:root {
  --bg: #f6f7f9;
  --surface: #fff;
  --text: #1f2328;
  --muted: #667085;
  --border: #d8dce2;
  --primary: #2458d6;
  --danger: #c62828;
  --success: #1b7f3b;
  --warning: #9a6700;
}

* { box-sizing: border-box; }
[x-cloak] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
}

a { color: var(--primary); }

/* --- ヘッダー --- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 52px;
  background: #1f2937; color: #fff;
}
.topbar a, .topbar button { color: #fff; text-decoration: none; }
.brand { font-weight: 700; }
.nav { display: flex; gap: 8px; flex: 1; }
.nav > a, .nav-group > button {
  padding: 6px 10px; border-radius: 6px;
  background: none; border: 0; font: inherit; cursor: pointer;
}
.nav > a:hover, .nav-group > button:hover { background: rgba(255,255,255,.12); }
.nav-group { position: relative; }
.nav-menu {
  position: absolute; top: 100%; left: 0; z-index: 10; min-width: 260px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,.12); padding: 6px 0;
}
.nav-menu a { display: block; padding: 8px 14px; color: var(--text) !important; }
.nav-menu a:hover { background: var(--bg); }
.btn-link { background: none; border: 0; cursor: pointer; font: inherit; }

/* --- レイアウト --- */
.container { max-width: 1400px; margin: 0 auto; padding: 24px; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.page-header h1 { font-size: 20px; margin: 0; }
.breadcrumb { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; margin-bottom: 16px;
}
.card h2 { font-size: 16px; margin: 0 0 12px; }
.grid-2 { display: grid; grid-template-columns: 380px 1fr; gap: 16px; align-items: start; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); }
.text-danger { color: var(--danger); }
.text-right { text-align: right; }
.nowrap { white-space: nowrap; }

/* --- ボタン --- */
.btn {
  display: inline-block; padding: 7px 14px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; cursor: pointer; text-decoration: none;
}
.btn:hover { filter: brightness(.97); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 3px 8px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* --- テーブル --- */
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: #eef1f5; font-weight: 600; font-size: 12px; white-space: nowrap; }
tr:hover td { background: #fafbfc; }
.thumb { width: 64px; height: 64px; object-fit: cover; border-radius: 4px; background: #eee; }

/* --- フォーム --- */
.form-row { margin-bottom: 14px; }
.form-row > label { display: block; font-weight: 600; margin-bottom: 4px; }
.form-row .help { color: var(--muted); font-size: 12px; margin-top: 2px; }
.form-row .errorlist { color: var(--danger); margin: 4px 0 0; padding-left: 18px; font-size: 12px; }
input[type=text], input[type=url], input[type=number], input[type=password], input[type=email],
input[type=datetime-local], select, textarea {
  width: 100%; padding: 7px 9px; border: 1px solid var(--border); border-radius: 6px;
  font: inherit; background: #fff;
}
input[type=checkbox] { width: auto; }
textarea { min-height: 80px; }
.inline-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }

/* --- バッジ・アラート --- */
.badge {
  display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px;
  background: #eef1f5; color: var(--text); white-space: nowrap;
}
.badge-primary { background: #e3ebff; color: var(--primary); }
.badge-success { background: #e2f4e8; color: var(--success); }
.badge-danger { background: #fde8e8; color: var(--danger); }
.badge-warning { background: #fff4d6; color: var(--warning); }
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; border: 1px solid var(--border); background: var(--surface); }
.alert-success { border-color: #b7e1c4; background: #eefaf2; }
.alert-error { border-color: #f3c0c0; background: #fdf0f0; }
.alert-dismissible { display: flex; align-items: center; gap: 8px; }
.alert-close { margin-left: auto; border: none; background: none; cursor: pointer; font-size: 14px; }
.alert-warning { border-color: #f0d890; background: #fffaeb; }

/* --- オートコンプリート --- */
.suggest { position: relative; }
.suggest-list {
  position: absolute; z-index: 5; left: 0; right: 0; max-height: 280px; overflow: auto;
  background: #fff; border: 1px solid var(--border); border-radius: 6px; margin-top: 2px;
}
.suggest-list button {
  display: block; width: 100%; text-align: left; padding: 6px 10px;
  background: none; border: 0; cursor: pointer; font: inherit;
}
.suggest-list button:hover { background: var(--bg); }

/* --- 画像 --- */
.image-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.image-tile {
  width: 120px; border: 1px solid var(--border); border-radius: 6px; padding: 6px; background: #fff;
  cursor: grab; font-size: 12px;
}
.image-tile img { width: 100%; height: 100px; object-fit: cover; border-radius: 4px; }
.image-tile.unused img { opacity: .35; }

/* --- ログイン --- */
.login-box { max-width: 360px; margin: 80px auto; }

/* HOME */
.checklist, .plain-list { list-style: none; padding: 0; margin: 12px 0; }
.checklist li, .plain-list li { padding: 4px 0; }
.checklist li.done a { color: var(--muted); }
.stat { display: flex; flex-direction: column; min-width: 110px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; color: inherit; text-decoration: none; }
.stat strong { font-size: 22px; }
.guide li { margin-bottom: 8px; line-height: 1.6; }

/* 送信中のボタン（二重送信防止） */
.is-busy { opacity: 0.6; cursor: progress; pointer-events: none; }

/* 出品データ編集画面の下部の操作バー */
.action-bar { position: sticky; bottom: 0; display: flex; flex-direction: column; gap: 8px; }
.action-bar .schedule-row { border-top: 1px solid var(--border); padding-top: 8px; }
.action-bar .schedule-row input { max-width: 220px; }

.settings-list { list-style: none; padding: 0; margin: 0; }
.settings-list li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.settings-list li:last-child { border-bottom: none; }