:root {
  --pri: #0F4C81;        /* plibot primary (sales準拠) */
  --pri-dark: #0c3e69;
  --accent: #3DBEAA;
  --side: #55576c;       /* サイドバー背景 (vd-pB) */
  --side-hover: #444656;
  --side-active: rgba(255,255,255,0.18);
  --side-sub: #cfe0f0;   /* サブ項目文字 */
  --bg: #F6F8FA;
  --card: #ffffff;
  --line: #e4e8ef;
  --text: #1a2233;
  --muted: #6b7280;
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --sidebar-w: 224px;   /* Sales・Care と同じ幅 */
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;  /* salesと統一 */
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
/* ===== レイアウト（サイドバー＋メイン）===== */
.app-shell { display: flex; align-items: flex-start; min-height: 100vh; }
.app-main { flex: 1; min-width: 0; }

/* ===== サイドバー（sales準拠の配色・UI）===== */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--side);
  color: #fff;
  align-self: stretch;
  position: sticky; top: 0;
  height: 100vh;
  display: flex; flex-direction: column;
  overflow-y: auto;
  z-index: 50;
}
.side-head { padding: 16px 16px 10px; }
.side-brand { color: #fff; font-weight: bold; font-size: 1.125rem; text-decoration: none; display: block; }
.side-sub, .side-user { letter-spacing: .01em; }
.side-sub { color: var(--side-sub); font-size: .75rem; margin: 2px 0 0; }
.side-nav { display: flex; flex-direction: column; gap: 2px; padding: 4px 8px 12px; flex: 1; }

/* トップ項目（ダッシュボード） */
.side-nav > .side-link {
  font-weight: 700; font-size: 1rem;
  margin-bottom: 4px;
}
/* グループ */
.nav-group { margin-top: 2px; }
.nav-group > summary {
  list-style: none; cursor: pointer;
  padding: 8px 10px; font-weight: 700; font-size: 1rem; color: #fff;
  border-radius: 6px; display: flex; align-items: center; justify-content: space-between;
}
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary::after { content: "▼"; font-size: 10px; color: var(--side-sub); transition: transform .15s; }
.nav-group:not([open]) > summary::after { transform: rotate(-90deg); }
.nav-group > summary:hover { background: var(--side-hover); }

/* 通常リンク */
.side-link {
  display: block; text-decoration: none; color: #fff;
  padding: 8px 12px; border-radius: 6px; font-size: .9rem;
  border-left: 3px solid transparent;
}
.nav-group .side-link { padding-left: 22px; color: var(--side-sub); font-size: .875rem; }
.side-link:hover { background: var(--side-hover); color: #fff; }
.side-link.active {
  background: var(--side-active); color: #fff; font-weight: 600;
  border-left-color: #fff;
}

/* フッター（ユーザー・ログアウト） */
.side-foot { margin-top: auto; border-top: 1px solid rgba(255,255,255,.15); padding: 10px 12px; }
.side-user { font-size: .78rem; color: var(--side-sub); margin-bottom: 6px; }
.side-logout {
  display: block; text-align: left; color: var(--side-sub); text-decoration: none;
  padding: 8px 10px; border-radius: 6px; font-size: .875rem;
}
.side-logout:hover { background: #b91c1c; color: #fff; }

/* モバイル用トップバー / ドロワー（PCでは非表示） */
.mobile-topbar { display: none; }
.drawer-overlay { display: none; }

.flash { border-radius: 6px; padding: 10px 12px; margin-bottom: 12px; }
.flash-ok { background: #eafaef; border: 1px solid #28a745; }
.flash-err { background: #fdecea; border: 1px solid #dc3545; }

.container { max-width: 1200px; margin: 24px auto; padding: 0 20px; }
h1 { margin-top: 0; color: var(--pri); font-size: 1.4rem; }
h2 { border-bottom: 1px solid var(--line); padding-bottom: 6px; margin-top: 28px;
     color: var(--pri); font-size: 1.1rem; }
h3 { color: var(--text); font-size: 1rem; }
section { margin-bottom: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }

table.data { width: 100%; border-collapse: collapse; background: #fff; }
table.data th, table.data td { border: 1px solid var(--line); padding: 6px 10px; font-size: 0.94em; vertical-align: middle; }
table.data thead th { background: #eef2f7; }
table.data tr.low td { background: #fff3f3; }
table.data tr.inactive td { color: #aaa; text-decoration: line-through; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }
table.kv { width: 100%; }
table.kv th { text-align: left; background: #eef2f7; width: 140px; padding: 8px; border-bottom: 1px solid var(--line); }
table.kv td { padding: 8px; border-bottom: 1px solid var(--line); }

form .grid-form, .grid-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px 14px;
  align-items: end;
}
.grid-form label { display: flex; flex-direction: column; font-size: 0.92em; color: var(--muted); }
.grid-form input, .grid-form select { padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px; font-size: 1em; background: #fff; }
.grid-form .span2 { grid-column: span 2; }
.grid-form .span3 { grid-column: 1 / -1; }
/* SKU の組み立て（カテゴリ・メーカー・区分を選ぶと SKU 欄が埋まる） */
.sku-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.sku-row select { flex: 0 1 auto; min-width: 150px; }
.sku-row input { flex: 1 1 220px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
@media (max-width: 700px) { .sku-row select, .sku-row input { flex: 1 1 100%; } }
@media (max-width: 700px) {
  form .grid-form { grid-template-columns: 1fr; }
}

button, .btn-primary, .btn-link {
  cursor: pointer; font-size: 1em;
}
button.btn-primary, .btn-primary {
  background: var(--pri); color: #fff; border: 0; border-radius: 4px; padding: 10px 16px; text-decoration: none; display: inline-block;
}
button.btn-primary:hover, .btn-primary:hover { background: var(--pri-dark); }
button.btn-link, .btn-link { background: transparent; color: var(--pri); border: 0; padding: 4px 6px; }
button.btn-link:hover, .btn-link:hover { text-decoration: underline; }
button.btn-activate { color: #28a745; }
button.btn-activate:hover { color: #1e7e34; }
form.inline { display: inline-flex; gap: 6px; align-items: center; margin: 0; }
form.inline input[type=number] { width: 90px; padding: 4px 6px; }

.badge { padding: 2px 8px; border-radius: 999px; font-size: 0.82em; }
.badge.ok { background: #dcfce7; color: var(--ok); }
.badge.warn { background: #fef3c7; color: var(--warn); }
.badge.danger { background: #fee2e2; color: var(--danger); }

.login-box { max-width: 380px; margin: 72px auto; background: #fff; padding: 24px;
  border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,0.05); }
.login-brand { margin: 0 0 2px; color: var(--pri); font-size: 1.25rem; font-weight: 700; }
.login-sub { margin: 0 0 16px; color: var(--muted); font-size: .75rem; }
.login-form { display: flex; flex-direction: column; gap: 12px; }
.login-box input { width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 4px; font-size: 1em; box-sizing: border-box; }
.login-box .btn-primary { width: 100%; padding: 10px; }
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 42px; }
.pw-toggle { position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  background: transparent; border: 0; padding: 6px 8px; font-size: 1rem; line-height: 1; }
.login-note { color: var(--muted); font-size: .78rem; margin: 16px 0 0; line-height: 1.7; }
.login-box .hint { color: var(--muted); font-size: 0.85em; margin-top: 12px; }
.login-box .err { color: var(--danger); background: #fdecea; border: 1px solid #f5c6cb;
  border-radius: 4px; padding: 8px 10px; font-size: .85rem; margin: 0 0 12px; }

.mode-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin-bottom: 12px; }
.mode-switch a { padding: 8px 16px; text-decoration: none; color: var(--text); background: #fff; }
.mode-switch a.on { background: var(--pri); color: #fff; }
.msg { color: var(--ok); font-weight: bold; }

.low { color: var(--danger); }
.muted { color: var(--muted); }

/* Product images */
.product-thumb { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); }
.no-image { display: inline-block; width: 60px; height: 60px; line-height: 60px; text-align: center; background: var(--bg); border-radius: 6px; font-size: .65rem; color: var(--muted); border: 1px dashed var(--line); }
.img-cell { position: relative; width: 120px; min-width: 120px; overflow: hidden; }
.img-upload-mini { margin-top: 2px; display: flex; align-items: center; gap: 2px; max-width: 100%; }
.img-upload-mini input[type="file"] { width: 70px; font-size: .6rem; opacity: .7; overflow: hidden; text-overflow: ellipsis; }
.img-upload-mini input[type="file"]:hover { opacity: 1; }
.img-upload-mini .btn-camera-sm { flex-shrink: 0; font-size: 1.1rem; padding: 2px; cursor: pointer; background: none; border: none; }
.active-filter { font-weight: bold; color: var(--pri); }

/* ===== テーブル横スクロール ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -4px; padding: 0 4px; }

/* ===== モバイル（768px以下）===== */
@media (max-width: 768px) {
  /* モバイル用トップバー */
  .mobile-topbar {
    display: flex; align-items: center; justify-content: space-between;
    position: fixed; top: 0; left: 0; right: 0; height: 48px; padding: 0 8px;
    background: var(--side); color: #fff; z-index: 60;
  }
  .drawer-toggle { background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 4px 10px; }
  .mobile-brand { color: #fff; text-decoration: none; font-weight: bold; font-size: 1rem; }

  /* サイドバー: オフキャンバス・ドロワー */
  .sidebar {
    position: fixed; top: 0; left: 0; height: 100vh; width: 260px;
    transform: translateX(-100%); transition: transform .2s ease;
  }
  body.drawer-open .sidebar { transform: translateX(0); }
  body.drawer-open .drawer-overlay {
    display: block; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 45;
  }

  /* メインはトップバー分だけ下げる */
  .app-shell { padding-top: 48px; }

  /* コンテナ */
  .container { margin: 12px auto; padding: 0 10px; }
  h1 { font-size: 1.3em; }
  h2 { font-size: 1.1em; margin-top: 20px; }

  /* カード */
  .card { padding: 12px; border-radius: 6px; }

  /* フォーム: 常に1列 */
  form .grid-form, .grid-form { grid-template-columns: 1fr; gap: 8px; }
  .grid-form .span2 { grid-column: span 1; }
  .grid-form input, .grid-form select { font-size: 16px; /* iOSズーム防止 */ }

  /* テーブル */
  table.data th, table.data td { padding: 5px 6px; font-size: .82em; white-space: nowrap; }
  table.kv th { width: 100px; padding: 6px; font-size: .85em; }
  table.kv td { padding: 6px; font-size: .9em; }

  /* ボタン */
  button.btn-primary, .btn-primary { padding: 10px 14px; font-size: .95em; }
  form button.btn-primary { width: 100%; }
  a.btn-primary { display: inline-block; margin: 4px 4px 4px 0; }

  /* 商品写真 */
  .product-thumb { width: 44px; height: 44px; }
  .no-image { width: 44px; height: 44px; line-height: 44px; font-size: .55rem; }
  .img-cell { width: 90px; min-width: 90px; overflow: hidden; }
  .img-upload-mini { flex-direction: column; gap: 4px; align-items: flex-start; max-width: 100%; }
  .img-upload-mini input[type="file"] { width: 100%; max-width: 85px; font-size: .65rem; opacity: 1; overflow: hidden; }
  .img-upload-mini .btn-camera-sm { font-size: 1.2rem; padding: 4px 8px; }

  /* ログイン */
  .login-box { margin: 40px 12px; padding: 20px; }

  /* モードスイッチ */
  .mode-switch a { padding: 6px 12px; font-size: .9em; }
}

/* ===== iPhone SE 等の小型（375px以下）===== */
@media (max-width: 400px) {
  .mobile-brand { font-size: .9rem; }
  .container { padding: 0 6px; }
  h1 { font-size: 1.15em; }
  table.data th, table.data td { padding: 3px 4px; font-size: .75em; }
  .product-thumb { width: 36px; height: 36px; }
  .no-image { width: 36px; height: 36px; line-height: 36px; }
  .img-cell { width: 70px; min-width: 70px; overflow: hidden; }
  .img-upload-mini { flex-direction: column; gap: 2px; }
  .img-upload-mini input[type="file"] { width: 100%; max-width: 65px; font-size: .6rem; overflow: hidden; }
  button.btn-primary, .btn-primary { padding: 8px 10px; font-size: .9em; }
}