:root {
  --pink: #ff8fb1;
  --pink-soft: #ffd6e2;
  --pink-pale: #fff2f6;
  --mint: #7ed7c1;
  --mint-pale: #e6f8f3;
  --lemon: #ffd98e;
  --lemon-pale: #fff6df;
  --lavender: #c6b8f5;
  --lavender-pale: #f1ecff;
  --panel: #ffffff;
  --border: #ffe2ea;
  --text: #6b5560;
  --muted: #ad9aa3;
  --shadow: 0 6px 18px rgba(255, 143, 177, 0.16);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 28px 16px 72px;
  font-family: "Hiragino Maru Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: #fffafc;
}

/* 背景のふんわりグラデーション。
   body に background-attachment: fixed を付けるとスクロール時に描画が
   崩れるブラウザがあるため、固定レイヤーとして敷く */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 8%, #ffe8f0 0 22%, transparent 60%),
    radial-gradient(circle at 88% 4%, #e9f7ff 0 24%, transparent 62%),
    radial-gradient(circle at 78% 92%, #f3ecff 0 24%, transparent 60%),
    #fffafc;
}

main, .site-header { max-width: 960px; margin-left: auto; margin-right: auto; }

/* ヘッダー */
.site-header { text-align: center; margin-bottom: 24px; }

.site-header h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: 0.04em;
  color: #ff6f9a;
  text-shadow: 0 2px 0 #fff, 0 4px 10px rgba(255, 143, 177, 0.28);
}

.site-header h1::before { content: "🎀 "; }
.site-header h1::after { content: " 🎀"; }

.subtitle { margin: 0; color: var(--muted); font-size: 13px; }

/* ダッシュボード */
.dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.stat {
  position: relative;
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 16px 18px 14px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.18s ease;
}

.stat:hover { transform: translateY(-3px); }

.stat::before {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 20px;
  background: var(--panel);
  border-radius: 50%;
  padding: 0 6px;
  line-height: 1.4;
}

.dashboard .stat:nth-child(1)::before { content: "📝"; }
.dashboard .stat:nth-child(2)::before { content: "🧺"; }
.dashboard .stat:nth-child(3)::before { content: "🎉"; }
.dashboard .stat:nth-child(4)::before { content: "⏰"; }

.stat-label { display: block; font-size: 12px; color: var(--muted); }

.stat-value {
  display: block;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--pink);
}

.dashboard .stat:nth-child(2) { border-color: #cdefe6; }
.dashboard .stat:nth-child(2) .stat-value { color: #4fbfa5; }

.stat-accent { border-color: var(--lavender) !important; background: var(--lavender-pale); }
.stat-accent::before { background: var(--lavender-pale) !important; }
.stat-accent .stat-value { color: #8b74e8; }

/* 未完了タスク：やること＝レモン色でひと目で区別できるように */
.stat-todo { border-color: #ffdc9b !important; background: var(--lemon-pale); }
.stat-todo::before { background: var(--lemon-pale) !important; }
.stat-todo .stat-value { color: #d99b2b; }

/* ダッシュボード：最新の振り返り */
.latest-review {
  background: linear-gradient(135deg, #fff7fb, #f3f0ff);
  border: 2px solid var(--lavender);
  border-radius: 24px;
  padding: 14px 20px 16px;
  margin-bottom: 26px;
  box-shadow: var(--shadow);
}

.latest-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.latest-label { font-size: 12px; font-weight: 700; color: #8b74e8; }
.latest-label::before { content: "💭 "; }
.latest-week { font-size: 11px; color: var(--muted); }

.latest-comment {
  margin: 0;
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

.latest-comment.is-empty { color: var(--muted); }

/* パネル */
.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: 26px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.columns > .panel:nth-child(2) { border-color: #cdefe6; }

.panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
  color: #ff6f9a;
  display: flex;
  align-items: center;
  gap: 6px;
}

.columns > .panel:nth-child(2) h2 { color: #3fae94; }
.columns > .panel:nth-child(1) h2::before { content: "🍓"; }
.columns > .panel:nth-child(2) h2::before { content: "🌱"; }

/* 振り返りパネル */
.panel-review {
  margin-top: 18px;
  border-color: var(--lavender);
}

.panel-review h2 { color: #8b74e8; }
.panel-review h2::before { content: "🌙"; }

.sub-heading {
  margin: 22px 0 12px;
  font-size: 14px;
  color: var(--muted);
  border-top: 2px dotted var(--border);
  padding-top: 16px;
}

.week-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.week-label {
  flex: 1;
  min-width: 180px;
  text-align: center;
  font-weight: 700;
  background: var(--lavender-pale);
  border-radius: 999px;
  padding: 8px 14px;
}

.week-tag {
  display: inline-block;
  margin-left: 8px;
  font-size: 11px;
  font-weight: 700;
  color: #8b74e8;
  background: #fff;
  border-radius: 999px;
  padding: 2px 10px;
}

.week-tag:empty { display: none; }

.panel-review textarea {
  border-color: #e2daff;
  background: var(--lavender-pale);
}

.panel-review textarea:focus { border-color: var(--lavender); background: #fff; }

.panel-review .form button[type="submit"] {
  background: linear-gradient(135deg, #cbbdf8, #a68ff0);
  box-shadow: 0 4px 10px rgba(166, 143, 240, 0.35);
}

.panel-review .item { border-color: #e2daff; }
.panel-review .item:hover { border-color: var(--lavender); }
.panel-review .item-body { background: var(--lavender-pale); }
.panel-review .empty { background: var(--lavender-pale); }
.review-current { background: #faf7ff; }

/* フォーム */
.form { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.form-inline { flex-direction: row; }
.form-inline input { flex: 1; }

input[type="text"], textarea {
  font: inherit;
  padding: 11px 14px;
  border: 2px solid var(--border);
  border-radius: 16px;
  background: var(--pink-pale);
  color: inherit;
  resize: vertical;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.columns > .panel:nth-child(2) input[type="text"] { border-color: #d6f2ea; background: var(--mint-pale); }

input[type="text"]::placeholder, textarea::placeholder { color: #d3bfc8; }

input[type="text"]:focus, textarea:focus {
  outline: none;
  border-color: var(--pink);
  background: #fff;
}

.columns > .panel:nth-child(2) input[type="text"]:focus { border-color: var(--mint); }

button {
  font: inherit;
  font-weight: 700;
  padding: 10px 18px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffa5c3, #ff7fa8);
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(255, 127, 168, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover { transform: translateY(-2px); box-shadow: 0 7px 14px rgba(255, 127, 168, 0.4); }
button:active { transform: translateY(0); }

.columns > .panel:nth-child(2) .form button {
  background: linear-gradient(135deg, #9be0cd, #6ecfb5);
  box-shadow: 0 4px 10px rgba(110, 207, 181, 0.35);
}

/* 一覧 */
.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }

.item {
  border: 2px dashed var(--border);
  border-radius: 20px;
  padding: 12px 14px;
  background: #fffdfe;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.item:hover { transform: translateX(2px); border-color: var(--pink-soft); }

.columns > .panel:nth-child(2) .item { border-color: #d6f2ea; }
.columns > .panel:nth-child(2) .item:hover { border-color: var(--mint); }

.item-title { font-weight: 700; word-break: break-word; }
.memo-item .item-title::before { content: "🌸 "; }

.item-body {
  margin: 6px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 14px;
  background: var(--pink-pale);
  border-radius: 12px;
  padding: 8px 12px;
}

.item-meta { margin-top: 8px; font-size: 11px; color: var(--muted); }
.item-meta::before { content: "🕒 "; }

.task-row { display: flex; align-items: center; gap: 10px; }
.task-row .item-title { flex: 1; }
.task-done { background: #f7fdfb; }
.task-done .item-title { text-decoration: line-through; color: var(--muted); }

/* チェックボックスを丸く */
input[type="checkbox"] {
  appearance: none;
  width: 22px;
  height: 22px;
  flex: none;
  border: 2px solid var(--mint);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  position: relative;
  transition: background 0.15s ease;
}

input[type="checkbox"]:checked { background: var(--mint); }

input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-done { background: var(--mint-pale); color: #3fae94; }
.badge-todo { background: #fff6df; color: #d99b2b; }
.badge-week { background: var(--lavender-pale); color: #8b74e8; }

.btn-small {
  background: #fff;
  color: var(--muted);
  border: 2px solid var(--border);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: none;
}

.btn-small:hover {
  background: var(--pink-pale);
  color: #ff6f9a;
  border-color: var(--pink-soft);
  transform: none;
  box-shadow: none;
}

.empty {
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 0;
  text-align: center;
  padding: 18px 12px;
  background: var(--pink-pale);
  border-radius: 18px;
}

.columns > .panel:nth-child(2) .empty { background: var(--mint-pale); }

/* お知らせトースト（画面上部にふわっと出る） */
.message {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  z-index: 10;
  font-size: 13px;
  font-weight: 700;
  color: #ff6f9a;
  text-align: center;
  background: #fff;
  border: 2px solid var(--pink-soft);
  border-radius: 999px;
  padding: 9px 20px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.message:not(:empty) {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.message:empty { border-color: transparent; box-shadow: none; padding: 0; }

/* 画面が狭いときはカード4枚を2列に折り返す */
@media (max-width: 900px) {
  .dashboard { grid-template-columns: repeat(2, 1fr); gap: 22px 14px; }
}

@media (max-width: 720px) {
  .columns { grid-template-columns: 1fr; }
}