/* cx-package: 共通スタイル
   - テナント別の色は CSS 変数で上書き
   - スペーシング/タイポ/コントラストを統一
*/

:root {
  --brand-color: #2563eb;
  --accent-color: #0ea5e9;
  --text-color: #0f172a;
  --background-color: #f8fafc;
  --font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;

  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --muted: #64748b;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --success: #059669;
  --success-bg: #ecfdf5;
  --warn: #d97706;
  --warn-bg: #fffbeb;
  --info: #1e40af;
  --info-bg: #eff6ff;

  --radius: 8px;
  --radius-sm: 6px;
  --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-2: 0 8px 24px rgba(15, 23, 42, 0.08);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  background: var(--background-color);
  color: var(--text-color);
  font-size: 14px;
  line-height: 1.55;
}
h1, h2, h3, h4 { line-height: 1.3; margin-top: 0; }
h2 { font-size: 16px; margin-bottom: var(--space-3); }
h3 { font-size: 14px; margin-bottom: var(--space-2); }
p { margin: 0 0 var(--space-3); }
small { color: var(--muted); }
a { color: var(--brand-color); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--surface-2); padding: 1px 6px; border-radius: 4px; font-size: 12px; }

:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------------- header ---------------- */
.app-header {
  background: var(--brand-color);
  color: #fff;
  box-shadow: var(--shadow-1);
}
.app-header__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.app-header__brand { color: #fff; font-weight: 700; font-size: 18px; display: inline-flex; align-items: center; gap: var(--space-2); }
.app-header__brand:hover { text-decoration: none; }
.app-header__nav { display: flex; align-items: center; gap: var(--space-3); }
.app-header__user { font-size: 13px; opacity: 0.9; }

/* ---------------- layout ---------------- */
.app-main { max-width: 1280px; margin: var(--space-6) auto; padding: 0 var(--space-5); }

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 58px);
}
.side {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: var(--space-5) var(--space-4);
}
.side__group { margin-bottom: var(--space-5); }
.side__group h3 {
  margin: 0 0 var(--space-2);
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.side a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-color);
  font-size: 14px;
  margin-bottom: 2px;
}
.side a:hover { background: var(--surface-2); text-decoration: none; }
.side a.active { background: var(--brand-color); color: #fff; }
.side a .side__icon { width: 18px; text-align: center; display: inline-block; }
.side a .nav-badge {
  margin-left: auto;
  background: #e11d48;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  padding: 1px 7px;
  min-width: 18px;
  text-align: center;
  line-height: 1.4;
}
.side a .nav-badge--info { background: #2563eb; }
.side a.active .nav-badge { background: #fff; color: var(--brand-color); }

ul.tag-checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2px;
  max-height: 320px;
  overflow-y: auto;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  list-style: none;
  margin: 0;
}
ul.tag-checkbox-group li { list-style: none; }
ul.tag-checkbox-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
ul.tag-checkbox-group label:hover { background: var(--surface-2); }

.content { padding: var(--space-6); }

.nav-toggle { display: none; }

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .side {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: var(--space-3);
    display: none;
  }
  .side.is-open { display: block; }
  .side a { display: flex; margin-right: 0; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: #fff;
    border-radius: var(--radius-sm);
    width: 36px;
    height: 36px;
    font-size: 18px;
    cursor: pointer;
    margin-right: 8px;
  }
  .app-header__user { display: none; }
  .content { padding: var(--space-3); }
  .toolbar > form { min-width: 100%; }
  .stat__value { font-size: 22px; }
  .stat { padding: var(--space-3); }
  .card { padding: var(--space-4); }
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--space-2); }
}

/* さらに小さい画面 (≤ 480px) — モバイル縦持ち (Loop #52) */
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .stat { padding: 10px; }
  .stat__label { font-size: 11px; }
  .stat__value { font-size: 18px; }
  .page-header__title { font-size: 18px; }
  .page-header__subtitle { font-size: 12px; }
  .card { padding: 12px; }
  .room-grid { grid-template-columns: 1fr; }
  .mem-grid { grid-template-columns: 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
  /* システム管理者テナント一覧 / IdP 一覧などの auto-fill カードも狭い画面で強制 1 列 (Loop #54) */
  .tnt-grid { grid-template-columns: 1fr !important; }
  /* 検索結果カードの本문 행간을 좀 더 좁게 */
  .card ul { gap: 8px !important; }
  /* 시스템 관리자 헤더의 이메일을 모바일에서는 줄여서 표시 */
  .app-header__user { font-size: 11px; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

/* チャート / sparkline のモバイル微調整 (Loop #53) */
.chart-bar {
  flex: 1;
  min-width: 14px; /* タップ可能な最小幅 (モバイル親指) */
}
@media (max-width: 480px) {
  .chart-bar { min-width: 16px; }
  .chart-day-labels { font-size: 9px; }
  /* メンバー一覧テーブルの sparkline 列は狭いモバイルで親 cell が圧迫されるので 100px 確保 */
  .member-spark-cell { min-width: 100px !important; }
}

/* ---------------- footer ---------------- */
.app-footer { text-align: center; padding: var(--space-5); color: var(--muted); font-size: 12px; }

/* ---------------- page header ---------------- */
.page-header { margin-bottom: var(--space-5); }
.page-header__row { display: flex; gap: var(--space-3); justify-content: space-between; align-items: flex-end; flex-wrap: wrap; }
.page-header__title { font-size: 22px; margin: 0 0 var(--space-1); font-weight: 700; }
.page-header__subtitle { color: var(--muted); margin: 0; }
.page-header__actions { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; }

.breadcrumbs { font-size: 12px; color: var(--muted); margin-bottom: var(--space-2); }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs__sep { margin: 0 6px; }
.breadcrumbs__current { color: var(--text-color); font-weight: 500; }

/* ---------------- cards ---------------- */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-1);
}
.card--flush { padding: 0; }
.card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-3); }
.card__title { font-size: 16px; font-weight: 600; margin: 0; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-1);
}
.stat__label { color: var(--muted); font-size: 12px; }
.stat__value { font-size: 28px; font-weight: 700; margin-top: 2px; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--brand-color);
  background: var(--brand-color);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: filter 0.15s ease, transform 0.05s ease;
}
.btn:hover { filter: brightness(0.95); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.6; cursor: not-allowed; }
.btn--secondary { background: var(--surface); color: var(--text-color); border-color: var(--border-strong); }
.btn--secondary:hover { background: var(--surface-2); }
.btn--danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn--ghost { background: transparent; border-color: transparent; color: var(--brand-color); padding: 6px 8px; }
.btn--link { background: transparent; border: none; color: #fff; padding: 0; cursor: pointer; text-decoration: underline; font-size: 13px; }
.btn--sm { padding: 4px 10px; font-size: 12px; }
.btn-group { display: inline-flex; gap: var(--space-2); }

/* ---------------- tables ---------------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}
.table th, .table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}
.table th {
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 600;
  text-transform: none;
  font-size: 12px;
  letter-spacing: 0.02em;
}
.table tbody tr:hover { background: rgba(15, 23, 42, 0.025); }
.table tbody tr:last-child td { border-bottom: none; }
.table__actions { text-align: right; white-space: nowrap; }
.table__actions .btn { margin-left: 4px; }
.table .muted { color: var(--muted); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 12px;
  background: var(--surface-2);
  color: var(--text-color);
  border: 1px solid var(--border);
}
.badge--success { background: var(--success-bg); color: var(--success); border-color: transparent; }
.badge--danger { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.badge--info { background: var(--info-bg); color: var(--info); border-color: transparent; }
.badge--warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }

/* ---------------- forms ---------------- */
.form-stack { display: flex; flex-direction: column; gap: var(--space-3); }
.form-field { display: block; margin-bottom: var(--space-3); }
.form-field label { display: block; font-size: 13px; color: var(--text-color); margin-bottom: 4px; font-weight: 500; }
.form-field__req { color: var(--danger); margin-left: 2px; }
.form-field input[type=text],
.form-field input[type=email],
.form-field input[type=password],
.form-field input[type=number],
.form-field input[type=search],
.form-field input[type=url],
.form-field input[type=date],
.form-field input[type=color],
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 14px;
  color: var(--text-color);
  font-family: inherit;
}
.form-field input[type=color] { padding: 2px; height: 36px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 2px solid var(--brand-color);
  outline-offset: 1px;
  border-color: var(--brand-color);
}
.form-field__help { font-size: 12px; color: var(--muted); margin-top: 4px; }
.form-field__errors { color: var(--danger); font-size: 12px; list-style: none; padding: 0; margin: 4px 0 0; }
.form-field--error input, .form-field--error select, .form-field--error textarea { border-color: var(--danger); }
.form-actions { display: flex; gap: var(--space-2); align-items: center; margin-top: var(--space-4); }

.toolbar { display: flex; gap: var(--space-2); align-items: center; margin-bottom: var(--space-3); flex-wrap: wrap; }
.toolbar > form { display: flex; gap: var(--space-2); flex: 1; min-width: 240px; }
.toolbar > form > * { margin-bottom: 0 !important; }
.toolbar .form-field { margin-bottom: 0; flex: 1; }

/* ---------------- alerts ---------------- */
.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  font-size: 13px;
  border: 1px solid transparent;
}
.alert--error { background: var(--danger-bg); color: var(--danger); border-color: #fecaca; }
.alert--success { background: var(--success-bg); color: var(--success); border-color: #a7f3d0; }
.alert--info { background: var(--info-bg); color: var(--info); border-color: #bfdbfe; }
.alert--warn { background: var(--warn-bg); color: var(--warn); border-color: #fde68a; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }

/* ---------------- toasts (flash messages) ---------------- */
.toasts {
  position: fixed;
  top: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  max-width: 360px;
}
.toast {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-color);
  box-shadow: var(--shadow-2);
  border-left: 4px solid var(--brand-color);
  font-size: 13px;
  animation: toast-in 0.2s ease-out;
}
.toast--success { border-left-color: var(--success); }
.toast--error { border-left-color: var(--danger); }
.toast--warning { border-left-color: var(--warn); }
.toast--info { border-left-color: var(--info); }
@keyframes toast-in {
  from { transform: translateY(-8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ---------------- empty state ---------------- */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-5);
}
.empty-state__icon { font-size: 36px; margin-bottom: var(--space-2); }
.empty-state__title { font-size: 16px; margin: 0 0 var(--space-2); }
.empty-state__desc { color: var(--muted); margin: 0 0 var(--space-4); }

/* ---------------- utilities ---------------- */
.muted { color: var(--muted); font-size: 12px; }
.row-gap-3 { display: flex; flex-direction: column; gap: var(--space-3); }
.flex { display: flex; }
.flex-1 { flex: 1; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.align-center { align-items: center; }
.justify-end { justify-content: flex-end; }
.mt-3 { margin-top: var(--space-3); }
.mb-3 { margin-bottom: var(--space-3); }
.text-right { text-align: right; }
.nowrap { white-space: nowrap; }
.hidden { display: none !important; }

/* ---------------- help badge (Loop #28, popup added in Loop #58) ---------------- */
.help-badge-wrap {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  margin-left: 6px;
  cursor: help;
  outline: none;
}
.help-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #e2e8f0;
  color: #1e293b;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid #cbd5e1;
  user-select: none;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.help-badge-wrap:hover .help-badge,
.help-badge-wrap:focus-visible .help-badge,
.help-badge-wrap:focus-within .help-badge {
  background: var(--brand-color, #2563eb);
  color: #fff;
  border-color: transparent;
}

/* ポップアップ本体 — デフォルトは非表示、hover / focus / focus-within で表示 */
.help-badge__tip {
  position: absolute;
  z-index: 1000;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #0f172a;
  color: #f8fafc;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  white-space: pre-line;
  min-width: 200px;
  max-width: 320px;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease, visibility 0.12s;
  text-align: left;
  /* default-color の上書き (親が link でも継承되지 않게) */
  text-decoration: none;
}
.help-badge__tip::after {
  /* 화살표 */
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #0f172a;
}
.help-badge-wrap:hover .help-badge__tip,
.help-badge-wrap:focus .help-badge__tip,
.help-badge-wrap:focus-visible .help-badge__tip,
.help-badge-wrap:focus-within .help-badge__tip,
.help-badge-wrap.is-open .help-badge__tip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.help-badge-wrap.is-open .help-badge {
  background: var(--brand-color, #2563eb);
  color: #fff;
  border-color: transparent;
}

/* 화면 좌우 경계에서 잘리지 않도록 small-screen 정렬 — 우측에 가까우면 left:auto;right:0 */
@media (max-width: 600px) {
  .help-badge__tip {
    left: auto;
    right: 0;
    transform: translateY(4px);
    min-width: 160px;
    max-width: min(280px, calc(100vw - 32px));
  }
  .help-badge__tip::after {
    left: auto;
    right: 6px;
    transform: none;
  }
  .help-badge-wrap:hover .help-badge__tip,
  .help-badge-wrap:focus .help-badge__tip,
  .help-badge-wrap:focus-visible .help-badge__tip,
  .help-badge-wrap:focus-within .help-badge__tip,
  .help-badge-wrap.is-open .help-badge__tip {
    transform: translateY(0);
  }
}