/* ===========================================================================
   My 秘書アプリ — スタイル
   ライト / ダーク（OS 設定に自動追従）
   =========================================================================== */

:root {
  --bg: #f6f7fb;
  --bg-glow: rgba(99, 118, 255, 0.10);
  --panel: #ffffff;
  --panel-soft: #fafbfe;
  --border: #e6e9f2;
  --border-strong: #d5dae8;
  --text: #1a1f2e;
  --text-soft: #4b5468;
  --muted: #8b94a8;
  --accent: #4f63d2;
  --accent-hover: #4457c4;
  --accent-soft: #eef1fd;
  --accent-ring: rgba(79, 99, 210, 0.22);
  --danger: #d0453f;
  --danger-soft: #fdeeed;
  --done: #16916a;
  --done-soft: #e6f6f0;
  --open: #b1710b;
  --open-soft: #fdf2df;
  --shadow-sm: 0 1px 2px rgba(24, 32, 62, 0.05);
  --shadow-md: 0 2px 4px rgba(24, 32, 62, 0.04), 0 8px 24px rgba(24, 32, 62, 0.06);
  --radius: 14px;
  --radius-sm: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141c;
    --bg-glow: rgba(110, 130, 255, 0.10);
    --panel: #1a1d27;
    --panel-soft: #1e2230;
    --border: #2a2f3e;
    --border-strong: #3a4152;
    --text: #eaecf4;
    --text-soft: #b6bdcd;
    --muted: #7d8598;
    --accent: #7b8df0;
    --accent-hover: #8d9df5;
    --accent-soft: #232840;
    --accent-ring: rgba(123, 141, 240, 0.28);
    --danger: #f0837c;
    --danger-soft: #332223;
    --done: #4bcfa2;
    --done-soft: #16302a;
    --open: #e0a94c;
    --open-soft: #302716;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.32);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px 40px;
  font-family: "Inter", "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Meiryo", sans-serif;
  font-feature-settings: "palt" 1;
  background: var(--bg);
  background-image:
    radial-gradient(900px 420px at 12% -8%, var(--bg-glow), transparent 70%),
    radial-gradient(760px 380px at 92% 0%, var(--bg-glow), transparent 68%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.shell { max-width: 1040px; margin: 0 auto; }

/* --- ヘッダー ------------------------------------------------------------ */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 34px 4px 22px;
}

.brand { display: flex; align-items: center; gap: 13px; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px var(--accent-ring);
  flex-shrink: 0;
}
.brand-mark svg { width: 23px; height: 23px; }

.brand-text h1 {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.subtitle {
  margin: 1px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.today {
  margin: 0;
  font-size: 13px;
  color: var(--text-soft);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 15px;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

/* --- ダッシュボード ------------------------------------------------------ */

.dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.stat-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px 16px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.stat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
}
.stat-card.accent::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-ring));
}
.stat-card:hover { transform: translateY(-2px); }

.stat-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  color: var(--muted);
  margin-bottom: 10px;
}
.stat-icon svg { width: 17px; height: 17px; }
.stat-card.accent .stat-icon {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.03em;
}
.stat-value {
  display: block;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat-card.accent .stat-value { color: var(--accent); }

/* 期限切れが1件以上あるときだけ警告色にする */
.stat-card.alert::before {
  background: linear-gradient(90deg, var(--danger), transparent);
}
.stat-card.alert .stat-icon {
  background: var(--danger-soft);
  border-color: transparent;
  color: var(--danger);
}
.stat-card.alert .stat-value { color: var(--danger); }

/* --- 最新の振り返り（ダッシュボード内） ---------------------------------- */

.review-highlight {
  grid-column: 1 / -1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
}

.rh-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 7px;
}
.rh-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  flex-shrink: 0;
}
.rh-icon svg { width: 15px; height: 15px; }
.rh-label {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-soft);
}
.rh-week {
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 1px 10px;
  font-variant-numeric: tabular-nums;
}
.rh-week:empty { display: none; }

.rh-text {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}
.rh-text.is-empty { color: var(--muted); font-size: 13.5px; }

/* --- レイアウト ---------------------------------------------------------- */

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 20px 24px;
  box-shadow: var(--shadow-md);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.panel-head.list-head {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.panel-head h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-soft);
}
.panel-wide { margin-top: 16px; }

.hint { font-size: 11.5px; color: var(--muted); }

.count {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 10px;
  font-variant-numeric: tabular-nums;
}

/* --- フォーム ------------------------------------------------------------ */

.form { display: flex; flex-direction: column; gap: 9px; }
.form-inline { flex-direction: row; }
.form-inline input[type="text"] { flex: 1; min-width: 0; }

input[type="text"], textarea {
  font: inherit;
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--panel-soft);
  color: var(--text);
  resize: vertical;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
input[type="text"]::placeholder, textarea::placeholder { color: var(--muted); }
input[type="text"]:focus, textarea:focus {
  outline: none;
  background: var(--panel);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

.field-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.field-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.03em;
}

.push-right { margin-left: auto; }

input[type="date"] {
  font: inherit;
  font-size: 14px;
  padding: 8px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--panel-soft);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input[type="date"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
/* ダークモードでカレンダーアイコンが見えなくなるのを防ぐ */
@media (prefers-color-scheme: dark) {
  input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.8); }
}

select {
  font: inherit;
  font-size: 14px;
  padding: 8px 34px 8px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--panel-soft);
  color: var(--text);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238b94a8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 15px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
select:hover { border-color: var(--accent); }
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease,
              transform 0.1s ease, box-shadow 0.15s ease;
}
button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-ring);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  box-shadow: 0 2px 8px var(--accent-ring);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: translateY(1px); box-shadow: none; }
.btn-icon { width: 15px; height: 15px; }

/* --- 一覧 ---------------------------------------------------------------- */

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.list .empty {
  color: var(--muted);
  font-size: 13.5px;
  text-align: center;
  padding: 26px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--panel-soft);
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: var(--panel-soft);
  animation: rise 0.22s ease both;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: none; }
}

.card-title {
  font-weight: 650;
  font-size: 14.5px;
  letter-spacing: 0.01em;
  word-break: break-word;
}
.card-body {
  margin: 5px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 13.5px;
  color: var(--text-soft);
}
.card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 9px;
  font-size: 11.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* --- タスク -------------------------------------------------------------- */

.task { display: flex; align-items: flex-start; gap: 12px; }
.task-main { flex: 1; min-width: 0; }

.task input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 19px;
  height: 19px;
  margin: 3px 0 0;
  flex-shrink: 0;
  border: 1.8px solid var(--border-strong);
  border-radius: 6px;
  background: var(--panel);
  cursor: pointer;
  position: relative;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.task input[type="checkbox"]:hover { border-color: var(--accent); }
.task input[type="checkbox"]:checked {
  background: var(--done);
  border-color: var(--done);
}
.task input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 5.5px;
  top: 1.5px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(43deg);
}
.task input[type="checkbox"]:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-ring);
}

.task.done { background: var(--panel); }
.task.done .card-title {
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 9px;
  border-radius: 999px;
}
.badge.open { background: var(--open-soft); color: var(--open); }
.badge.done { background: var(--done-soft); color: var(--done); }
.badge.week { background: var(--accent-soft); color: var(--accent); }

/* 期限バッジ */
.badge.due { letter-spacing: 0.02em; font-variant-numeric: tabular-nums; }
.badge.due.today   { background: var(--open-soft); color: var(--open); }
.badge.due.overdue { background: var(--danger-soft); color: var(--danger); }

/* 一覧のなかで期限を直接編集する欄 */
.due-edit {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.due-text { font-size: 11.5px; color: var(--muted); }

.due-input {
  font: inherit;
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text-soft);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.due-input:hover { border-color: var(--accent); }
.due-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.due-input.overdue { color: var(--danger); border-color: var(--danger); background: var(--danger-soft); }
.due-input.today   { color: var(--open); border-color: var(--open); background: var(--open-soft); }
.due-input.none    { color: var(--muted); }

@media (prefers-color-scheme: dark) {
  .due-input::-webkit-calendar-picker-indicator { filter: invert(0.8); }
}

/* 期限切れのタスクは左端に赤い線を出す */
.task.overdue { border-left: 3px solid var(--danger); }

/* --- 振り返り一覧 -------------------------------------------------------- */

.review { display: flex; align-items: flex-start; gap: 10px; }
.review-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.review .card-body { color: var(--text); }

.delete-btn {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  opacity: 0.55;
}
.delete-btn svg { width: 15px; height: 15px; }
.delete-btn:hover {
  opacity: 1;
  color: var(--danger);
  background: var(--danger-soft);
  border-color: transparent;
}
.card:hover .delete-btn { opacity: 0.85; }

/* --- メッセージ / フッター ----------------------------------------------- */

.message {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 11px 15px;
  border-radius: var(--radius-sm);
  background: var(--danger-soft);
  border: 1px solid transparent;
  color: var(--danger);
  font-size: 13.5px;
  font-weight: 500;
  animation: rise 0.2s ease both;
}
.message[hidden] { display: none; }
.message.success {
  background: var(--done-soft);
  color: var(--done);
}

.site-footer {
  margin-top: 26px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

/* --- レスポンシブ -------------------------------------------------------- */

@media (max-width: 860px) {
  .columns { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { padding: 0 14px 32px; }
  .site-header { padding: 24px 2px 18px; }
  .dashboard { grid-template-columns: 1fr; gap: 10px; }
  .stat-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 14px 16px; }
  .stat-icon { margin-bottom: 0; }
  .stat-value { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}