@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&display=swap');

/* ベースフォント */
body { 
    font-family: 'Noto Sans JP', sans-serif; 
    margin: 0;
    padding: 0;
    background-color: #f8fafc;
}

/* 共通カードスタイル */
.card {
    background: #ffffff;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 
                0 2px 4px -1px rgba(0, 0, 0, 0.06),
                0 0 0 1px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(229, 231, 235, 0.8);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateZ(0);
}

.card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 
                0 10px 10px -5px rgba(0, 0, 0, 0.04),
                0 0 0 1px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px) translateZ(0);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    border-radius: 1rem;
    pointer-events: none;
    z-index: 1;
}

.card > * {
    position: relative;
    z-index: 2;
}

/* 共通ボタンスタイル */
.btn-primary {
    background-color: #2563eb;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #f8fafc;
    color: #64748b;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-secondary:hover {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
}

.btn-danger {
    background-color: #dc2626;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-danger:hover {
    background-color: #b91c1c;
    transform: translateY(-1px);
}

.btn-success {
    background-color: #059669;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-success:hover {
    background-color: #047857;
    transform: translateY(-1px);
}

/* 進捗バー */
.progress-bar {
    background-color: #e2e8f0;
    height: 0.5rem;
    border-radius: 0.25rem;
    overflow: hidden;
    width: 100%;
}

.progress-fill {
    background-color: #10b981;
    height: 100%;
    transition: width 0.3s ease;
}

/* ステータスバッジ */
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-pending {
    background-color: #fef3c7;
    color: #92400e;
}

.status-inprogress {
    background-color: #dbeafe;
    color: #1e40af;
}

.status-completed {
    background-color: #d1fae5;
    color: #065f46;
}

.status-error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* ナビゲーション */
.nav-link {
    color: #6b7280;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.2s;
}

.nav-link:hover {
    color: #374151;
    background-color: #f3f4f6;
}

.nav-link.active {
    color: #2563eb;
    background-color: #eff6ff;
    font-weight: 600;
}

/* サイドバー */
.sidebar {
    background-color: #1e293b;
    color: white;
    width: 280px;
    min-height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 50;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid #334155;
}

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

.sidebar-nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar-nav-item:hover {
    background-color: #334155;
    color: white;
}

.sidebar-nav-item.active {
    background-color: #2563eb;
    color: white;
}

.sidebar-nav-item svg {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.75rem;
}

/* メインコンテンツ */
.main-content {
    margin-left: 280px;
    padding: 2rem;
    min-height: 100vh;
}

/* ヘッダー */
.header {
    background-color: white;
    border-bottom: 1px solid #e2e8f0;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 40;
}

.header-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* フォーム要素 */
.form-input {
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    width: 100%;
    transition: border-color 0.2s;
}

.form-input:focus {
    border-color: #2563eb;
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    width: 100%;
    background-color: white;
    transition: border-color 0.2s;
}

.form-select:focus {
    border-color: #2563eb;
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    width: 100%;
    min-height: 100px;
    resize: vertical;
    transition: border-color 0.2s;
}

.form-textarea:focus {
    border-color: #2563eb;
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

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

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

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

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* テーブル */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.table th {
    background-color: #f8fafc;
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: #374151;
    border-bottom: 1px solid #e2e8f0;
}

.table td {
    padding: 0.75rem;
    border-bottom: 1px solid #f1f5f9;
}

.table tr:hover {
    background-color: #f8fafc;
}

/* グリッド */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* フレックス */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

/* スペーシング */
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

/* テキスト */
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-900 { color: #111827; }

/* モーダル */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-content {
    background-color: white;
    border-radius: 0.5rem;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

/* ローディング */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
    border-top-color: #2563eb;
    animation: spin 1s ease-in-out infinite;
}

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

/* モバイル対応 */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .header {
        padding: 1rem;
    }
    
    .header-title {
        font-size: 1.25rem;
    }
}