:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --border: #e4e6eb;
  --text: #1c2024;
  --text-muted: #6b7280;
  --accent: #4f46e5;
  --accent-soft: #eef0fe;
  --danger: #dc2626;
  --danger-soft: #fdeceb;
  --warn: #b45309;
  --warn-soft: #fdf3e3;
  --ok: #047857;
  --ok-soft: #e7f6ef;
  --tag-color-0: #4f46e5;
  --tag-color-1: #0284c7;
  --tag-color-2: #0f766e;
  --tag-color-3: #15803d;
  --tag-color-4: #b45309;
  --tag-color-5: #c2410c;
  --tag-color-6: #be185d;
  --tag-color-7: #7e22ce;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px rgba(16, 24, 40, .08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --surface-2: #1d2129;
    --border: #282d37;
    --text: #e9ecf1;
    --text-muted: #9aa3b2;
    --accent: #8b85ff;
    --accent-soft: #23233a;
    --danger: #f87171;
    --danger-soft: #3a1f22;
    --warn: #f0b45f;
    --warn-soft: #372a1b;
    --ok: #5ed6a4;
    --ok-soft: #16302a;
    --tag-color-0: #a5b4fc;
    --tag-color-1: #7dd3fc;
    --tag-color-2: #5eead4;
    --tag-color-3: #86efac;
    --tag-color-4: #fcd34d;
    --tag-color-5: #fdba74;
    --tag-color-6: #f9a8d4;
    --tag-color-7: #d8b4fe;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px rgba(0, 0, 0, .45);
  }
}

* {
  box-sizing: border-box;
}

.is-saving .view button,
.is-saving .view input,
.is-saving .view select {
  pointer-events: none;
  opacity: .7;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 20px 80px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP",
    "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* --- ページの骨組み。ヘッダー・入力・一覧をそれぞれ独立したパネルに --- */

.page {
  width: 100%;
  max-width: 1040px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* タブで切り替えるビュー。[hidden] がクラスの display に負けないようにする */
.view[hidden] {
  display: none;
}

/* 入力パネルとカード一覧パネルの横並び */
.layout {
  display: grid;
  grid-template-columns: 316px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page__header {
  padding: 0 4px;
}

.page__headline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page__title {
  margin: 0;
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -.02em;
}

.page__subtitle {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--text-muted);
  min-height: 19px;
}

.app-status {
  min-height: 18px;
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.app-status.is-error,
.auth__message {
  color: var(--danger);
}

.auth {
  width: min(100%, 440px);
  margin: 32px auto 0;
}

.auth__lead {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.auth__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.auth__signup,
.auth__signout {
  padding: 8px 13px;
  font: inherit;
  font-size: 12px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  cursor: pointer;
}

.auth__signout {
  margin-left: auto;
}

.auth__message {
  min-height: 19px;
  margin: 12px 0 0;
  font-size: 12px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 20px 22px;
}

.panel--composer {
  position: sticky;
  top: 24px;
}

.panel--board {
  padding-bottom: 12px;
}

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.panel__title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 620;
  letter-spacing: .02em;
  color: var(--text-muted);
}

.panel__head .panel__title {
  margin: 0;
}

/* --- ページ切り替えタブ --- */

.tabs {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--surface-2);
  border-radius: 11px;
}

.tabs__item {
  padding: 7px 16px;
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  transition: color .15s, background .15s;
}

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

.tabs__item.is-active {
  color: var(--accent);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(16, 24, 40, .06);
}

/* --- 入力欄 --- */

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

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.field__label {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--text-muted);
}

.field__help {
  font-size: 10.5px;
  color: var(--text-muted);
}

.tag-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 24px;
  margin-top: 2px;
}

.tag-picker small {
  padding: 3px 0;
  font-size: 10.5px;
  color: var(--text-muted);
}

.tag-picker__choice {
  padding: 3px 8px;
  font: inherit;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
}

.tag-color-0 { --tag-color: var(--tag-color-0); }
.tag-color-1 { --tag-color: var(--tag-color-1); }
.tag-color-2 { --tag-color: var(--tag-color-2); }
.tag-color-3 { --tag-color: var(--tag-color-3); }
.tag-color-4 { --tag-color: var(--tag-color-4); }
.tag-color-5 { --tag-color: var(--tag-color-5); }
.tag-color-6 { --tag-color: var(--tag-color-6); }
.tag-color-7 { --tag-color: var(--tag-color-7); }

.tag-picker__choice[class*="tag-color-"] {
  color: var(--tag-color);
  background: color-mix(in srgb, var(--tag-color) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--tag-color) 38%, var(--border));
}

.tag-picker__choice:hover {
  color: var(--tag-color);
  border-color: var(--tag-color);
  filter: brightness(1.05);
}

.tag-picker__choice.is-selected {
  color: #fff;
  background: var(--tag-color);
  border-color: var(--tag-color);
}

.field__row {
  display: flex;
  gap: 6px;
}

.field__input {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  font: inherit;
  font-size: 14.5px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  transition: border-color .15s, box-shadow .15s, background .15s;
}

.field__input--num {
  width: 74px;
  flex: none;
}

.field__input::placeholder {
  color: var(--text-muted);
}

.field__input:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.field__input:focus {
  outline: none;
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.composer__button {
  margin-top: 2px;
  padding: 11px 20px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: filter .15s, transform .1s;
}

.composer__button:hover {
  filter: brightness(1.08);
}

.composer__button:active {
  transform: scale(.97);
}

.composer__hint {
  margin: 10px 2px 0;
  font-size: 12px;
  color: var(--text-muted);
}

/* --- フィルタ --- */

.filters {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--surface-2);
  border-radius: 11px;
}

.filters__item {
  padding: 6px 11px;
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  transition: color .15s, background .15s;
}

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

.filters__item.is-active {
  color: var(--accent);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(16, 24, 40, .06);
}

/* --- カード一覧 --- */

.board {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 12px;
}

.card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  min-height: 150px;
  padding: 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s, transform .1s;
  animation: slide-in .18s ease-out;
}

.card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  box-shadow: 0 4px 14px rgba(16, 24, 40, .07);
}

.card.is-overdue {
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
}

.card.is-done {
  opacity: .72;
}

.card.is-running {
  position: relative;
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 62%, var(--surface));
  box-shadow: 0 0 0 4px var(--accent-soft), 0 10px 28px rgba(79, 70, 229, .18);
  transform: translateY(-2px);
}

.card.is-running::before {
  content: "計測中";
  position: absolute;
  top: -10px;
  left: 12px;
  padding: 3px 9px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
}

@keyframes slide-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: none; }
}

.card__top {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.card__check {
  flex: none;
  width: 19px;
  height: 19px;
  margin: 1px 0 0;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ルーティンの「完了して次の回へ」ボタン */
.card__next {
  flex: none;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  margin-top: 1px;
  font-size: 12px;
  line-height: 1;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 7px;
  cursor: pointer;
  transition: filter .15s, transform .1s;
}

.card__next:hover {
  filter: brightness(1.05);
}

.card__next:active {
  transform: scale(.94);
}

.card__text {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.5;
  word-break: break-word;
  cursor: pointer;
  transition: color .15s;
}

.card.is-done .card__text {
  color: var(--text-muted);
  text-decoration: line-through;
}

.card__delete {
  flex: none;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-size: 17px;
  line-height: 1;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, color .15s, background .15s;
}

.card:hover .card__delete,
.card__delete:focus-visible {
  opacity: 1;
}

.card__delete:hover {
  color: var(--danger);
  background: var(--surface);
}

.card__tags {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.badge--tag {
  color: var(--tag-color);
  background: color-mix(in srgb, var(--tag-color) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--tag-color) 38%, var(--border));
}

.card__tag-editor {
  display: flex;
  align-items: center;
  gap: 7px;
}

.card__tag-editor > span {
  flex: none;
  font-size: 10.5px;
  color: var(--text-muted);
}

.card__tag-input {
  width: 100%;
  min-width: 0;
  padding: 4px 7px;
  font: inherit;
  font-size: 11.5px;
  color: var(--text-muted);
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 7px;
}

.card__tag-input:focus {
  outline: none;
  color: var(--text);
  background: var(--surface);
  border-color: var(--accent);
  border-style: solid;
}

/* --- 時間計測 --- */

.card__timer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.card.is-running .card__timer {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.card__time {
  font-size: 14px;
  font-weight: 620;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  color: var(--text-muted);
}

.card.is-running .card__time {
  color: var(--accent);
}

.card__timer-button {
  flex: none;
  padding: 4px 12px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: filter .15s, transform .1s;
}

.card__timer-button.is-running {
  color: var(--warn);
  background: var(--warn-soft);
}

.card__timer-button:hover {
  filter: brightness(1.05);
}

.card__timer-button:active {
  transform: scale(.96);
}

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

.card__undo {
  padding: 3px 8px;
  font: inherit;
  font-size: 11.5px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}

.card__undo:hover {
  color: var(--text);
  border-color: var(--accent);
}

.card__due-input {
  font: inherit;
  font-size: 12px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 3px 5px;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}

.card__due-input:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--surface);
}

/* --- 期限バッジ --- */

.badge {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 999px;
  white-space: nowrap;
}

.badge--plain {
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
}

.badge--soon {
  color: var(--warn);
  background: var(--warn-soft);
}

.badge--over {
  color: var(--danger);
  background: var(--danger-soft);
}

.badge--ok {
  color: var(--ok);
  background: var(--ok-soft);
}

.badge--late {
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
}

.badge--repeat {
  color: var(--accent);
  background: var(--accent-soft);
}

/* --- 月の切り替え --- */

.monthbar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
}

.monthbar__nav {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-size: 20px;
  line-height: 1;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}

.monthbar__nav:hover {
  color: var(--text);
  border-color: var(--accent);
}

.monthbar__label {
  margin: 0 6px;
  font-size: 17px;
  font-weight: 620;
  letter-spacing: -.01em;
}

.monthbar__today {
  margin-left: auto;
  padding: 7px 13px;
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}

.monthbar__today:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* --- カレンダー --- */

.calendar {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.calendar__weekdays,
.calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar__weekday {
  padding: 8px 6px;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  color: var(--text-muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.calendar__weekday.is-sun { color: var(--danger); }
.calendar__weekday.is-sat { color: var(--accent); }

.day {
  min-height: 96px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.day:nth-child(7n) { border-right: none; }
.calendar__grid > .day:nth-last-child(-n+7) { border-bottom: none; }

.day.is-muted {
  background: var(--surface-2);
}

.day.is-muted .day__number {
  opacity: .45;
}

.day__number {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  align-self: flex-start;
  min-width: 21px;
  padding: 2px 0;
  text-align: center;
  border-radius: 999px;
}

.day.is-sun .day__number { color: var(--danger); }
.day.is-sat .day__number { color: var(--accent); }

.day.is-today .day__number {
  color: #fff;
  background: var(--accent);
}

.day__chips {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.chip {
  display: block;
  width: 100%;
  padding: 3px 6px;
  font: inherit;
  font-size: 11.5px;
  line-height: 1.35;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: filter .15s, transform .1s;
}

.chip:hover { filter: brightness(.96); }
.chip:active { transform: scale(.98); }

.chip--plain {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}

.chip--soon {
  color: var(--warn);
  background: var(--warn-soft);
  border-color: color-mix(in srgb, var(--warn) 30%, transparent);
}

.chip--over {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}

.chip--late,
.chip.is-done {
  color: var(--text-muted);
  background: var(--surface-2);
  border-color: var(--border);
  text-decoration: line-through;
}

/* ルーティンの先の回。予定なので操作はできない */
.chip--ghost {
  color: var(--text-muted);
  background: transparent;
  border-style: dashed;
  border-color: var(--border);
}

.chip:disabled {
  cursor: default;
}

.chip:disabled:hover {
  filter: none;
}

.day__more {
  padding: 1px 6px;
  font-size: 10.5px;
  color: var(--text-muted);
  cursor: default;
}

/* --- 空表示・フッター --- */

.empty {
  margin: 28px 0;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}

.panel__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  min-height: 46px;
}

.panel__footer--legend {
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 14px;
}

.panel__count {
  font-size: 13px;
  color: var(--text-muted);
}

.panel__clear {
  padding: 6px 10px;
  font: inherit;
  font-size: 13px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: color .15s, background .15s;
}

.panel__clear:hover:not(:disabled) {
  color: var(--danger);
  background: var(--surface-2);
}

.panel__clear:disabled {
  opacity: .4;
  cursor: default;
}

.legend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.legend__dot {
  width: 9px;
  height: 9px;
  border-radius: 3px;
}

.legend__dot--over { background: var(--danger); }
.legend__dot--soon { background: var(--warn); }
.legend__dot--plain { background: var(--accent); }
.legend__dot--late { background: var(--border); }

.legend__dot--ghost {
  background: transparent;
  border: 1px dashed var(--text-muted);
}

.legend__note {
  margin-left: auto;
}

/* --- アナリティクス --- */

.analytics {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.analytics .monthbar { margin-bottom: 0; }

.analytics__toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
}

.analytics__toolbar label { font-size: 12px; color: var(--text-muted); }
.analytics__toolbar .field__input { width: auto; min-width: 180px; padding-block: 7px; }

.analytics__summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.analytics__stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.analytics__stat span,
.analytics__heading span {
  font-size: 12px;
  color: var(--text-muted);
}

.analytics__stat strong { font-size: 21px; font-variant-numeric: tabular-nums; }

.analytics__section {
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.analytics__heading,
.analytics__rank-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.analytics__heading { margin-bottom: 14px; }
.analytics__heading h3 { margin: 0; font-size: 14px; }
.analytics__heading > div:first-child { display: grid; gap: 3px; }
.analytics__ranking { display: grid; gap: 13px; }
.analytics__rank-row { display: grid; gap: 6px; }
.analytics__rank-head { font-size: 13px; }
.analytics__task-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.analytics__rank-head strong { font-variant-numeric: tabular-nums; }

.analytics__progress {
  height: 7px;
  overflow: hidden;
  background: var(--surface-2);
  border-radius: 999px;
}

.analytics__progress span { display: block; height: 100%; border-radius: inherit; }
.analytics__empty { margin: 28px 0; text-align: center; font-size: 13px; color: var(--text-muted); }

.analytics__pie-controls,
.analytics__period-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.analytics__period-tabs {
  gap: 2px;
  padding: 3px;
  background: var(--surface-2);
  border-radius: 9px;
}

.analytics__period-tabs button {
  padding: 5px 11px;
  font: inherit;
  font-size: 12px;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  border-radius: 7px;
  cursor: pointer;
}

.analytics__period-tabs button.is-active {
  color: var(--accent);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(16, 24, 40, .08);
}

.analytics__date { width: auto; padding-block: 6px; font-size: 12px; }

.analytics__pie-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  align-items: center;
  gap: 30px;
  max-width: 760px;
  margin: 4px auto 0;
}

.analytics__pie {
  width: 230px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: background .2s;
}

.analytics__pie > div {
  width: 58%;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
  background: var(--surface);
  border-radius: 50%;
  box-shadow: 0 1px 8px rgba(16, 24, 40, .08);
}

.analytics__pie span { font-size: 11px; color: var(--text-muted); }
.analytics__pie strong { font-size: 18px; font-variant-numeric: tabular-nums; }
.analytics__pie-legend { display: grid; gap: 9px; }
.analytics__pie-legend > div { display: grid; grid-template-columns: 9px minmax(0, 1fr) auto; align-items: center; gap: 8px; font-size: 12px; }
.analytics__pie-legend i { width: 9px; height: 9px; border-radius: 3px; }
.analytics__pie-legend span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.analytics__pie-legend strong { font-variant-numeric: tabular-nums; }

.analytics__tag-totals {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 9px;
}

.analytics__tag-card {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 10px 11px;
  font: inherit;
  font-size: 12px;
  text-align: left;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.analytics__tag-card:hover,
.analytics__tag-card.is-active {
  border-color: var(--tag-color, var(--accent));
  background: color-mix(in srgb, var(--tag-color, var(--accent)) 12%, var(--surface));
}
.analytics__tag-card:disabled { cursor: default; }
.analytics__tag-card i { width: 8px; height: 8px; border-radius: 3px; }
.analytics__tag-card span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.analytics__tag-card strong { font-variant-numeric: tabular-nums; }

.analytics__chart-wrap {
  height: 260px;
  padding: 12px 8px 0;
  background: repeating-linear-gradient(to bottom, var(--border) 0 1px, transparent 1px 25%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.analytics__bars { height: 100%; display: flex; align-items: stretch; gap: 3px; }
.analytics__column { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: flex-end; cursor: help; }
.analytics__stack { min-height: 0; display: flex; flex-direction: column-reverse; overflow: hidden; border-radius: 4px 4px 0 0; transition: filter .15s; }
.analytics__column:hover .analytics__stack { filter: brightness(1.12); }
.analytics__stack span { min-height: 1px; }
.analytics__day-label { height: 22px; padding-top: 5px; font-size: 10px; text-align: center; color: var(--text-muted); }

.analytics__legend { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 10px; }
.analytics__legend span { display: inline-flex; align-items: center; gap: 5px; max-width: 180px; font-size: 11px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.analytics__legend i { width: 8px; height: 8px; flex: none; border-radius: 3px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 横並びが窮屈になったら入力パネルを上に積む */
@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .panel--composer { position: static; }
  .composer { flex-direction: row; flex-wrap: wrap; align-items: flex-end; }
  .composer .field { flex: 1 1 160px; }
  .composer__button { flex: none; margin-top: 0; }
}

@media (max-width: 620px) {
  body { padding: 24px 12px 48px; }
  .page { gap: 12px; }
  .panel { padding: 16px 16px; border-radius: 16px; }
  .card__delete { opacity: 1; }

  .panel__head { gap: 8px; }
  .filters { width: 100%; }
  .filters__item { flex: 1; padding: 7px 6px; }

  .composer { flex-direction: column; }
  .composer .field { flex: 1 1 auto; }
  .composer__button { width: 100%; }

  .board { grid-template-columns: 1fr; }

  .day { min-height: 72px; padding: 4px; }
  .chip { font-size: 10.5px; padding: 2px 4px; }
  .legend__note { margin-left: 0; flex-basis: 100%; }
  .tabs { width: 100%; }
  .tabs__item { flex: 1; padding-inline: 7px; }
  .analytics__summary { grid-template-columns: 1fr; }
  .analytics__toolbar { align-items: stretch; flex-direction: column; }
  .analytics__toolbar .field__input { width: 100%; }
  .analytics__chart-wrap { height: 210px; padding-inline: 4px; }
  .analytics__bars { gap: 1px; }
  .analytics__heading--pie { align-items: stretch; flex-direction: column; }
  .analytics__pie-controls { justify-content: space-between; }
  .analytics__pie-layout { grid-template-columns: 1fr; gap: 20px; }
  .analytics__pie { width: min(220px, 76vw); margin: auto; }
}