:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --border: #dde1e6;
  --text: #1f2430;
  --text-sub: #6b7280;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

/* ---- ログイン画面 ---- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
}
.login-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.login-card h1 { margin: 0 0 4px; font-size: 1.4rem; text-align: center; }
.login-card .sub { margin: 0 0 24px; text-align: center; color: var(--text-sub); font-size: 0.9rem; }
.login-card form { display: flex; flex-direction: column; gap: 16px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; color: var(--text-sub); }
.login-card input {
  padding: 12px 14px;
  font-size: 1.05rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.login-card button {
  margin-top: 8px;
  padding: 13px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
.login-card button:active { background: var(--primary-dark); }
.error-msg { color: var(--danger); font-size: 0.85rem; margin: 4px 0 0; text-align: center; }

/* ---- アプリ全体レイアウト ---- */
.app-header {
  background: var(--primary);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.app-header h1 { font-size: 1.1rem; margin: 0; }
.app-header .user-info { font-size: 0.8rem; opacity: 0.9; display: flex; align-items: center; gap: 10px; }
.app-header button {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
}

.tabs {
  display: flex;
  overflow-x: auto;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 52px;
  z-index: 9;
}
.tab-btn {
  flex: 1 0 auto;
  padding: 14px 16px;
  font-size: 0.95rem;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-sub);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

main { padding: 16px; max-width: 720px; margin: 0 auto; padding-bottom: 60px; }
.panel { display: none; }
.panel.active { display: block; }

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.card h2 { margin: 0 0 14px; font-size: 1.05rem; }

/* QRリーダー */
#qrReaderWrap { width: 100%; max-width: 420px; margin: 0 auto; }
#qrReader { width: 100%; border-radius: 8px; overflow: hidden; }
.qr-controls { display: flex; gap: 10px; margin-top: 12px; justify-content: center; }

.btn {
  padding: 11px 18px;
  border-radius: 8px;
  border: none;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:active { background: var(--primary-dark); }
.btn-secondary { background: #eef1f5; color: var(--text); }
.btn-danger { background: #fdecec; color: var(--danger); }
.btn-block { width: 100%; }

/* 検索 */
.search-box { display: flex; gap: 8px; }
.search-box input {
  flex: 1;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.result-list { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.result-item {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.result-item:active { background: #f0f4ff; }
.result-item .code { font-weight: 700; }
.result-item .name { color: var(--text-sub); font-size: 0.85rem; }

/* 製品情報カード + 入力フォーム */
.product-info { background: #f0f4ff; border-radius: 8px; padding: 14px; margin-bottom: 14px; }
.product-info .code { font-size: 1.2rem; font-weight: 700; }
.product-info .name { font-size: 1rem; color: var(--text); margin-top: 2px; }
.product-info .meta { font-size: 0.8rem; color: var(--text-sub); margin-top: 6px; }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 0.85rem; color: var(--text-sub); margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 1.05rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.status-options { display: flex; flex-wrap: wrap; gap: 8px; }
.status-chip {
  padding: 10px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: 0.9rem;
}
.status-chip.selected { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 一覧テーブル */
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { padding: 8px 6px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { color: var(--text-sub); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.list-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 8px; flex-wrap: wrap; }
.count-badge { font-size: 0.85rem; color: var(--text-sub); }

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #1f2430;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.toast.show { opacity: 1; }
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

.hint { font-size: 0.8rem; color: var(--text-sub); line-height: 1.5; }
.admin-only { display: none; }
/* パネル(タブの中身)以外の管理者専用要素(ボタン等)はis-adminで表示 */
body.is-admin .admin-only:not(.panel) { display: block; }
.tabs .admin-only { display: none; }
body.is-admin .tabs .admin-only { display: flex; }
/* パネルは「管理者であること」と「タブが選択されていること」の両方を満たす場合のみ表示 */
.panel.admin-only { display: none; }
body.is-admin .panel.admin-only.active { display: block; }

.employee-list { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.employee-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.9rem;
}