/**
 * SparkSheets Demo UI Styles
 * 実際のSparkSheetsアプリのUIを再現するスタイル
 */

/* コンテナ */
.sparksheets-demo-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin: 2rem 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    position: relative;
}

/* ライトテーマ */
.sparksheets-demo-light {
    background: #ffffff;
    color: #1a1a1a;
    border: 1px solid #e5e5e5;
}

/* ダークテーマ */
.sparksheets-demo-dark {
    background: #1e1e1e;
    color: #ffffff;
    border: 1px solid #333333;
}

/* ヘッダー */
.sparksheets-demo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid;
    background: rgba(0, 0, 0, 0.02);
}

.sparksheets-demo-light .sparksheets-demo-header {
    border-bottom-color: #e5e5e5;
}

.sparksheets-demo-dark .sparksheets-demo-header {
    border-bottom-color: #333333;
    background: rgba(255, 255, 255, 0.02);
}

.sparksheets-demo-header-left,
.sparksheets-demo-header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* ロゴ */
.sparksheets-demo-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 16px;
}

.sparksheets-demo-logo svg {
    color: #FFD700;
}

/* 保存状態 */
.sparksheets-demo-save-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #666;
}

.sparksheets-demo-dark .sparksheets-demo-save-status {
    color: #999;
}

.save-status-saved .save-icon {
    color: #4CAF50;
}

.save-status-saving .save-icon {
    color: #FF9800;
    animation: pulse 1s infinite;
}

.save-status-unsaved .save-icon {
    color: #f44336;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* カラムセレクター */
.sparksheets-demo-column-selector {
    display: flex;
    gap: 4px;
    background: rgba(0, 0, 0, 0.05);
    padding: 4px;
    border-radius: 6px;
}

.sparksheets-demo-dark .sparksheets-demo-column-selector {
    background: rgba(255, 255, 255, 0.05);
}

.column-selector-btn {
    padding: 4px 12px;
    border: none;
    background: transparent;
    color: inherit;
    font-size: 13px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.column-selector-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.sparksheets-demo-dark .column-selector-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.column-selector-btn.active {
    background: #000;
    color: #fff;
}

.sparksheets-demo-dark .column-selector-btn.active {
    background: #fff;
    color: #000;
}

/* ダークモードトグル */
.sparksheets-demo-dark-toggle {
    padding: 8px;
    border: none;
    background: transparent;
    color: inherit;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
}

.sparksheets-demo-dark-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.sparksheets-demo-dark .sparksheets-demo-dark-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* コンテンツエリア */
.sparksheets-demo-content {
    min-height: 400px;
    max-height: 600px;
    overflow-y: auto;
}

/* カラムグリッド */
.sparksheets-demo-columns {
    display: grid;
    gap: 1px;
    background: #e5e5e5;
    min-height: 400px;
}

.sparksheets-demo-dark .sparksheets-demo-columns {
    background: #333333;
}

/* 各カラム */
.sparksheets-demo-column {
    background: #ffffff;
    display: flex;
    flex-direction: column;
}

.sparksheets-demo-dark .sparksheets-demo-column {
    background: #1e1e1e;
}

.sparksheets-demo-column.active {
    position: relative;
}

.sparksheets-demo-column.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #FFD700;
}

/* カラムヘッダー */
.sparksheets-demo-column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e5e5e5;
}

.sparksheets-demo-dark .sparksheets-demo-column-header {
    border-bottom-color: #333333;
}

.sparksheets-demo-column-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #666;
}

.sparksheets-demo-dark .sparksheets-demo-column-header h3 {
    color: #999;
}

.column-menu-btn {
    padding: 4px;
    border: none;
    background: transparent;
    color: #999;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

/* カラムコンテンツ */
.sparksheets-demo-column-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.sparksheets-demo-column-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sparksheets-demo-column-content li {
    padding: 12px 16px;
    margin-bottom: 8px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
}

.sparksheets-demo-dark .sparksheets-demo-column-content li {
    background: rgba(255, 255, 255, 0.05);
}

.sparksheets-demo-column-content li:hover {
    background: rgba(0, 0, 0, 0.04);
}

.sparksheets-demo-dark .sparksheets-demo-column-content li:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* ミニメニュー */
.sparksheets-demo-mini-menu {
    position: absolute;
    bottom: 20px;
    right: 20px;
}

.mini-menu-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: #000;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s;
}

.sparksheets-demo-dark .mini-menu-btn {
    background: #fff;
    color: #000;
}

.mini-menu-btn:hover {
    transform: scale(1.1);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .sparksheets-demo-header {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }
    
    .sparksheets-demo-header-left,
    .sparksheets-demo-header-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .sparksheets-demo-columns {
        grid-template-columns: 1fr !important;
        max-height: none;
    }
    
    .sparksheets-demo-column {
        min-height: 200px;
    }
    
    .sparksheets-demo-column-selector {
        display: none;
    }
}

/* 編集中のアニメーション */
@keyframes editing-pulse {
    0% { border-color: rgba(255, 215, 0, 0.3); }
    50% { border-color: rgba(255, 215, 0, 0.6); }
    100% { border-color: rgba(255, 215, 0, 0.3); }
}

.sparksheets-demo-column-content:focus-within {
    animation: editing-pulse 2s infinite;
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 8px;
    margin: -2px;
}