/* パネルハンドル */
.panel-handle {
    position: fixed;
    top: 50%;
    left: 350px; /* コントロールパネルの幅と同じ */
    right: auto;
    transform: translateY(-50%);
    width: 30px;
    height: 80px;
    background: var(--primary-500);
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    z-index: 1001;
}

.panel-handle:hover {
    background: var(--primary-600);
    left: 353px; /* 350px + 3px */
    right: auto;
    box-shadow: var(--shadow-lg);
}

.material-icons {
    color: white;
    font-size: 18px;
    transition: transform 0.3s ease;
}

.container.panel-collapsed .panel-handle {
    left: 0;
    right: auto;
    border-radius: 0 8px 8px 0;
    background: var(--primary-500);
}

.container.panel-collapsed .panel-handle:hover {
    left: 3px;
    right: auto;
}

.container.panel-collapsed .material-icons {
    transform: rotate(180deg);
}

/* コントロールパネルのスタイル */
.control-panel {
    width: 350px;
    background: white;
    border-right: 1px solid var(--neutral-200);
    padding: 20px;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 999;
}

.control-panel.collapsed {
    transform: translateX(-100%);
}

.control-panel h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2);
    color: var(--neutral-800);
    border-bottom: 2px solid var(--primary-500);
    padding-bottom: var(--spacing-2);
    text-align: center;
}

.control-panel .subtitle {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    margin-bottom: var(--spacing-4);
    font-weight: 500;
    text-align: center;
    font-style: italic;
}

.control-panel h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
    color: var(--neutral-800);
    font-weight: 600;
}

/* コントロールセクション */
.control-section {
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-4);
    background: var(--neutral-50);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
}

/* ラジオボタングループ */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.radio-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast);
    user-select: none;
}

.radio-group label:hover {
    background-color: var(--primary-50);
}

.radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-2);
    cursor: pointer;
    accent-color: var(--primary-500);
}

.radio-group span {
    font-size: var(--font-size-sm);
    color: var(--neutral-800);
    font-weight: 500;
}

/* チェックボックスグループ */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast);
    user-select: none;
}

.checkbox-group label:hover {
    background-color: var(--primary-50);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-2);
    cursor: pointer;
    accent-color: var(--primary-500);
}

.checkbox-group span {
    font-size: var(--font-size-sm);
    color: var(--neutral-800);
    font-weight: 500;
}

/* カラーコントロールグループ */
.color-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.color-control {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: white;
    border-radius: 6px;
    border: 1px solid #dee2e6;
    transition: border-color 0.2s ease;
}

.color-control:hover {
    border-color: #3498db;
}

.color-control label {
    font-size: 14px;
    color: #2c3e50;
    font-weight: 500;
    cursor: pointer;
    min-width: 80px;
}

.color-control input[type="range"] {
    flex: 1;
    margin: 0 10px;
    cursor: pointer;
}

.color-control span {
    font-size: 12px;
    color: #666;
    min-width: 40px;
    text-align: right;
}

/* プリセットボタン */
.preset-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2);
}

.preset-buttons button {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--primary-500);
    background: white;
    color: var(--primary-500);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.preset-buttons button:hover {
    background: var(--primary-500);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.preset-buttons button:active {
    transform: translateY(0);
    background: var(--primary-600);
}

/* スタイル管理 */
.style-management {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.save-style {
    display: flex;
    gap: 8px;
}

.save-style input[type="text"] {
    flex: 1;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 12px;
}

.save-style button {
    padding: 8px 12px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.2s ease;
}

.save-style button:hover {
    background: #219a52;
}

.custom-presets {
    max-height: 120px;
    overflow-y: auto;
    border: 1px solid #eee;
    border-radius: 4px;
    padding: 5px;
}

.custom-preset-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 8px;
    margin: 2px 0;
    background: #f8f9fa;
    border-radius: 4px;
    font-size: 12px;
}

.custom-preset-item button {
    padding: 2px 6px;
    font-size: 10px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    margin-left: 5px;
}

.preset-load {
    background: #3498db;
    color: white;
}

.preset-delete {
    background: #e74c3c;
    color: white;
}

.style-management > button {
    padding: 8px 12px;
    background: #9b59b6;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.2s ease;
}

.style-management > button:hover {
    background: #8e44ad;
}

/* 書き出しコントロール */
.export-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.export-options {
    display: flex;
    align-items: center;
    gap: 8px;
}

.export-options label {
    font-size: 12px;
    color: #2c3e50;
    font-weight: 500;
    min-width: 60px;
}

.export-options select,
.export-options input[type="text"] {
    flex: 1;
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 12px;
}

.export-controls button {
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    margin: 2px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

#export-png {
    background: #e67e22;
    color: white;
}

#export-png:hover {
    background: #d35400;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(230, 126, 34, 0.3);
}

#export-settings {
    background: #27ae60;
    color: white;
}

#export-settings:hover {
    background: #219a52;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(39, 174, 96, 0.3);
}

/* アニメーション効果 */
.control-section {
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* フォーカス状態の改善 */
input[type="checkbox"]:focus,
input[type="radio"]:focus,
input[type="range"]:focus,
input[type="text"]:focus,
select:focus,
button:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* 無効状態のスタイル */
.control-section.disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* 通知メッセージ */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 6px;
    color: white;
    font-size: 14px;
    z-index: 10000;
    animation: slideInRight 0.3s ease-out;
}

.notification.success {
    background: #27ae60;
}

.notification.error {
    background: #e74c3c;
}

.notification.info {
    background: #3498db;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}