/* =====================================================
   StayGuide - Design System
   ===================================================== */

/* ----- 変数 ----- */
:root {
  --color-bg:           #f8f9fa;
  --color-surface:      #ffffff;
  --color-border:       #e2e8f0;
  --color-border-light: #f1f5f9;

  --color-text:         #1a202c;
  --color-text-sub:     #718096;
  --color-text-dim:     #a0aec0;

  --color-primary:       #3b82f6;
  --color-primary-dark:  #2563eb;
  --color-primary-light: #eff6ff;

  --color-green:         #10b981;
  --color-green-bg:      #ecfdf5;
  --color-yellow:        #f59e0b;
  --color-yellow-bg:     #fffbeb;
  --color-red:           #ef4444;
  --color-red-bg:        #fef2f2;
  --color-orange:        #f97316;
  --color-orange-bg:     #fff7ed;

  --color-nav:           #1e293b;
  --color-nav-text:      rgba(255,255,255,0.72);
  --color-nav-active:    rgba(255,255,255,0.12);
  --color-nav-hover:     rgba(255,255,255,0.06);

  --radius:    8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);

  --nav-width: 224px;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --font-en:   'Inter', sans-serif;

  --transition: 0.15s ease;
}

/* ----- リセット ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
input, button, select, textarea { font-family: inherit; }
img { max-width: 100%; }

/* =====================================================
   レイアウト
   ===================================================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ----- サイドバー ----- */
.sidebar {
  width: var(--nav-width);
  background: var(--color-nav);
  color: var(--color-nav-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo-text {
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.nav-list {
  list-style: none;
  padding: 8px 0;
  flex: 1;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--color-nav-text);
  border-radius: 6px;
  margin: 2px 8px;
  transition: background var(--transition), color var(--transition);
  font-size: .9rem;
}
.nav-item a:hover { background: var(--color-nav-hover); color: #fff; text-decoration: none; }
.nav-item.active a { background: var(--color-nav-active); color: #fff; }
.nav-item a i { width: 18px; text-align: center; opacity: 0.8; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: .85rem;
}
.nav-user { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.nav-logout {
  display: flex; align-items: center; gap: 6px;
  color: var(--color-nav-text); transition: color var(--transition);
}
.nav-logout:hover { color: #fff; text-decoration: none; }

/* ----- メインコンテンツ ----- */
.main-content {
  margin-left: var(--nav-width);
  flex: 1;
  min-width: 0;
}

.page-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.page-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}
.page-body {
  padding: 28px 32px;
  max-width: 1100px;
}

/* =====================================================
   コンポーネント
   ===================================================== */

/* ----- カード ----- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: .95rem;
  font-weight: 600;
}
.card-body { padding: 20px; }

/* ----- ボタン ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg); }
.btn-danger {
  background: var(--color-red);
  color: #fff;
  border-color: var(--color-red);
}
.btn-success {
  background: var(--color-green);
  color: #fff;
  border-color: var(--color-green);
}
.btn-sm { padding: 5px 10px; font-size: .8rem; }
.btn-lg { padding: 10px 22px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ----- フォーム ----- */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: .875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .9rem;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-hint {
  font-size: .8rem;
  color: var(--color-text-sub);
  margin-top: 4px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ----- アラート ----- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: .875rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-danger  { background: var(--color-red-bg);    color: #b91c1c; border-color: #fca5a5; }
.alert-warning { background: var(--color-yellow-bg); color: #92400e; border-color: #fcd34d; }
.alert-success { background: var(--color-green-bg);  color: #065f46; border-color: #6ee7b7; }
.alert-info    { background: var(--color-primary-light); color: #1e40af; border-color: #93c5fd; }

/* ----- バッジ ----- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  line-height: 1.5;
}
.badge-published { background: var(--color-green-bg); color: var(--color-green); }
.badge-draft     { background: var(--color-border-light); color: var(--color-text-sub); }
.badge-stale     { background: var(--color-red-bg); color: var(--color-red); }

/* ----- テーブル ----- */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  color: var(--color-text-sub);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: var(--color-bg); }

/* ----- ログイン ----- */
.login-body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #f0f4ff 0%, #fafbff 100%);
}
.login-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-subtitle {
  font-size: .85rem;
  color: var(--color-text-sub);
  margin-top: 4px;
}
.login-form .btn-block { margin-top: 24px; padding: 11px; font-size: 1rem; }

/* ----- カラーピッカー ----- */
.color-picker-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.color-preview {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}
input[type="color"] {
  width: 36px;
  height: 36px;
  padding: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  background: none;
}

/* ----- ファシリティカード（施設一覧）----- */
.facility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 8px;
}
.facility-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.facility-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.facility-card-cover {
  height: 130px;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  position: relative;
  overflow: hidden;
}
.facility-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.facility-card-body { padding: 16px; }
.facility-card-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.facility-theme-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.facility-card-slug {
  font-size: .78rem;
  color: var(--color-text-dim);
  font-family: var(--font-en);
  margin-bottom: 12px;
}
.facility-card-langs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ----- 言語タブ ----- */
.lang-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 24px;
}
.lang-tab {
  padding: 8px 16px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: .875rem;
  color: var(--color-text-sub);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.lang-tab:hover { color: var(--color-text); }
.lang-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: 600; }

/* ----- ユーティリティ ----- */
.text-muted  { color: var(--color-text-sub); }
.text-sm     { font-size: .8rem; }
.mt-4        { margin-top: 4px; }
.mt-8        { margin-top: 8px; }
.mt-16       { margin-top: 16px; }
.mt-24       { margin-top: 24px; }
.mb-16       { margin-bottom: 16px; }
.mb-24       { margin-bottom: 24px; }
.flex        { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8       { gap: 8px; }
.gap-12      { gap: 12px; }
.gap-16      { gap: 16px; }

/* ----- モーダル ----- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 1rem; font-weight: 700; }
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-sub);
  font-size: 1.2rem;
  padding: 4px;
}
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ----- 画像アップロード ----- */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-text-sub);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.upload-zone i { font-size: 2rem; margin-bottom: 10px; display: block; }

/* レスポンシブ */
@media (max-width: 768px) {
  .page-body { padding: 16px; }
  .page-header { padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
}