:root {
  --bg: #f5f5fa;
  --panel-bg: #ffffff;
  --text: #23272f;
  --muted: #6b7280;
  --accent: #6d5ce8;
  --accent-dark: #5a48d8;
  --border: #e5e3f5;
  --done: #9ca3af;
  --note-color: #f4a3a3;
  --task-color: #34c98d;
  --done-color: #f4b13d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 32px 12px;
}

.app-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.app-header h1 {
  margin: 0;
  font-size: 22px;
}

.app-subtitle {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.dashboard {
  display: flex;
  gap: 16px;
  padding: 16px 32px;
}

.stat-card {
  flex: 1;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 18px 20px;
}

.stat-note { border-left-color: var(--note-color); }
.stat-task { border-left-color: var(--task-color); }
.stat-done { border-left-color: var(--done-color); }

.stat-icon {
  font-size: 20px;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
}

.stat-note .stat-value { color: var(--note-color); }
.stat-task .stat-value { color: var(--task-color); }
.stat-done .stat-value { color: var(--done-color); }

.stat-label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

.latest-review-wrap {
  padding: 0 32px 20px;
}

.latest-review {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 14px;
  padding: 18px 24px;
  color: #fff;
}

.latest-review-label {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.9;
  margin-bottom: 6px;
}

.latest-review-week {
  font-size: 12px;
  opacity: 0.85;
  margin-bottom: 2px;
}

.latest-review-body {
  font-size: 14px;
  white-space: pre-wrap;
}

.columns {
  display: flex;
  gap: 16px;
  padding: 0 32px 20px;
  align-items: flex-start;
}

.panel {
  flex: 1;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.panel h2 {
  margin-top: 0;
  font-size: 16px;
}

.form {
  background: #faf9fe;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

.form label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.form input,
.form textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  background: #fff;
}

.form button {
  align-self: flex-start;
  margin-top: 12px;
  padding: 9px 18px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.form button:hover {
  background: var(--accent-dark);
}

.list-heading {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 10px;
}

.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 12px 14px;
}

.item-title {
  font-weight: 600;
  font-size: 14px;
}

.item-body {
  font-size: 13px;
  color: var(--text);
  margin-top: 4px;
  white-space: pre-wrap;
}

.item-meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
}

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

.task-item .task-main {
  flex: 1;
}

.task-item.done {
  background: #f2fbf7;
  border-color: #cdeee0;
}

.task-item.done .item-title {
  text-decoration: line-through;
  color: var(--done);
}

.task-item button.delete {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 12px;
}

.task-item button.delete:hover {
  color: #dc2626;
  border-color: #dc2626;
}

.review-panel {
  margin: 0 32px 32px;
}

.review-form {
  max-width: 480px;
}

.review-item-week {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}

.empty {
  color: var(--muted);
  font-size: 13px;
  padding: 8px 0;
}