@charset "UTF-8";
@import url('themes.css');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background: var(--bg-gradient);
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 40px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ヘッダー */
.app-header {
  width: 100%;
  max-width: 1200px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 0 8px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.back-link:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  transform: translateX(-2px);
}

.app-title-group h1 {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.02em;
}

.app-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.2);
  color: var(--text-accent);
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-icon-header {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-icon-header:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

/* メインコンテナ（2ペインレイアウト） */
.app-container {
  width: 100%;
  max-width: 1200px;
  display: grid;
  grid-template-columns: minmax(360px, 460px) 1fr;
  gap: 24px;
  align-items: start;
}

/* ==========================================================================
   左ペイン：メイン電卓
   ========================================================================== */
.calculator-card {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ディスプレイ部 */
.calc-display {
  background: var(--display-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  min-height: 128px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  position: relative;
}

.display-formula {
  color: var(--display-sub-color);
  font-family: var(--font-mono);
  font-size: 1rem;
  min-height: 1.5em;
  word-break: break-all;
  text-align: right;
  width: 100%;
  opacity: 0.9;
}

.display-main-wrap {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  align-items: baseline;
  overflow: hidden;
}

.display-main {
  color: var(--display-main-color);
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.1;
  text-align: right;
  white-space: nowrap;
  letter-spacing: -0.03em;
  transition: font-size var(--transition-fast);
}

.display-main.font-medium {
  font-size: 2.1rem;
}

.display-main.font-small {
  font-size: 1.5rem;
}

.display-kanji-wrap {
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--display-kanji-color);
}

.display-kanji-wrap .kanji-badge {
  background: rgba(56, 189, 248, 0.15);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
}

/* サブバー（関数切り替え・キーガイド） */
.calc-subbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
}

.mode-toggle-group {
  display: flex;
  background: var(--bg-surface-elevated);
  padding: 3px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.mode-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-btn.active {
  background: var(--text-accent);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.4);
}

.key-guide-toggle {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.key-guide-toggle:hover {
  color: var(--text-secondary);
}

/* キーパッド */
.keypad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.fn-keypad-grid {
  display: none;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border-color);
}

.fn-keypad-grid.is-visible {
  display: grid;
}

/* ボタン基本スタイル */
.btn-calc {
  position: relative;
  font-family: var(--font-main);
  font-size: 1.4rem;
  font-weight: 600;
  height: 62px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  user-select: none;
  box-shadow: var(--shadow-btn);
  transition: transform 0.08s ease, background-color var(--transition-fast), border-color var(--transition-fast), box-shadow 0.08s ease;
  outline: none;
}

.btn-calc:active,
.btn-calc.key-active {
  transform: scale(0.96) translateY(2px);
  box-shadow: none;
}

.btn-calc .key-sub {
  font-size: 0.65rem;
  font-weight: 500;
  opacity: 0.6;
  margin-top: -3px;
  pointer-events: none;
}

/* 数字キー */
.btn-num {
  background: var(--btn-num-bg);
  color: var(--btn-num-text);
  border-color: var(--btn-num-border);
}

.btn-num:hover {
  background: var(--btn-num-hover);
}

/* 演算子キー */
.btn-op {
  background: var(--btn-op-bg);
  color: var(--btn-op-text);
  font-size: 1.5rem;
}

.btn-op:hover {
  background: var(--btn-op-hover);
}

/* 関数キー */
.btn-fn {
  background: var(--btn-fn-bg);
  color: var(--btn-fn-text);
  font-size: 1.05rem;
}

.btn-fn:hover {
  background: var(--btn-fn-hover);
}

.btn-fn-small {
  height: 48px;
  font-size: 0.95rem;
  background: var(--btn-fn-bg);
  color: var(--btn-fn-text);
}

.btn-fn-small:hover {
  background: var(--btn-fn-hover);
}

/* クリアキー */
.btn-clear {
  background: var(--btn-clear-bg);
  color: var(--btn-clear-text);
}

.btn-clear:hover {
  background: var(--btn-clear-hover);
}

/* イコール / アクセントキー */
.btn-equals {
  background: var(--btn-accent-bg);
  color: var(--btn-accent-text);
  box-shadow: var(--btn-accent-shadow);
  border: none;
  font-size: 1.7rem;
}

.btn-equals:hover {
  background: var(--btn-accent-hover);
}

/* ==========================================================================
   右ペイン：ツール＆履歴パネル
   ========================================================================== */
.tools-panel-card {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  display: flex;
  flex-direction: column;
  min-height: 580px;
  overflow: hidden;
}

/* タブバー */
.panel-tabs {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--border-color);
  background: rgba(13, 16, 29, 0.4);
  padding: 8px 12px 0;
  gap: 6px;
}

.panel-tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: var(--text-accent);
  border-bottom-color: var(--text-accent);
  background: rgba(99, 102, 241, 0.08);
}

.tab-content-container {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.tab-pane.active {
  display: flex;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- タブ1: 計算履歴（テープ式） --- */
.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.history-header h2 {
  font-size: 1.05rem;
  font-weight: 600;
}

.history-actions {
  display: flex;
  gap: 8px;
}

.btn-subtle {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-subtle:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.history-list {
  flex: 1;
  overflow-y: auto;
  max-height: 480px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px;
}

.history-item {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  transition: all var(--transition-fast);
  position: relative;
}

.history-item:hover {
  border-color: var(--border-focus);
  background: rgba(99, 102, 241, 0.1);
  transform: translateX(3px);
}

.history-expr {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.history-res {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.history-kanji {
  font-size: 0.75rem;
  color: var(--display-kanji-color);
}

.history-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  gap: 12px;
}

/* --- タブ2: 単位変換 --- */
.converter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.category-chips {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  width: 100%;
}

.chip-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.chip-btn.active {
  background: var(--text-accent);
  color: #fff;
  border-color: var(--text-accent);
}

.converter-input-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.converter-input-box input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  outline: none;
}

.converter-input-box select {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  outline: none;
  cursor: pointer;
}

.units-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  overflow-y: auto;
  max-height: 420px;
}

.unit-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.unit-card:hover {
  border-color: var(--border-focus);
}

.unit-card-header {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.unit-card-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
  word-break: break-all;
}

/* --- タブ3: 通貨変換 --- */
.currency-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 4px 2px;
}

.currency-input-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.currency-box {
  flex: 1;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
}

.currency-box label {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.currency-box-input-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

.currency-box input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  outline: none;
  width: 100%;
}

.currency-box select {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

.currency-swap-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.currency-swap-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  transform: rotate(180deg);
}

.currency-list-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  max-height: 340px;
}

.currency-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.currency-list-item:hover {
  border-color: var(--border-focus);
}

.currency-item-code {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.currency-item-code .flag {
  font-size: 1.2rem;
}

.currency-item-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  text-align: right;
}

.currency-item-rate {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
}

/* --- タブ4: 利息・ローン計算 --- */
.finance-subtabs {
  display: flex;
  gap: 6px;
  background: var(--bg-surface-elevated);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  margin-bottom: 8px;
}

.finance-subtab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.finance-subtab-btn.active {
  background: var(--text-accent);
  color: #fff;
}

.finance-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  gap: 8px;
}

.form-control-wrap:focus-within {
  border-color: var(--border-focus);
}

.form-control-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
}

.form-control-wrap .unit {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.finance-result-card {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.finance-highlight {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.finance-highlight .hl-title {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.finance-highlight .hl-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-accent);
}

.finance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  border-top: 1px solid var(--border-color);
  padding-top: 10px;
}

.finance-stat-title {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.finance-stat-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.finance-bar-chart {
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  display: flex;
  margin-top: 4px;
}

.bar-principal {
  background: #38bdf8;
  height: 100%;
}

.bar-interest {
  background: #f43f5e;
  height: 100%;
}

/* トースト通知 */
.toast-notice {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1e293b;
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  z-index: 1000;
}

.toast-notice.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* モーダル（キーボードショートカット等） */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 900;
  padding: 20px;
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 24px;
  box-shadow: var(--shadow-panel);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.btn-close-modal:hover {
  color: var(--text-primary);
}

.shortcut-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.shortcut-table td {
  padding: 8px 4px;
  border-bottom: 1px solid var(--border-color);
}

.shortcut-table kbd {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* ==========================================
   タブ5: 時間計算 (Time Calculator)
   ========================================== */
.time-subtabs {
  display: flex;
  gap: 6px;
  background: var(--bg-surface-elevated);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  margin-bottom: 8px;
}

.time-subtab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 4px;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.time-subtab-btn.active {
  background: var(--text-accent);
  color: #fff;
}

.time-pane {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.time-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.time-term-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.term-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.term-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.time-radio-inline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.time-radio-inline input {
  cursor: pointer;
}

.time-hms-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.time-factor-row {
  display: flex;
  gap: 8px;
}

.hms-item {
  display: flex;
  align-items: center;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  gap: 6px;
  transition: border-color var(--transition-fast);
}

.hms-item:focus-within {
  border-color: var(--border-focus);
}

.hms-item input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: right;
  outline: none;
}

.hms-item input::-webkit-inner-spin-button,
.hms-item input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.hms-item label {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* 演算子セレクターボタン群 */
.time-op-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.time-op-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.time-op-btn:hover {
  border-color: var(--border-focus);
  background: var(--btn-hover);
}

.time-op-btn.active {
  background: var(--btn-op-bg);
  border-color: var(--text-accent);
  color: #fff;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
}

/* 時間計算 結果カード */
.time-result-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.time-highlight {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.time-highlight .hl-title {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.time-highlight .hl-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-accent);
  word-break: break-all;
}

.time-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.time-stat-box {
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.time-stat-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.time-stat-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.time-actions-row {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.time-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.time-checkbox-label input {
  cursor: pointer;
}

/* 工数・タスク集計リスト */
.accum-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accum-header h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.accum-actions {
  display: flex;
  gap: 6px;
}

.accum-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 4px;
}

.accum-row {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  transition: border-color var(--transition-fast);
}

.accum-row:hover {
  border-color: var(--border-focus);
}

.accum-sign-btn {
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  color: var(--text-accent);
  font-weight: 700;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.accum-sign-btn.negative {
  color: #f43f5e;
}

.accum-input-hms {
  display: flex;
  gap: 4px;
  flex: 1;
}

.accum-mini-box {
  display: flex;
  align-items: center;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 2px 4px;
  gap: 2px;
  flex: 1;
}

.accum-mini-box input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: right;
  outline: none;
}

.accum-mini-box span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.accum-memo-input {
  flex: 1.2;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.8rem;
  padding: 4px 6px;
  outline: none;
}

.accum-memo-input:focus {
  border-color: var(--border-focus);
}

.accum-del-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 4px;
  transition: color var(--transition-fast);
}

.accum-del-btn:hover {
  color: #f43f5e;
}

/* レスポンシブ対応 */
@media (max-width: 900px) {
  .app-container {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .tools-panel-card {
    min-height: 480px;
  }
}

@media (max-width: 480px) {
  body {
    padding: 12px 8px 30px;
  }

  .calc-display {
    padding: 12px 14px;
    min-height: 110px;
  }

  .display-main {
    font-size: 2.3rem;
  }

  .btn-calc {
    height: 54px;
    font-size: 1.25rem;
  }

  .fn-keypad-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
  }

  .btn-fn-small {
    height: 42px;
    font-size: 0.85rem;
  }
}