* {
  box-sizing: border-box;
}

/* 全体の文字サイズ（rem指定の要素はすべてこれを基準に拡大される） */
html {
  font-size: 18px;
}

body {
  margin: 0;
  line-height: 1.6;
  font-family: "Yu Gothic UI", "Hiragino Sans", "Meiryo", sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #9f7aea 45%, #f093fb 100%) fixed;
  color: #222;
}

header {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 14px 24px;
}

header h1 {
  margin: 0;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

/* サーバーにつながっていないときの案内 */
.offline-banner {
  background: #fff4f4;
  border: 3px solid #e53e3e;
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 20px;
  color: #9b2c2c;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.offline-banner[hidden],
.offline-banner [hidden] {
  display: none;
}

.offline-error {
  margin: 8px 0;
}

.offline-banner ol {
  margin: 8px 0;
  padding-left: 1.4em;
}

.offline-banner code {
  background: #fde2e2;
  padding: 0 4px;
  border-radius: 4px;
  word-break: break-all;
}

.offline-url {
  font-size: 0.85rem;
}

/* ダッシュボード */
.dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat {
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  color: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.stat:nth-child(1) {
  background: linear-gradient(135deg, #36d1dc, #5b86e5);
}

.stat:nth-child(2) {
  background: linear-gradient(135deg, #43e97b, #20b2aa);
}

.stat.highlight {
  background: linear-gradient(135deg, #ff9a44, #fc6076);
}

.stat-label {
  display: block;
  font-size: 1rem;
  opacity: 0.9;
}

.stat-value {
  display: block;
  font-size: 2.2rem;
  font-weight: bold;
  margin-top: 4px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* ダッシュボード：最新の振り返り */
.latest-review {
  background: rgba(255, 255, 255, 0.95);
  border-left: 6px solid #f6c344;
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 20px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.latest-review-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
}

.latest-review-label {
  font-weight: bold;
  color: #6b46c1;
}

.latest-review-week {
  font-size: 0.9rem;
  color: #666;
}

.latest-review-comment {
  margin: 6px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  /* 長いコメントは4行まで表示 */
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.latest-review-comment.empty {
  color: #999;
}

/* レイアウト */
.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 760px) {
  .columns {
    grid-template-columns: 1fr;
  }
}

.card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  color: #6b46c1;
  border-left: 4px solid #9f7aea;
  padding-left: 8px;
}

/* フォーム */
form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inline-form {
  flex-direction: row;
}

.inline-form input {
  flex: 1;
}

input,
textarea {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

textarea {
  resize: vertical;
}

button {
  font: inherit;
  padding: 8px 14px;
  border: none;
  border-radius: 6px;
  background: linear-gradient(135deg, #667eea, #9f7aea);
  color: #fff;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.1);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #9f7aea;
  box-shadow: 0 0 0 3px rgba(159, 122, 234, 0.25);
}

/* 一覧 */
.list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.list li {
  border-top: 1px solid #eee;
  padding: 10px 0;
}

.list li:first-child {
  border-top: none;
}

.empty {
  color: #999;
  text-align: center;
}

.memo-title {
  font-weight: bold;
}

.memo-body {
  margin: 4px 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.meta {
  font-size: 0.85rem;
  color: #666;
}

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

.task-item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  cursor: pointer;
}

.task-main {
  flex: 1;
  word-break: break-word;
}

.task-item.done .task-text {
  text-decoration: line-through;
  color: #999;
}

.status {
  display: inline-block;
  font-size: 0.85rem;
  padding: 1px 8px;
  border-radius: 10px;
  margin-left: 6px;
  background: #fde8e7;
  color: #c9302c;
}

.task-item.done .status {
  background: #e3f4e5;
  color: #2e7d32;
}

/* 週次の振り返り */
.field-label {
  font-size: 0.9rem;
  color: #555;
}

.week-range {
  font-size: 0.9rem;
  color: #6b46c1;
  font-weight: bold;
}

.hint {
  margin: 0;
  font-size: 0.85rem;
  color: #777;
}

.review-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-week {
  font-weight: bold;
}

.badge-this-week {
  font-size: 0.8rem;
  padding: 1px 8px;
  border-radius: 10px;
  background: #fff3cd;
  color: #a06b00;
}

.review-footer {
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-footer .meta {
  flex: 1;
}

.edit-btn {
  background: #fff;
  color: #6b46c1;
  border: 1px solid #9f7aea;
  padding: 4px 10px;
  font-size: 0.85rem;
}

.edit-btn:hover {
  background: #9f7aea;
  color: #fff;
}

.delete-btn {
  background: #fff;
  color: #d9534f;
  border: 1px solid #d9534f;
  padding: 4px 10px;
  font-size: 0.85rem;
}

.delete-btn:hover,
.delete-btn.confirming {
  background: #d9534f;
  color: #fff;
}