/* ============================================================
   AdOps OS デザインシステム
   方針：シンプル / 管理画面風 / 余白多め / ライトテーマ
   参考：Google Analytics, Notion, Linear のような見やすいUI
   ============================================================ */

:root {
  /* ------ カラーパレット（ライトテーマ） ------ */
  --color-bg: #f7f8fa;          /* ページ全体の背景（薄いグレー） */
  --color-surface: #ffffff;     /* カード・パネルの背景 */
  --color-border: #e5e7eb;      /* 境界線 */
  --color-border-strong: #d1d5db;

  --color-text-primary: #1a1a2e;   /* 見出し・強調テキスト */
  --color-text-secondary: #6b7280; /* 補足テキスト */
  --color-text-muted: #9ca3af;

  --color-primary: #4f46e5;       /* メインカラー（インディゴ系） */
  --color-primary-hover: #4338ca;
  --color-primary-soft: #eef2ff;

  --color-success: #059669;
  --color-success-soft: #ecfdf5;
  --color-warning: #d97706;
  --color-warning-soft: #fffbeb;
  --color-danger: #dc2626;
  --color-danger-soft: #fef2f2;
  --color-info: #2563eb;
  --color-info-soft: #eff6ff;

  /* ------ レイアウト寸法 ------ */
  --sidebar-width: 240px;
  --header-height: 64px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px 0 rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-size: 14px;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ------------------------------------------------------------
   全体レイアウト：左サイドバー + 右メインエリア
   ------------------------------------------------------------ */
#app-shell {
  display: flex;
  min-height: 100vh;
}

/* ------------------------------------------------------------
   左サイドバー
   ------------------------------------------------------------ */
#app-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 24px 16px;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px 24px 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
}

.sidebar-logo-text {
  display: flex;
  flex-direction: column;
}

.sidebar-logo-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-text-primary);
}

.sidebar-logo-sub {
  font-size: 11px;
  color: var(--color-text-muted);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 16px;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav-item i {
  width: 18px;
  text-align: center;
  font-size: 14px;
}

.sidebar-nav-item:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.sidebar-nav-item.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 600;
}

.sidebar-nav-badge {
  margin-left: auto;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--color-border);
  color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   右メインエリア
   ------------------------------------------------------------ */
#app-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#app-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

#page-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  color: var(--color-text-primary);
}

#header-date {
  font-size: 13px;
  color: var(--color-text-secondary);
}

#main-content {
  flex: 1;
  padding: 32px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* ------------------------------------------------------------
   共通コンポーネント：カード
   ------------------------------------------------------------ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card + .card {
  margin-top: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title i {
  color: var(--color-primary);
}

.card-subtitle {
  font-size: 12.5px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ------------------------------------------------------------
   ダッシュボード：グリッドレイアウト
   ------------------------------------------------------------ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* アラートリスト */
.alert-item {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  border: 1px solid var(--color-border);
}

.alert-item:last-child {
  margin-bottom: 0;
}

.alert-item.level-critical {
  background: var(--color-danger-soft);
  border-color: #fecaca;
}
.alert-item.level-warning {
  background: var(--color-warning-soft);
  border-color: #fde68a;
}
.alert-item.level-info {
  background: var(--color-info-soft);
  border-color: #bfdbfe;
}

.alert-icon {
  font-size: 16px;
  margin-top: 2px;
}
.level-critical .alert-icon { color: var(--color-danger); }
.level-warning .alert-icon { color: var(--color-warning); }
.level-info .alert-icon { color: var(--color-info); }

.alert-title {
  font-weight: 600;
  font-size: 13.5px;
  color: var(--color-text-primary);
}

.alert-detail {
  font-size: 12.5px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* KPI グリッド */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.kpi-box {
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.kpi-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.kpi-diff {
  font-size: 11.5px;
  margin-top: 4px;
  font-weight: 600;
}

.kpi-diff.up { color: var(--color-danger); }
.kpi-diff.down { color: var(--color-success); }

/* 着地予測 */
.forecast-bar-track {
  height: 10px;
  border-radius: 999px;
  background: var(--color-border);
  overflow: hidden;
  margin: 12px 0;
}

.forecast-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--color-primary);
}

.forecast-bar-fill.over {
  background: var(--color-danger);
}

.forecast-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--color-text-secondary);
}

.forecast-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-top: 12px;
}

.forecast-status.over {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

/* 今日やることリスト */
.todo-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.todo-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 13px;
}

.todo-item.done {
  color: var(--color-text-muted);
  text-decoration: line-through;
  background: var(--color-bg);
}

.todo-checkbox {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 2px solid var(--color-border-strong);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

.todo-item.done .todo-checkbox {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

/* ------------------------------------------------------------
   タブ（データ取込・マスタ管理で利用）
   ------------------------------------------------------------ */
.tab-bar {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.tab-item {
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab-item:hover {
  color: var(--color-text-primary);
}

.tab-item.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ------------------------------------------------------------
   フォーム部品
   ------------------------------------------------------------ */
.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-row.inline {
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.form-input,
.form-select {
  padding: 9px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 13.5px;
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.form-hint {
  font-size: 11.5px;
  color: var(--color-text-muted);
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background 0.15s, opacity 0.15s;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}
.btn-secondary:hover { background: var(--color-bg); }

.btn-danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}
.btn-danger:hover { opacity: 0.8; }

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ------------------------------------------------------------
   アップロードエリア（ドラッグ&ドロップ風）
   ------------------------------------------------------------ */
.upload-dropzone {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  background: var(--color-bg);
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}

.upload-dropzone:hover,
.upload-dropzone.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.upload-dropzone i {
  font-size: 28px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.upload-dropzone-text {
  font-size: 13.5px;
  color: var(--color-text-secondary);
}

.upload-dropzone-filename {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

/* ------------------------------------------------------------
   テーブル
   ------------------------------------------------------------ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 12px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: var(--color-bg);
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.badge-active {
  background: var(--color-success-soft);
  color: var(--color-success);
}
.badge-inactive {
  background: var(--color-bg);
  color: var(--color-text-muted);
}

.action-btn-group {
  display: flex;
  gap: 6px;
}

.icon-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 12px;
}

.icon-btn:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.icon-btn.danger:hover {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

/* セクション見出し */
.section-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   モーダル（マスタ追加・編集用）
   ------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-box {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 420px;
  max-width: 90vw;
  box-shadow: var(--shadow-md);
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 24px;
}

/* Coming Soon */
.coming-soon-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 20px;
  text-align: center;
  color: var(--color-text-muted);
}

.coming-soon-box i {
  font-size: 40px;
  margin-bottom: 16px;
  color: var(--color-border-strong);
}

.coming-soon-box h2 {
  font-size: 17px;
  color: var(--color-text-secondary);
  margin: 0 0 8px 0;
}

.coming-soon-box p {
  font-size: 13px;
  margin: 0;
}

/* トースト通知 */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.2s ease-out;
}

.toast.success { background: var(--color-success); }
.toast.error { background: var(--color-danger); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}