/* 案件別採算管理アプリ - メインスタイル */

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  --color-info: #0284c7;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--color-gray-50);
  color: var(--color-gray-900);
  line-height: 1.6;
}

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

/* サイドバー */
.sidebar {
  width: 260px;
  background-color: var(--color-gray-900);
  color: white;
  padding: 2rem 0;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 0 1.5rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

.sidebar-subtitle {
  font-size: 0.875rem;
  color: var(--color-gray-300);
  margin-top: 0.25rem;
}

.sidebar-nav {
  margin-top: 2rem;
  padding: 0 1rem;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  margin-bottom: 0.25rem;
  color: var(--color-gray-300);
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
}

.nav-item.active {
  background-color: var(--color-primary);
  color: white;
}

.nav-item i {
  width: 20px;
  margin-right: 0.75rem;
}

/* メインコンテンツ */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 2rem;
}

.page-header {
  margin-bottom: 2rem;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
}

.page-description {
  font-size: 1rem;
  color: var(--color-gray-600);
}

/* カード */
.card {
  background: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-gray-900);
}

/* 統計カード */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--color-primary);
}

.stat-card.success {
  border-left-color: var(--color-success);
}

.stat-card.warning {
  border-left-color: var(--color-warning);
}

.stat-card.danger {
  border-left-color: var(--color-danger);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gray-900);
}

.stat-change {
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.stat-change.positive {
  color: var(--color-success);
}

.stat-change.negative {
  color: var(--color-danger);
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

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

.btn-success {
  background-color: var(--color-success);
  color: white;
}

.btn-success:hover {
  background-color: #047857;
}

.btn-danger {
  background-color: var(--color-danger);
  color: white;
}

.btn-danger:hover {
  background-color: #b91c1c;
}

.btn-secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
}

.btn-secondary:hover {
  background-color: var(--color-gray-300);
}

.btn i {
  margin-right: 0.5rem;
}

/* テーブル */
.table-container {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background-color: var(--color-gray-50);
}

.table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-700);
  border-bottom: 2px solid var(--color-gray-200);
}

.table td {
  padding: 1rem;
  border-bottom: 1px solid var(--color-gray-200);
  font-size: 0.875rem;
}

.table tbody tr {
  transition: background-color 0.2s;
  cursor: pointer;
}

.table tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* バッジ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
}

.badge-success {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-danger {
  background-color: #fee2e2;
  color: #991b1b;
}

.badge-info {
  background-color: #dbeafe;
  color: #1e40af;
}

.badge-gray {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
}

/* 判定バッジ */
.grade-A {
  background-color: #dbeafe;
  color: #1e40af;
}

.grade-B {
  background-color: #d1fae5;
  color: #065f46;
}

.grade-C {
  background-color: #fef3c7;
  color: #92400e;
}

.grade-D {
  background-color: #fee2e2;
  color: #991b1b;
}

/* フォーム */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  border: 1px solid var(--color-gray-300);
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

/* フィルターバー */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.filter-item {
  flex: 1;
  min-width: 200px;
}

/* アラート */
.alert {
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
}

.alert-success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-danger {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-info {
  background-color: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* ローディング */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.spinner {
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 空状態 */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state i {
  font-size: 4rem;
  color: var(--color-gray-300);
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.25rem;
  color: var(--color-gray-700);
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--color-gray-600);
  margin-bottom: 1.5rem;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 1000;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-direction: column;
  }

  .table-container {
    overflow-x: scroll;
  }
}

/* ユーティリティ */
.text-right {
  text-align: right;
}

.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.hidden {
  display: none;
}