/* 基本スタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

/* ナビゲーション */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.75rem 2rem;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand .nav-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    fill: white;
}

.nav-links {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    opacity: 0.9;
    white-space: nowrap;
}

.nav-link svg {
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
    fill: white;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    opacity: 1;
}

.nav-user {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-name {
    font-size: 0.9rem;
    opacity: 0.95;
    white-space: nowrap;
}

.logout-btn {
    color: white;
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.6);
}

/* メインコンテンツ */
.main-content {
    min-height: calc(100vh - 140px);
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* 見出し */
h1 {
    margin-bottom: 1.5rem;
    color: #1e3a5f;
}

h2 {
    margin-bottom: 1rem;
    color: #374151;
}

/* 認証状態 */
.auth-status {
    margin-bottom: 2rem;
}

.auth-cards {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.auth-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    min-width: 200px;
}

.auth-card.authenticated {
    border-left: 4px solid #10b981;
}

.auth-card.not-authenticated {
    border-left: 4px solid #ef4444;
}

.auth-card h3 {
    margin-bottom: 0.5rem;
}

.auth-card .status {
    margin-bottom: 1rem;
    font-weight: 500;
}

.authenticated .status {
    color: #10b981;
}

.not-authenticated .status {
    color: #ef4444;
}

/* 機能カード */
.features {
    margin-bottom: 2rem;
}

.feature-cards {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    flex: 1;
    min-width: 250px;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: #1e3a5f;
}

.feature-card p {
    margin-bottom: 1rem;
    color: #666;
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

.btn-disabled {
    background-color: #9ca3af;
    color: white;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
}

/* アラート */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-error {
    background-color: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fca5a5;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

/* フォーム */
.filter-form {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    flex: 1;
    min-width: 150px;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group select:disabled {
    background-color: #f3f4f6;
    cursor: not-allowed;
}

.form-group-btn {
    display: flex;
    flex-direction: column;
}

.form-group-btn label {
    visibility: hidden;
}

.form-group-btn .btn {
    height: 42px;
}

/* 結果セクション */
.results {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.hidden {
    display: none;
}

/* サマリカード */
.summary-cards {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.summary-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    min-width: 150px;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.summary-card h4 {
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 0.5rem;
}

.summary-card .value {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* テーブル */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

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

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.data-table th {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    font-weight: 600;
    color: #374151;
}

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

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr.holiday {
    background-color: #fef2f2;
}

.data-table td.diff {
    background-color: #fef3c7;
    font-weight: 500;
}

/* 比較テーブル用スタイル */
.data-table .header-freee {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

.data-table .header-excel {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #166534;
}

.data-table .freee-cell {
    background-color: #eff6ff;
}

.data-table .excel-cell {
    background-color: #f0fdf4;
}

.data-table tr.row-diff {
    background-color: #fef9c3 !important;
}

.data-table tr.row-diff:hover {
    background-color: #fef08a !important;
}

.data-table td.cell-diff {
    background-color: #fde047 !important;
    font-weight: 600;
}

.data-table tr.row-weekend {
    background-color: #f3f4f6;
}

.data-table tr.row-weekend .freee-cell {
    background-color: #e5e7eb;
}

.data-table tr.row-weekend .excel-cell {
    background-color: #e5e7eb;
}

.data-table tr.row-weekend.row-diff {
    background-color: #fef9c3 !important;
}

.data-table .date-cell {
    font-weight: 500;
    white-space: nowrap;
}

/* 結果サマリ */
.result-summary {
    margin-bottom: 1rem;
}

/* 処理時間表示 */
.timing-info {
    margin-bottom: 1rem;
}

.timing-info details {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 0.5rem 1rem;
}

.timing-info summary {
    cursor: pointer;
    font-weight: 500;
    color: #64748b;
}

.timing-table {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.timing-table td {
    padding: 0.25rem 1rem 0.25rem 0;
}

.timing-table td:last-child {
    text-align: right;
    font-family: monospace;
}

/* フッター */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: #6b7280;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.5);
    border-top: 1px solid #e5e7eb;
}

/* 認証ボタン */
.auth-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 1rem;
    }

    .nav-container {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav-link {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .container {
        padding: 1rem;
    }

    .form-group {
        min-width: 100%;
    }
}