/* anken — 自前CSS（外部CDN不使用）。スマホファースト・軽量・視認性重視 */

:root {
  --color-bg: #f4f6f4;
  --color-surface: #ffffff;
  --color-border: #dfe5df;
  --color-text: #1f2924;
  --color-text-muted: #6b756f;
  --color-primary: #2c6e49;
  --color-primary-dark: #1f4f34;
  --color-danger: #b3402c;
  --color-warn: #c9861d;
  --radius: 10px;
  --gap: 12px;
  --nav-height: 60px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--gap) var(--gap) calc(var(--nav-height) + 24px);
}

/* セクション */
.section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: var(--gap);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--color-text-muted);
}

.section-header .section-title { margin: 0; }

.page-title {
  font-size: 20px;
  font-weight: 700;
  margin: 4px 0 8px;
}

.back-link {
  display: inline-block;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

/* ボタン */
.btn {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-danger { color: var(--color-danger); border-color: var(--color-danger); }
.btn-small { padding: 6px 10px; font-size: 13px; }
.btn-tiny { padding: 4px 8px; font-size: 12px; border-radius: 6px; }
.btn-block { display: block; width: 100%; text-align: center; }

.badge {
  display: inline-block;
  font-size: 12px;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border-radius: 6px;
  padding: 3px 8px;
}

/* フォーム共通 */
input[type="text"], input[type="password"], input[type="date"], input[type="datetime-local"],
select, textarea {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 9px 10px;
  background: var(--color-surface);
  width: 100%;
}
textarea { resize: vertical; }

.form-error {
  color: var(--color-danger);
  font-size: 13px;
  margin-top: 6px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.filter-bar select, .filter-bar input[type="text"] { flex: 1 1 120px; width: auto; }

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
  padding: 10px;
  background: var(--color-bg);
  border-radius: 8px;
}
.inline-form input, .inline-form select { flex: 1 1 120px; width: auto; }

/* クイック閃き入力（ホーム） */
.quick-idea-form { display: flex; flex-direction: column; gap: 8px; }
.quick-idea-row { display: flex; gap: 8px; }
.quick-idea-input { flex: 1; }

.kubun-toggle { display: inline-flex; gap: 6px; }
.kubun-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  cursor: pointer;
}
.kubun-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* タスクリスト */
.task-list { list-style: none; margin: 0; padding: 0; }
.task-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.task-item:last-child { border-bottom: none; }

.task-check { display: flex; align-items: center; cursor: pointer; }
.task-check input { display: none; }
.task-check-box {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: inline-block;
}
.task-check input:checked + .task-check-box {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.task-info { flex: 1; display: flex; flex-direction: column; gap: 2px; text-decoration: none; color: inherit; }
.task-title { font-weight: 600; }
.task-meta { display: flex; gap: 8px; font-size: 12px; color: var(--color-text-muted); }
.task-due.overdue { color: var(--color-danger); font-weight: 700; }

.priority-badge { font-size: 11px; border-radius: 6px; padding: 1px 6px; background: var(--color-bg); }
.priority-badge.priority-1 { color: var(--color-danger); }
.priority-badge.priority-2 { color: var(--color-warn); }
.priority-badge.priority-3 { color: var(--color-text-muted); }

.task-item.done { opacity: 0.5; text-decoration: line-through; }

/* 閃きカード */
.idea-card-grid { display: flex; flex-direction: column; gap: 10px; }
.idea-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 10px;
  background: var(--color-bg);
}
.idea-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-size: 12px; }
.idea-kubun { border-radius: 6px; padding: 2px 8px; font-weight: 700; }
.idea-kubun.kubun-仕事 { background: #dbe9e0; color: var(--color-primary-dark); }
.idea-kubun.kubun-日常 { background: #f0e6d2; color: #7a5a1a; }
.idea-category { color: var(--color-text-muted); }
.idea-date { margin-left: auto; color: var(--color-text-muted); }
.idea-content { margin: 4px 0 8px; white-space: pre-wrap; }
.idea-actions { display: flex; flex-wrap: wrap; gap: 6px; }

.tag-chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0; }
.tag-chip {
  display: inline-block;
  background: #e4efe7;
  color: var(--color-primary-dark);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
}

.idea-form { display: flex; flex-direction: column; gap: 8px; }
.idea-form-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.category-input { flex: 1 1 140px; }

/* タイムライン */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-time { font-size: 12px; color: var(--color-text-muted); margin-right: 8px; }
.timeline-kind { font-size: 11px; color: var(--color-text-muted); }
.timeline-project { font-size: 12px; color: var(--color-primary); margin-right: 4px; }
.timeline-body { margin: 4px 0 0; white-space: pre-wrap; }
.timeline-item.kind-status .timeline-body { color: var(--color-warn); font-weight: 600; }
.timeline-item.kind-system .timeline-body { color: var(--color-text-muted); font-style: italic; }

/* 案件 */
.project-list, .customer-list { list-style: none; margin: 0; padding: 0; }
.project-item, .customer-item { border-bottom: 1px solid var(--color-border); }
.project-item:last-child, .customer-item:last-child { border-bottom: none; }
.project-link, .customer-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  color: inherit;
  text-decoration: none;
}
.project-name, .customer-name { font-weight: 600; }
.project-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--color-text-muted); }
.customer-meta { font-size: 12px; color: var(--color-text-muted); }

.project-status { border-radius: 6px; padding: 1px 8px; }
.status-active { background: #dbe9e0; color: var(--color-primary-dark); }
.status-waiting { background: #f0e6d2; color: #7a5a1a; }
.status-done { background: #e2e2e2; color: #555; }
.status-dropped { background: #f3dcd6; color: var(--color-danger); }

.project-header-meta { color: var(--color-text-muted); margin: 0 0 8px; }
.status-buttons { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.status-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  cursor: pointer;
}
.status-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.project-note { white-space: pre-wrap; color: var(--color-text-muted); font-size: 14px; }

.log-form { display: flex; flex-direction: column; gap: 8px; }
.log-form-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.log-form-row select, .log-form-row input[type="datetime-local"] { flex: 1 1 140px; }

.customer-kana, .customer-note { color: var(--color-text-muted); }

/* 検索 */
.search-form { display: flex; gap: 8px; margin-bottom: 10px; }
.search-results { display: flex; flex-direction: column; gap: 16px; }
.search-group-title { font-size: 14px; font-weight: 700; margin: 0 0 6px; color: var(--color-text-muted); }
.search-item {
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  color: inherit;
  text-decoration: none;
}
.search-item:last-child { border-bottom: none; }
.search-item mark { background: #fdf1c0; padding: 0 1px; }

/* ログイン */
.login-box {
  max-width: 320px;
  margin: 15vh auto 0;
  text-align: center;
}
.login-title { font-size: 28px; font-weight: 800; color: var(--color-primary); margin-bottom: 4px; }
.login-lead { color: var(--color-text-muted); margin-bottom: 16px; }
.login-form { display: flex; flex-direction: column; gap: 10px; }

/* 空状態 */
.empty-state {
  list-style: none;
  color: var(--color-text-muted);
  text-align: center;
  padding: 20px 8px;
  font-size: 14px;
}

/* トースト */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-height) + 12px);
  transform: translateX(-50%);
  background: #23302a;
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  z-index: 50;
}
.toast[hidden] { display: none; }
.toast-undo {
  background: none;
  border: none;
  color: #9ee6b8;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}

.logout-btn {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 45;
  opacity: 0.85;
}

/* 下部固定ナビ */
.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--nav-height);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  display: flex;
  z-index: 40;
  padding-bottom: env(safe-area-inset-bottom);
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 11px;
}
.nav-item.active { color: var(--color-primary); font-weight: 700; }
.nav-icon { font-size: 20px; line-height: 1; }

/* PC幅ではナビを上部に固定し余白を調整 */
@media (min-width: 720px) {
  .page { padding-top: calc(var(--nav-height) + 16px); }
  .bottom-nav {
    top: 0;
    bottom: auto;
    border-top: none;
    border-bottom: 1px solid var(--color-border);
    max-width: 720px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0 0 var(--radius) var(--radius);
  }
}