@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=DM+Mono:wght@400;500&display=swap');

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

:root {
  --bg: #F7F5F0;
  --surface: #FFFFFF;
  --surface2: #F0EDE6;
  --border: rgba(0,0,0,0.08);
  --border2: rgba(0,0,0,0.14);
  --text: #1A1814;
  --text2: #6B6760;
  --text3: #AAA8A2;
  --accent: #2A2520;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.10);
}

body {
  font-family: 'DM Sans', 'Hiragino Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.app {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.sidebar-header {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text3);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.logo span { color: var(--accent); }

/* Mode Tabs */
.mode-tabs {
  display: flex;
  gap: 8px;
  background: var(--surface2);
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.mode-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--text3);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.mode-tab:hover {
  color: var(--text2);
}

.mode-tab.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.title-input {
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  border: none;
  background: transparent;
  outline: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.title-input:focus { border-bottom-color: var(--accent); }

/* 名前入力欄 */
.name-input {
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: var(--text2);
  border: none;
  background: transparent;
  outline: none;
  border-bottom: 1px dashed var(--border2);
  padding: 2px 0 2px;
  margin-top: 8px;
  transition: border-color 0.2s;
}

.name-input::placeholder { color: var(--text3); }
.name-input:focus { border-bottom-color: var(--accent); }

/* グラフ上のユーザー名表示 */
.username-display {
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  letter-spacing: 0.03em;
  min-height: 0;
  margin-bottom: 0;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin-bottom 0.3s ease;
}

.username-display.visible {
  max-height: 28px;
  opacity: 1;
  margin-bottom: 6px;
}


/* Total bar */
.total-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px 4px;
}

.total-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 28px;
}

.total-track {
  flex: 1;
  height: 4px;
  background: var(--surface2);
  border-radius: 2px;
  overflow: hidden;
}

.total-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.total-fill.over { background: #c0392b; }

.total-num {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  color: var(--text2);
  min-width: 36px;
  text-align: right;
}

.total-warn {
  font-size: 11px;
  color: #c0392b;
  padding: 2px 24px 8px;
  min-height: 20px;
}

/* ツールバー（割合順ソート・自動調整など） */
.sort-bar {
  padding: 0 16px 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sort-btn, .adjust-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 5px 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.15s;
}

.sort-btn:hover, .adjust-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.sort-btn:active, .adjust-btn:active {
  transform: scale(0.97);
}

/* Category list */
.cat-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
}

.cat-list::-webkit-scrollbar { width: 4px; }
.cat-list::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

.cat-item {
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.15s;
  overflow: hidden;
}

.cat-item:hover { border-color: var(--border2); }

.cat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px 4px;
}

.cat-swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.cat-name-input {
  flex: 1;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  border: none;
  border-bottom: 1px solid transparent;
  background: transparent;
  outline: none;
  padding: 0 2px;
  min-width: 0;
  transition: border-color 0.2s;
}

.cat-name-input:focus {
  border-bottom-color: var(--accent);
}

.cat-pct {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text2);
  min-width: 32px;
  text-align: right;
}

.cat-del {
  width: 18px;
  height: 18px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text3);
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.cat-del:hover { color: #c0392b; background: #fef2f2; }

.slider-row { padding: 4px 12px 6px; }

input[type=range] {
  width: 100%;
  height: 3px;
  cursor: pointer;
  accent-color: var(--accent);
  background: transparent;
}

.expand-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px 8px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  color: var(--text3);
  transition: color 0.15s;
}

.expand-toggle:hover { color: var(--text2); }

.expand-toggle svg { transition: transform 0.2s; }
.expand-toggle.open svg { transform: rotate(90deg); }

/* Children area */
.child-area {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 12px 10px;
  background: var(--surface2);
  border-top: 1px solid var(--border);
}

.child-area.open { display: flex; }

.child-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.child-swatch {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.child-name-input {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  color: var(--text);
  border: none;
  border-bottom: 1px solid var(--border2);
  background: transparent;
  outline: none;
  width: 80px;
  padding: 1px 2px;
}

.child-name-input:focus { border-bottom-color: var(--accent); }

.child-slider { flex: 1; }

.child-pct {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text3);
  min-width: 26px;
  text-align: right;
}

.child-del {
  width: 16px;
  height: 16px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text3);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  transition: color 0.15s;
}

.child-del:hover { color: #c0392b; }

.add-child-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  background: none;
  border: 1px dashed var(--border2);
  border-radius: 6px;
  padding: 4px 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  color: var(--text3);
  cursor: pointer;
  transition: all 0.15s;
  width: fit-content;
}

.add-child-btn:hover { color: var(--text); border-color: var(--text3); }

/* Add category area */
.add-area {
  display: flex;
  gap: 8px;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--border);
}

.add-input {
  flex: 1;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  padding: 8px 12px;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

.add-input:focus { border-color: var(--accent); }

.add-btn {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s;
  flex-shrink: 0;
}

.add-btn:hover { opacity: 0.85; }

/* Main area */
.main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 40px;
  min-height: 100vh;
}

.export-target {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  background-color: var(--bg);
  padding: 20px;
  border-radius: var(--radius);
}

.chart-panel {
  position: relative;
  width: 380px;
  flex-shrink: 0;
}

.chart-hint {
  text-align: center;
  font-size: 11px;
  color: var(--text3);
  margin-bottom: 12px;
  font-family: 'DM Mono', monospace;
}

.chart-container {
  position: relative;
  width: 380px;
  height: 380px;
}

.chart-container.small {
  width: 260px;
  height: 260px;
  margin: 0 auto;
}

.chart-container canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100% !important;
  height: 100% !important;
  cursor: pointer;
}

.chart-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  max-width: 120px;
}

.center-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  line-height: 1.5;
}

/* Drill panel */
.drill-panel {
  display: none;
  position: absolute;
  top: 0; left: 0; right: 0;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  animation: fadeIn 0.2s ease;
}

.drill-panel.open { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }

.drill-back {
  background: none;
  border: none;
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  color: var(--text3);
  cursor: pointer;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s;
}

.drill-back:hover { color: var(--text); }

.drill-label {
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

/* Legend panel */
.legend-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 380px;
}

.legend-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 10px 4px 8px;
}

.legend-swatch {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-pct {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text3);
  margin-left: 2px;
}

/* Action Panel */
.action-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.action-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: 24px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.action-btn:active { transform: scale(0.98); }

.clear-btn {
  background: var(--surface2);
  color: var(--text2);
}
.clear-btn:hover { background: #e8e4db; color: #c0392b; }

.save-data-btn {
  background: var(--surface);
  color: var(--accent);
  border: 1px solid var(--border);
}
.save-data-btn:hover { border-color: var(--accent); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }

.export-btn {
  background: var(--accent);
  color: white;
}
.export-btn:hover { opacity: 0.85; box-shadow: 0 4px 12px rgba(0,0,0,0.12); }

.list-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.15s;
}

.list-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* ── モバイル専用コンポーネント（デスクトップでは非表示）── */
.sidebar-close,
.edit-fab { display: none; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {

  /* グリッドは1カラム。サイドバーはfixedで管理するのでmainが全幅を使う */
  .app { grid-template-columns: 1fr; }

  /* ── サイドバー：全画面スライドドロワー ── */
  .sidebar {
    position: fixed;
    inset: 0;
    z-index: 200;
    overflow-x: hidden;
    overflow-y: auto;
    border-right: none;
    /* 画面下に隠す */
    transform: translateY(100%);
    transition: transform 0.38s cubic-bezier(0.32, 0.72, 0, 1);
  }

  /* 編集モード時：全画面に展開 */
  .sidebar.editing {
    transform: translateY(0);
  }

  /* ── サイドバーヘッダー（モバイル）── */
  .sidebar-header {
    display: flex;
    flex-direction: column;
    padding: 16px 20px 16px;
  }

  /* 「完了」ボタン */
  .sidebar-close {
    display: flex;
    align-items: center;
    gap: 6px;
    align-self: flex-end;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 20px;
    padding: 8px 18px;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 12px;
    transition: opacity 0.15s;
  }

  .sidebar-close:active { opacity: 0.75; }

  /* ── メインエリア ── */
  .main {
    padding: 24px 16px 120px;
    min-height: 100svh;
  }

  /* チャートサイズ */
  .chart-panel,
  .chart-container {
    width: min(340px, calc(100vw - 32px));
  }
  .chart-container {
    height: min(340px, calc(100vw - 32px));
  }
  .chart-container.small { width: 220px; height: 220px; }
  .legend-panel { width: min(340px, calc(100vw - 32px)); }

  /* ── FABボタン（編集ボタン）── */
  .edit-fab {
    display: flex;
    align-items: center;
    gap: 8px;
    position: fixed;
    bottom: 28px;
    right: 20px;
    z-index: 100;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 28px;
    padding: 15px 24px;
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 24px rgba(0,0,0,0.24);
    transition: transform 0.15s, box-shadow 0.15s;
  }

  .edit-fab:active {
    transform: scale(0.95);
    box-shadow: 0 2px 12px rgba(0,0,0,0.18);
  }
}