media (hover: hover) {
  .cb-item:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(42,34,24,0.2);
  }
}
.cb-item .cb-label {
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.cb-item .cb-value {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.cb-item .cb-trash {
  display: none;
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 0.85rem;
  pointer-events: none;
}

/* [v2.2.5] Delete (cleanup) mode visuals */
.cb-list.delete-mode .cb-item {
  border-color: var(--danger);
  background: rgba(161,66,66,0.12);
  color: var(--text);
  animation: cbWiggle 0.6s ease-in-out infinite alternate;
}
@media (hover: hover) {
  .cb-list.delete-mode .cb-item:hover {
    background: var(--danger);
    color: #fff;
    transform: translateY(-2px);
  }
}
.cb-list.delete-mode .cb-item .cb-trash {
  display: block;
}
@keyframes cbWiggle {
  from { transform: rotate(-1.2deg); }
  to   { transform: rotate(1.2deg); }
}

#cbDeleteModeBtn.btn-primary {
  background: var(--danger) !important;
  border-color: var(--danger) !important;
  color: #fff !important;
}

/* "Save result as button" action inside slot/history */
.to-button-btn {
  background: rgba(200,84,30,0.15);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.72rem;
  cursor: pointer;
  margin-left: 4px;
}
.to-button-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* === [v2] Theme/Background Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(42,34,24,0.6);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open {
  display: flex;
}
.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  position: relative;
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.modal-section {
  margin-bottom: 24px;
}
.modal-section-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
.theme-presets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}
.theme-preset-card {
  cursor: pointer;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  background: var(--bg3);
  text-align: center;
  transition: all 0.15s;
}
.theme-preset-card:hover {
  transform: translateY(-2px);
}
.theme-preset-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(200,84,30,0.3);
}
.theme-preview {
  display: flex;
  gap: 3px;
  margin-bottom: 6px;
  height: 30px;
  border-radius: 6px;
  overflow: hidden;
}
.theme-preview span {
  flex: 1;
}
.theme-preset-name {
  font-size: 0.8rem;
  font-weight: 600;
}
.custom-color-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.custom-color-row:last-child { border-bottom: none; }
.custom-color-row label {
  font-size: 0.85rem;
}
.custom-color-row input[type="color"] {
  width: 50px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  padding: 2px;
  background: var(--bg3);
}
.bg-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.bg-upload-btn {
  display: inline-block;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  border: none;
  font-size: 0.9rem;
}
.bg-upload-btn:hover { opacity: 0.9; }
.bg-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.bg-slider-row label {
  font-size: 0.85rem;
  min-width: 90px;
}
.bg-slider-row input[type="range"] {
  flex: 1;
}
.bg-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.bg-preview {
  width: 100%;
  height: 120px;
  background: var(--bg3);
  border-radius: 10px;
  border: 1px dashed var(--border);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  font-size: 0.8rem;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 16px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
  position: sticky;
  bottom: -24px;
  background: var(--bg2);
  padding-bottom: 8px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  padding: 10px 22px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 22px;
  border-radius: 10px;
  cursor: pointer;
}
.btn-outline:hover { background: var(--bg3); }

/* [v2.2.4] Tap numpad - slides up from bottom for non-standard tabs */
.tap-numpad {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg2);
  border-top: 2px solid var(--accent);
  border-radius: 16px 16px 0 0;
  padding: 10px 12px 14px;
  z-index: 500;
  transform: translateY(110%);
  transition: transform 0.25s ease;
  box-shadow: 0 -8px 24px rgba(42,34,24,0.4);
  max-width: 460px;
  margin: 0 auto;
}
.tap-numpad.open {
  transform: translateY(0);
}
/* [v2.2.6] On large screens: tnp is inline (placed inside the active tool) and always visible */
@media (min-width: 769px) {
  .tap-numpad.tnp-inline {
    position: static;
    transform: none;
    max-width: none;
    margin: 14px 0 0;
    border-radius: 12px;
    border: 1px solid var(--border);
    border-top: 2px solid var(--accent);
    box-shadow: none;
    padding: 12px;
  }
  .tap-numpad.tnp-inline .tnp-close { display: none; }
}
.tnp-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px 8px;
  font-size: 0.85rem;
  color: var(--text2);
}
.tnp-label {
  font-weight: 600;
}
#tnpFieldName {
  color: var(--accent);
  font-weight: 700;
}
.tnp-close {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 0.8rem;
}
.tnp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.tnp-grid button {
  padding: 14px 0;
  background: var(--btn-num);
  color: var(--text);
  border: none;
  border-radius: 10px;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: filter 0.1s, transform 0.05s;
}
.tnp-grid button:active {
  filter: brightness(1.2);
  transform: scale(0.96);
}
.tnp-grid button.tnp-fn {
  background: var(--btn-fn);
}
.tnp-grid button.tnp-done {
  grid-row: span 2;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
}

/* Background layer */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  pointer-events: none;
  display: none;
}
.bg-layer.active { display: block; }
/* [v2.2.6] Tool selector dropdown */
.tool-selector-wrap {
  position: relative;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
}
.tool-selector-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.tool-selector-anchor {
  position: relative;
}
.tool-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}
/* [v2.2.7] Top bar [+] [編集] [メニュー▼] */
.add-instance-top {
  font-weight: 900;
  font-size: 1.05rem;
  padding: 7px 12px;
  min-width: 36px;
  color: var(--accent);
  border: 1px dashed var(--accent);
}
.add-instance-top:hover { background: rgba(200, 84, 30, 0.15); border-style: solid; }
.add-instance-top:disabled { opacity: 0.4; cursor: not-allowed; border-color: var(--border); color: var(--text2); }
.tool-selector-row {
  gap: 8px;
}
.top-menu-wrap {
  position: relative;
}
.top-menu {
  right: 0;
  left: auto;
  min-width: 240px;
  max-height: 70vh;
  overflow-y: auto;
}
.top-menu-caret {
  font-size: 0.6rem;
  color: var(--accent);
  margin-left: 4px;
}
.more-menu-section {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding: 6px 12px 4px;
  text-transform: uppercase;
}
/* リセットボタン (replaces ⋯) */
.reset-menu-btn {
  height: 100%;
  min-height: 38px;
  padding: 0 12px;
  background: var(--bg3);
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.reset-menu-btn:hover {
  border-color: #ff8060;
  color: #ff8060;
  background: rgba(176, 74, 24, 0.08);
}
.reset-menu-btn[aria-expanded="true"] {
  border-color: #ff8060;
  color: #ff8060;
  background: rgba(176, 74, 24, 0.12);
}
/* [v2.2.7] Dropdown sections for grouped tool menu */
.tool-menu-group-head {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding: 6px 12px 4px;
  text-transform: uppercase;
}
.tool-menu-group-head:not(:first-child) {
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 8px;
}
.tool-menu-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tool-menu-item-label { flex: 1; }
.tool-menu-item .item-locked-tag {
  font-size: 0.65rem;
  color: var(--text2);
  background: var(--bg3);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}
.tool-menu-item .item-delete {
  /* [v1.0.0] 「×」アイコンから「削除」テキストボタンに変更 */
  padding: 2px 10px;
  border-radius: 4px;
  background: rgba(42,34,24,0.18);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.12s ease, color 0.12s ease;
}
.tool-menu-item .item-delete:hover {
  background: #ff5040;
  color: #fff;
}
@media (max-width: 768px) {
  .tool-selector-row { gap: 5px; }
  .tool-selector-wrap { padding: 8px 10px; }
  .tool-selector-btn { font-size: 0.82rem; min-width: 100px; padding: 6px 10px; }
  .add-instance-top { min-width: 30px; padding: 5px 8px; font-size: 1rem; }
  .header-btn { font-size: 0.78rem; padding: 5px 10px; }
  .top-menu { right: 10px; }
  .top-menu-caret { margin-left: 2px; }
}
@media (max-width: 380px) {
  .tool-selector-btn { min-width: 80px; font-size: 0.78rem; }
  .tool-selector-row { gap: 4px; }
  .header-btn { padding: 5px 8px; font-size: 0.75rem; }
}
.tool-selector-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--btn-op);
  color: var(--tab-active-text);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 700;
  min-width: 180px;
  justify-content: space-between;
  transition: all 0.18s ease;
}
.tool-selector-btn:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px var(--btn-op-soft-15);
}
.tool-selector-btn[aria-expanded="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--btn-op-soft-18);
}
.tool-selector-caret {
  font-size: 0.7rem;
  color: var(--tab-active-text);
  opacity: 0.85;
  transition: transform 0.18s ease;
  flex-shrink: 0;
  font-weight: 700;
}
.tool-selector-btn[aria-expanded="true"] .tool-selector-caret {
  transform: rotate(180deg);
}
.tool-selector-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 220px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(42, 34, 24, 0.45), 0 0 0 1px rgba(42,34,24,0.04);
  padding: 6px;
  z-index: 100;
  display: none;
  flex-direction: column;
  gap: 2px;
  max-height: 70vh;
  overflow-y: auto;
}
.tool-selector-menu.open {
  display: flex;
  animation: toolMenuFadeIn 0.18s ease;
}
@keyframes toolMenuFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.tool-menu-item {
  display: block;
  width: 100%;
  padding: 9px 14px;
  border: none;
  background: transparent;
  color: var(--text);
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.88rem;
  text-align: left;
  white-space: nowrap;
  transition: background 0.15s ease;
}
.tool-menu-item:hover {
  background: var(--btn-op-soft-12);
  color: var(--accent);
}
.tool-menu-item.active {
  background: var(--btn-op-soft-18);
  color: var(--accent);
  font-weight: 700;
}
.tool-menu-item.active::after {
  content: ' ✓';
  float: right;
  color: var(--accent);
}
.tab-content { display: none; padding: 15px; }
.tab-content.active { display: block; }
/* [v2.2.6] Instance pills row (標準電卓 + 相棒N + 相棒+) */
.instance-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
  padding: 4px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.instance-pill {
  position: relative;
  padding: 7px 16px;
  background: transparent;
  color: var(--text2);
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.instance-pill:hover {
  background: rgba(200, 84, 30, 0.08);
  color: var(--text);
}
.instance-pill.active {
  background: var(--accent);
  color: #fff8ec;
  font-weight: 800;
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(200, 84, 30, 0.3);
}
.instance-pill.add-btn {
  color: var(--accent);
  border: 1px dashed var(--accent);
  font-weight: 700;
}
.instance-pill.add-btn:hover {
  background: rgba(200, 84, 30, 0.15);
  border-style: solid;
}
.instance-pill.add-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  border-color: var(--border);
  color: var(--text2);
}
.instance-pill .pill-delete {
  display: inline-block;
  margin-left: 6px;
  width: 16px;
  height: 16px;
  line-height: 14px;
  text-align: center;
  border-radius: 50%;
  background: rgba(42,34,24,0.18);
  font-size: 0.75rem;
  cursor: pointer;
  vertical-align: middle;
  transition: all 0.12s ease;
}
.instance-pill .pill-delete:hover {
  background: #ff5040;
  color: #fff;
}
.instance-pill.active .pill-delete {
  background: rgba(42,34,24,0.22);
  color: #fff8ec;
}
.standard-locked-notice {
  display: none;
  background: rgba(200, 84, 30, 0.08);
  border: 1px solid rgba(200, 84, 30, 0.3);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.78rem;
  color: var(--text2);
  margin-bottom: 12px;
}
.standard-locked-notice.show { display: block; }
.header-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* === STANDARD CALC LAYOUT === */
.calc-layout {
  display: grid;
  /* [v1.0.0] HTMLの記述順に従い 左:計算機 / 右:履歴・スロット に統一 */
  grid-template-columns: minmax(400px, 560px) 1fr;
  gap: 15px;
  max-width: 1100px;
  margin: 0 auto;
}
.calc-left { min-width: 0; max-width: 560px; grid-column: 1; grid-row: 1; }
.calc-right { display: flex; flex-direction: column; gap: 15px; min-width: 280px; grid-column: 2; grid-row: 1; }
.panel {
  background: var(--bg2);
  border-radius: 12px;
  padding: 15px;
  border: 1px solid var(--border);
}
/* [v1.0.0] 計算機パネルだけ専用変数で背景色を独立設定可能に */
.calc-left > .panel { background: var(--calc-panel-bg); }
.panel-title {
  font-size: 0.9rem;
  font-weight: bold;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.title-input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg3);
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 8px;
}
.display {
  background: var(--display-bg);
  color: var(--display-text);
  padding: 15px;
  border-radius: 10px;
  text-align: right;
  margin-bottom: 10px;
  height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}
.display-expr {
  font-size: 0.85rem;
  color: #999;
  height: 1.4em;
  white-space: nowrap;
  overflow: hidden;          /* [v2.2.4] left-side overflow hidden via right text-align */
  text-overflow: clip;
}
.display-expr::-webkit-scrollbar { height: 0; }
.display-val {
  font-size: 2.2rem;
  font-weight: 300;
  white-space: nowrap;
  overflow: hidden;
  line-height: 1.2;
  height: 2.6rem;
  text-overflow: clip;
}
.memory-indicator {
  height: 1em;
  font-size: 0.75rem;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 6px;
}
/* [v2.2.8] Display 内のスロット保存ボタン（数式バッジと同行・右端） */
.display-slot-btn {
  margin-left: auto;
  background: var(--btn-op-soft-12, rgba(200,84,30,0.12));
  color: var(--btn-op);
  border: 1px solid var(--btn-op);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.3;
}
.display-slot-btn:hover {
  background: var(--btn-op);
  border-color: var(--btn-op);
  color: #fff8ec;
}
.display-slot-btn:active {
  transform: scale(0.95);
}
/* [v2.2.4] Larger display on mobile */
@media (max-width: 768px) {
  .display {
    height: 130px;
    padding: 14px 16px;
  }
  .display-expr {
    font-size: 0.95rem;
    height: 1.4em;
  }
  .display-val {
    font-size: 3rem;
    height: 3.5rem;
  }
  .memory-indicator {
    font-size: 0.8rem;
  }
}
.calc-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

/* === [v2.2] Dashboard Grid === */
.dashboard-grid {
  display: grid;
  /* [v1.0.0] minmax(0, 1fr) で Chrome の 1fr 計算ズレ（右端に空きが出る）を回避 */
  grid-template-columns: repeat(5, minmax(0, 1fr));
  grid-auto-rows: 60px;
  gap: 6px;
  position: relative;
}
.dashboard-grid .widget {
  /* Keep the calc-btn look; grid position set via inline style */
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  position: relative;
}
/* Edit mode overlay & visuals */
body.dash-editing .dashboard-grid {
  /* Empty-cell hint via dynamic CSS variables */
  background-image:
    linear-gradient(to right, rgba(200,84,30,0.18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200,84,30,0.18) 1px, transparent 1px);
  background-size: var(--cell-step-x, 66px) var(--cell-step-y, 66px);
  background-position: 3px 3px;
  padding: 3px;
  border: 1.5px dashed rgba(200,84,30,0.4);
  border-radius: 10px;
  min-height: 240px;
}
body.dash-editing .dashboard-grid .widget {
  cursor: grab;
  outline: 2px solid rgba(200,84,30,0.5);
  outline-offset: -2px;
  opacity: 0.95;
  transition: outline-color 0.15s, opacity 0.15s, transform 0.15s, box-shadow 0.15s;
  /* [v2.2.4] Prevent native scroll/zoom while dragging widgets on touch devices */
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}
/* During an active drag, lock the body scroll on touch */
body.dash-dragging {
  touch-action: none;
  overflow: hidden;
}
body.dash-editing .dashboard-grid .widget:hover {
  outline-color: var(--accent);
  opacity: 1;
}
body.dash-editing .dashboard-grid .widget.dragging {
  z-index: 1000;
  cursor: grabbing;
  opacity: 0.92;
  box-shadow: 0 14px 40px rgba(42,34,24,0.5), 0 0 0 2px var(--accent);
  outline: none;
  transform: scale(1.05);
  transition: none;  /* Position changes shouldn't animate while dragging */
}
body.dash-editing .dashboard-grid .widget.resizing {
  outline: 3px solid var(--accent);
}

/* [v2.2.2] Placeholder showing where the widget will land */
.dash-placeholder {
  background: rgba(200,84,30,0.18);
  border: 2.5px dashed var(--accent);
  border-radius: 10px;
  pointer-events: none;
  z-index: 5;
  animation: phPulse 1.2s ease-in-out infinite;
}
@keyframes phPulse {
  0%, 100% { background: rgba(200,84,30,0.15); }
  50% { background: rgba(200,84,30,0.3); }
}
/* Swap target highlight */
.dash-placeholder.swap-target {
  background: rgba(106,124,154,0.25);
  border-color: #408cff;
  animation: swapPulse 0.8s ease-in-out infinite;
}
@keyframes swapPulse {
  0%, 100% { background: rgba(106,124,154,0.18); }
  50% { background: rgba(106,124,154,0.35); }
}
.dashboard-grid .widget.swap-candidate {
  outline: 3px solid #408cff !important;
  background: rgba(106,124,154,0.15);
}

/* [v2.2.2] Larger resize handle with glow */
.widget .resize-handle {
  display: none;
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 30px;
  height: 30px;
  background:
    linear-gradient(135deg, transparent 50%, var(--accent) 50%);
  cursor: nwse-resize;
  border-radius: 0 0 12px 0;
  z-index: 10;
  touch-action: none;
  box-shadow: -1px -1px 6px rgba(200,84,30,0.5);
  transition: box-shadow 0.15s, transform 0.15s;
}
.widget .resize-handle::after {
  /* Visible "diagonal lines" hint */
  content: '';
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 14px;
  height: 14px;
  background-image:
    linear-gradient(135deg, transparent 30%, #fff 30%, #fff 35%, transparent 35%,
                    transparent 55%, #fff 55%, #fff 60%, transparent 60%,
                    transparent 80%, #fff 80%, #fff 85%, transparent 85%);
}
body.dash-editing .widget .resize-handle {
  display: block;
}
.widget .resize-handle:hover {
  box-shadow: -2px -2px 12px rgba(200,84,30,0.9);
  transform: scale(1.1);
}
.widget .widget-remove {
  display: none;
  position: absolute;
  top: -8px;
  left: -8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--danger);
  color: #fff;
  border: 2px solid var(--bg);
  font-size: 14px;
  line-height: 18px;
  padding: 0;
  cursor: pointer;
  z-index: 11;
  font-weight: bold;
}
body.dash-editing .widget .widget-remove {
  display: block;
}
/* Disable button clicks in edit mode */
body.dash-editing .dashboard-grid .widget {
  pointer-events: auto;
}
body.dash-editing .dashboard-grid .widget:active {
  transform: none;
  filter: none;
}
body.dash-editing .dashboard-grid .widget.dragging:active,
body.dash-editing .dashboard-grid .widget.resizing:active {
  transform: scale(1.03);
}
/* Dashboard toolbar (only visible in edit mode) */
.dash-toolbar {
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: rgba(200,84,30,0.08);
  border: 1px solid var(--accent);
  border-radius: 10px;
}
body.dash-editing .dash-toolbar {
  display: flex;
}
.dash-toolbar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.dash-info {
  flex: 1;
  font-size: 0.8rem;
  color: var(--text);
  min-width: 200px;
}
.dash-toolbar-label {
  font-size: 0.8rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 4px;
}
.dash-toolbar-label select {
  font-size: 0.8rem;
  padding: 3px 6px;
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}

/* [v2.2.1] Palette (only visible in edit mode) */
.palette-section {
  display: none;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--bg2);
  border: 1px dashed var(--border);
  border-radius: 10px;
}
body.dash-editing .palette-section { display: block; }
.palette-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.palette-hint {
  font-size: 0.75rem;
  color: var(--text2);
  font-weight: normal;
  margin-left: 4px;
}
.palette-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.palette-item {
  padding: 8px 14px;
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  user-select: none;
  transition: all 0.15s;
  touch-action: none;
}
.palette-item:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-1px);
}
.palette-item.dragging-from-palette {
  opacity: 0.5;
  transform: scale(0.95);
}
.palette-item .pi-icon {
  display: inline-block;
  min-width: 1.5em;
  text-align: center;
  font-weight: 700;
  margin-right: 4px;
}
/* Hide edit button's visual-active state on normal mode; highlight when editing */
body.dash-editing #editModeBtn {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.calc-btn {
  padding: 18px 8px;
  border: none;
  border-radius: 10px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
  color: var(--text);
}
.calc-btn:active { transform: scale(0.95); filter: brightness(0.85); }
.calc-btn.num { background: var(--btn-num); }
.calc-btn.op { background: var(--btn-op); color: #fff; }
.calc-btn.fn { background: var(--btn-fn); }
.calc-btn.eq { background: var(--btn-eq); color: #fff; }
.calc-btn.wide { grid-column: span 2; }
/* [v1.0.0] 中サイズウィンドウ（769〜1100px）向けスケールダウン
   別ウィンドウで小さめに開いた時にPCレイアウトが大きすぎる対策 */
@media (min-width: 769px) and (max-width: 1100px) {
  /* ベースフォント縮小で rem ベースの全要素（ヘルプ文字・パネルタイトル・各種ボタン等）を連動縮小 */
  html { font-size: 14.5px; }
  .calc-layout {
    grid-template-columns: minmax(320px, 440px) 1fr;
    gap: 8px;
  }
  .calc-left { max-width: 440px; }
  .calc-right { min-width: 220px; gap: 8px; }
  .panel { padding: 10px; border-radius: 10px; }
  .panel-title { font-size: 0.8rem; margin-bottom: 6px; }
  .calc-btn {
    padding: 9px 3px;
    font-size: 0.98rem;
    border-radius: 7px;
  }
  .display { height: 84px; padding: 10px; }
  .display-val { font-size: 1.7rem; height: 2rem; }
  .display-expr { font-size: 0.74rem; }
  .title-input { padding: 5px 8px; font-size: 0.82rem; margin-bottom: 5px; }
  .display-slot-btn { padding: 1px 6px; font-size: 0.66rem; }
  .calc-mode-badge { font-size: 0.68rem; }
  .header-btn, .top-menu-btn { font-size: 0.78rem; padding: 5px 10px; }
  .add-instance-top { font-size: 0.95rem; padding: 5px 9px; min-width: 30px; }
  /* [v1.0.0] 左右配置はベースで指定済み（全サイズ共通で電卓を右） */
}
.paren-pair {
  display: flex;
  gap: 3px;
}
.calc-btn.paren-half {
  flex: 1;
  font-size: 1rem;
  padding: 10px 2px;
}
.history-item-actions, .slot-item-actions {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.item-action-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text2);
  font-size: 0.7rem;
  padding: 2px 8px;
  cursor: pointer;
}
.item-action-btn:hover { background: var(--bg4); }
.item-action-btn.del { color: var(--danger); }
/* Custom value slots */
.custom-slots {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.custom-slot {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 70px;
}
.cs-label {
  width: 100%;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 6px 6px 0 0;
  background: var(--bg3);
  color: var(--text2);
  font-size: 0.7rem;
  text-align: center;
}
.cs-value {
  width: 100%;
  padding: 5px 6px;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 6px 6px;
  background: var(--bg2);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: bold;
  text-align: center;
  cursor: pointer;
}
.cs-value:hover { background: var(--bg3); }
.cs-add-btn {
  display: block;
  width: 100%;
  padding: 4px;
  border: 1px dashed var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text2);
  font-size: 0.8rem;
  cursor: pointer;
  margin-bottom: 8px;
}
.cs-add-btn:hover { background: var(--bg3); }
.custom-slot.editing {
  position: relative;
}
.custom-slot.editing .cs-value {
  outline: 2px solid var(--accent);
  background: rgba(161, 66, 66, 0.1);
  cursor: text;
}
.cs-value-row {
  display: flex;
  gap: 2px;
  align-items: stretch;
}
.cs-value-row .cs-value {
  flex: 1;
  border-radius: 0 0 0 6px;
}
.cs-edit-btn {
  width: 22px;
  border: 1px solid var(--border);
  border-top: none;
  border-left: none;
  border-radius: 0 0 6px 0;
  background: var(--bg2);
  color: var(--text2);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0;
}
.cs-edit-btn:hover { background: var(--bg3); color: var(--accent); }
.custom-slot.editing .cs-edit-btn {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.custom-slot.editing::after {
  content: '入力中';
  position: absolute;
  top: -6px;
  right: -4px;
  background: var(--accent);
  color: #fff;
  font-size: 0.6rem;
  padding: 1px 6px;
  border-radius: 8px;
  font-weight: bold;
}

/* Title dropdown */
.title-wrap { position: relative; margin-bottom: 8px; }
.title-wrap .title-input { margin-bottom: 0; padding-right: 32px; }
.title-dropdown-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  font-size: 0.7rem;
  padding: 4px 6px;
}
.title-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  z-index: 50;
  box-shadow: 0 4px 16px rgba(42,34,24,0.15);
  max-height: 280px;
  overflow-y: auto;
}
.title-dropdown.open { display: block; }
.title-preset {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
  align-items: stretch;
}
/* [v2.2.7] Click-to-apply label */
.title-preset-label {
  flex: 1;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg3);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.12s ease;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.title-preset-label:hover {
  border-color: var(--accent);
  background: rgba(200, 84, 30, 0.1);
  color: var(--accent);
}
.title-preset-label.empty {
  color: var(--text2);
  font-style: italic;
  background: transparent;
  border-style: dashed;
}
.title-preset-edit-input {
  flex: 1;
  padding: 6px 9px;
  border: 1px solid var(--accent);
  border-radius: 5px;
  background: var(--bg3);
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
}
.preset-delete-btn {
  background: var(--bg3);
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: 5px;
  width: 32px;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 700;
  transition: all 0.12s ease;
  flex-shrink: 0;
}
.preset-delete-btn:hover {
  background: #ff5040;
  color: #fff;
  border-color: #ff5040;
}
.title-add-btn {
  width: 100%;
  padding: 5px;
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--text2);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  margin-top: 4px;
}

/* Data actions [legacy — replaced by .more-menu in v2.2.6] */
.data-actions {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}
.data-actions .btn-sm { flex: 1; }

/* [v2.2.6] Title row with title input + ⋯ menu */
.title-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
  margin-bottom: 10px;
}
.title-row .title-wrap {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
}
/* [v2.2.6] More-options menu (⋯) */
.more-menu-wrap {
  position: relative;
  flex-shrink: 0;
}
.more-menu-btn {
  width: 38px;
  height: 100%;
  min-height: 38px;
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  letter-spacing: 0.1em;
  font-weight: 700;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.more-menu-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200, 84, 30, 0.08);
}
.more-menu-btn[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200, 84, 30, 0.12);
}
.more-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(42, 34, 24, 0.45), 0 0 0 1px rgba(42,34,24,0.04);
  padding: 6px;
  z-index: 50;
  display: none;
  flex-direction: column;
  gap: 2px;
}
.more-menu.open {
  display: flex;
  animation: toolMenuFadeIn 0.18s ease;
}
.more-menu-item {
  display: block;
  width: 100%;
  padding: 9px 14px;
  border: none;
  background: transparent;
  color: var(--text);
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.85rem;
  text-align: left;
  white-space: nowrap;
  transition: background 0.15s ease;
}
.more-menu-item:hover {
  background: rgba(200, 84, 30, 0.12);
  color: var(--accent);
}
.more-menu-item.danger {
  color: #ff8060;
}
.more-menu-item.danger:hover {
  background: rgba(176, 74, 24, 0.14);
  color: #ff6030;
}
.more-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 6px;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(42,34,24,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-content {
  background: var(--bg2);
  border-radius: 12px;
  padding: 20px;
  max-width: 480px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  border: 1px solid var(--border);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.modal-header h3 { font-size: 1.1rem; }
.modal-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}
.modal-section {
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.modal-section h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}
.modal-desc {
  font-size: 0.8rem;
  color: var(--text2);
  margin-bottom: 10px;
}
.modal-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.btn-md {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg3);
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-md:hover { background: var(--bg4); }

/* Split payer rows */
.split-payers { display: flex; flex-direction: column; gap: 6px; margin-bottom: 6px; }
.split-payer-row {
  display: grid;
  /* [v1.0.0] 60px固定で select の幅を制限し、枠からのはみ出しを防ぐ */
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) 60px 26px;
  gap: 4px;
  align-items: center;
}
.split-payer-row input, .split-payer-row select {
  /* [v1.0.0] grid セル内で子要素が縮まないと枠を突き抜けるため明示 */
  min-width: 0;
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg3);
  color: var(--text);
  font-size: 0.85rem;
}
.split-payer-row .del-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--danger);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
}
.split-breakdown {
  margin-top: 10px;
  padding: 10px;
  background: var(--bg3);
  border-radius: 8px;
  font-size: 0.85rem;
}
.split-breakdown:empty { display: none; }
.split-bd-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  border-bottom: 1px solid var(--border);
}
.split-bd-row:last-child { border-bottom: none; }
.split-bd-total {
  font-weight: bold;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 2px solid var(--border);
}
.calc-btn.sign-swap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.1;
  padding: 6px 4px;
}
.swap-icon { font-size: 1.1rem; }
.swap-label { font-size: 0.65rem; }
.calc-btn.minus-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.1;
  padding: 6px 4px;
}
.minus-sign { font-size: 1.3rem; font-weight: bold; }
.minus-label { font-size: 0.55rem; }
.memory-indicator {
  font-size: 0.75rem;
  color: var(--accent);
  min-height: 1em;
  text-align: left;
  margin-bottom: 2px;
}
.gt-indicator {
  font-size: 0.7rem;
  color: var(--text2);
  display: inline-block;
  margin-left: 8px;
}
/* [v2.2.6] 計算方式バッジ */
.calc-mode-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(200, 84, 30, 0.12);
  border: 1px solid rgba(200, 84, 30, 0.5);
  border-radius: 6px;
  padding: 2px 7px;
  cursor: pointer;
  user-select: none;
  transition: all 0.18s ease;
  letter-spacing: 0.04em;
  vertical-align: middle;
}
.calc-mode-badge:hover {
  background: rgba(200, 84, 30, 0.25);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.calc-mode-badge:active {
  transform: translateY(0);
}
.calc-mode-badge.flash {
  animation: calcModeFlash 0.4s ease;
}
@keyframes calcModeFlash {
  0%   { transform: scale(1);   background: rgba(200, 84, 30, 0.12); }
  50%  { transform: scale(1.15); background: rgba(176, 74, 24, 0.4); }
  100% { transform: scale(1);   background: rgba(200, 84, 30, 0.12); }
}
/* [v2.2.6] トースト通知 */
.toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.toast {
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--accent);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(42, 34, 24, 0.18), 0 0 0 1px rgba(42,34,24,0.04);
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-width: 90vw;
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
/* [v2.2.6] Reverse calculator: 記述例 (placed below tnp on PC) */
.reverse-examples {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}
.rev-ex-head {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.rev-ex-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
}
.rev-ex-grid .btn-sm {
  font-size: 0.78rem;
  padding: 6px 10px;
  text-align: center;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.rev-ex-grid .btn-sm:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200, 84, 30, 0.08);
}
@media (max-width: 768px) {
  .rev-ex-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}
.reverse-help {
  font-size: 0.75rem;
  color: var(--text2);
  margin-top: 14px;
  line-height: 1.7;
  background: var(--bg3);
  border-left: 3px solid var(--accent);
  padding: 8px 12px;
  border-radius: 4px;
}
.reverse-help code {
  background: rgba(200, 84, 30, 0.15);
  color: var(--accent);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.92em;
}
.result-fraction {
  font-size: 0.9rem;
  color: var(--accent2);
  margin-top: 4px;
  font-weight: 600;
}
/* [v2.2.6] Math tnp variant (6 columns, with function buttons) */
.tnp-grid.tnp-grid-math {
  grid-template-columns: repeat(6, 1fr);
  gap: 5px;
}
.tnp-grid.tnp-grid-math button {
  font-size: 1rem;
  padding: 12px 0;
  font-weight: 600;
}
.tnp-grid.tnp-grid-math .tnp-fn {
  background: var(--bg3);
  color: var(--text2);
  font-size: 0.85rem;
  font-weight: 700;
}
.tnp-grid.tnp-grid-math .tnp-op {
  background: linear-gradient(135deg, #f0a040, #ff6030);
  color: #fff8ec;
  font-weight: 900;
}
.tnp-grid.tnp-grid-math .tnp-special {
  background: rgba(200, 84, 30, 0.18);
  color: var(--accent);
  font-weight: 700;
}
.tnp-grid.tnp-grid-math .tnp-done {
  background: var(--accent);
  color: #fff8ec;
  font-weight: 900;
  grid-column: span 3;
}
/* [v2.2.6] Custom prompt modal */
.cprompt-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(42, 34, 24, 0.6);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: cpromptFadeIn 0.18s ease;
}
.cprompt-overlay.open { display: flex; }
@keyframes cpromptFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.cprompt-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(42, 34, 24, 0.55), 0 0 0 1px rgba(42,34,24,0.04);
}
.cprompt-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}
.cprompt-body { display: flex; flex-direction: column; gap: 12px; }
.cprompt-field { display: flex; flex-direction: column; gap: 5px; }
.cprompt-field label {
  font-size: 0.82rem;
  color: var(--text2);
  font-weight: 600;
}
.cprompt-field input {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s ease;
}
.cprompt-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 84, 30, 0.18);
}
.cprompt-error {
  color: #ff7050;
  font-size: 0.82rem;
  margin-top: 8px;
  min-height: 1em;
}
.cprompt-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 18px;
}
/* [v2.2.6] 計算方式 ラジオオプション */
.calc-mode-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calc-mode-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.18s ease;
  background: var(--bg2);
}
.calc-mode-option:hover {
  border-color: var(--accent);
  background: rgba(200, 84, 30, 0.06);
}
.calc-mode-option input[type="radio"] {
  margin-top: 4px;
  flex-shrink: 0;
  accent-color: var(--accent);
}
.calc-mode-option input[type="radio"]:checked + span strong {
  color: var(--accent);
}
.calc-mode-option:has(input:checked) {
  border-color: var(--accent);
  background: rgba(200, 84, 30, 0.08);
  box-shadow: 0 0 0 2px rgba(200, 84, 30, 0.2);
}
.calc-mode-option span {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text);
}
.calc-mode-option small {
  color: var(--text2);
  font-size: 0.75rem;
}
.calc-mode-option b {
  color: var(--accent2);
}

.save-mode-bar {
  display: flex;
  gap: 6px;
  margin: 10px 0;
}
.save-mode-btn {
  flex: 1;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  text-align: center;
  background: var(--bg3);
  color: var(--text2);
  transition: all 0.2s;
}
.save-mode-btn.active {
  background: var(--accent);
  color: #fff;
  font-weight: bold;
  border-color: var(--accent);
}
.save-btn {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
}
.save-btn:active { filter: brightness(0.85); }

/* History & Slots */
.history-panel, .slots-panel { max-height: 300px; overflow-y: auto; }
.history-item {
  padding: 8px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.15s;
}
.history-item:hover { background: var(--bg3); }
.history-item .h-title { font-weight: bold; color: var(--accent); }
.history-item .h-expr { color: var(--text2); }
.history-item .h-result { font-weight: bold; font-size: 1rem; }
.history-item .h-time { color: var(--text2); font-size: 0.75rem; }
.btn-row { display: flex; gap: 6px; }
.btn-sm {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg3);
  color: var(--text);
  cursor: pointer;
  font-size: 0.8rem;
}
.btn-sm.danger { background: var(--accent); color: #fff8ec; border-color: var(--accent); }
.btn-sm.danger:hover { background: var(--accent2); border-color: var(--accent2); }

.slot-item {
  background: var(--slot-bg);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
  position: relative;
}
.slot-item .slot-title { font-weight: bold; font-size: 0.85rem; }
.slot-item .slot-result { font-size: 1.1rem; font-weight: bold; color: var(--accent); }
.slot-close {
  position: absolute;
  top: 6px;
  right: 8px;
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  font-size: 1rem;
}
.slot-expand {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.8rem;
  margin-top: 4px;
}
.slot-history {
  display: none;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
}
.slot-history.open { display: block; }
.slot-history-item { padding: 3px 0; color: var(--text2); }

/* === SPECIAL CALC SHARED === */
.special-calc {
  max-width: 500px;
  margin: 0 auto;
}
.special-calc .panel { margin-bottom: 15px; }
.form-group {
  margin-bottom: 12px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 4px;
  color: var(--text2);
}
.form-input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg3);
  color: var(--text);
  font-size: 1rem;
}
.form-input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form-select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg3);
  color: var(--text);
  font-size: 1rem;
}
.form-row {
  display: flex;
  gap: 8px;
  align-items: end;
}
.form-row > * { flex: 1; }
.radio-group {
  display: flex;
  gap: 6px;
}
.radio-btn {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg3);
  color: var(--text);
  cursor: pointer;
  text-align: center;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.radio-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: bold;
}
.result-box {
  background: var(--display-bg);
  color: var(--display-text);
  padding: 15px;
  border-radius: 10px;
  text-align: center;
}
.result-box .result-label { font-size: 0.85rem; color: #999; }
.result-box .result-value { font-size: 1.8rem; font-weight: bold; margin-top: 4px; }
.result-box .result-sub { font-size: 0.9rem; color: #aaa; margin-top: 4px; }
.calc-action-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  margin-top: 10px;
}
.calc-action-btn:active { filter: brightness(0.85); }
.swap-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
}

/* Unit converter specific */
.unit-category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
}
.unit-cat-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg3);
  color: var(--text);
  cursor: pointer;
  font-size: 0.8rem;
}
.unit-cat-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Wareki table */
.wareki-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 10px;
}
.wareki-table th, .wareki-table td {
  padding: 6px 8px;
  border: 1px solid var(--border);
  text-align: center;
}
.wareki-table th { background: var(--bg3); }

/* Responsive */
@media (max-width: 768px) {
  .calc-layout {
    /* [v1.0.0] モバイルでは grid-column 指定を解除して1列縦並びに戻す */
    grid-template-columns: 1fr;
  }
  .tool-selector-wrap { padding: 8px 12px; }
  .tool-selector-btn { font-size: 0.88rem; min-width: 150px; padding: 7px 12px; }
  .tool-selector-menu { left: 0; min-width: 200px; }
  .tool-actions .header-btn { font-size: 0.78rem; padding: 5px 10px; }
  header { padding: 8px 12px; }
  .tab-content { padding: 10px; }
  .display-val { font-size: 1.8rem; }
  .calc-left { max-width: none; grid-column: auto; grid-row: auto; }
  .calc-right { min-width: 0; grid-column: auto; grid-row: auto; }
  .calc-btn { padding: 14px 4px; font-size: 1rem; }
}

/* Empty state */
.empty-state {
  text-align: center;
  color: var(--text2);
  padding: 30px 10px;
  font-size: 0.9rem;
}