/* 侧边面板覆盖层样式 */
.side-panel-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    z-index: 999;
    transition: background 0.3s ease;
}

.side-panel-overlay.show {
    background: rgba(0, 0, 0, 0.5);
}

/* 侧边面板样式 */
.side-panel {
    position: fixed;
    top: 0;
    right: -600px;
    width: 600px;
    height: 100%;
    background: white;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark .side-panel {
    background: #1a1a1a;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
}

.side-panel.show {
    right: 0;
}

/* 侧边面板头部 */
.side-panel-header {
    padding: 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.dark .side-panel-header {
    border-bottom-color: #333;
}

.side-panel-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    color: #111827;
}

.dark .side-panel-header h2 {
    color: #f3f4f6;
}

.side-panel-close {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: #6b7280;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.side-panel-close:hover {
    background: #f3f4f6;
    color: #111827;
}

.dark .side-panel-close:hover {
    background: #333;
    color: #f3f4f6;
}

/* 侧边面板内容 */
.side-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    scrollbar-width: thin;
    scrollbar-color: #d1d5db transparent;
}

.side-panel-content::-webkit-scrollbar {
    width: 6px;
}

.side-panel-content::-webkit-scrollbar-track {
    background: transparent;
}

.side-panel-content::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 3px;
}

.side-panel-content::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

.dark .side-panel-content {
    scrollbar-color: #4b5563 transparent;
}

.dark .side-panel-content::-webkit-scrollbar-thumb {
    background: #4b5563;
}

.dark .side-panel-content::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

/* 响应式设计 - 平板设备 */
@media (max-width: 1024px) {
    .side-panel {
        width: 500px;
        right: -500px;
    }
}

/* 响应式设计 - 手机横屏 */
@media (max-width: 768px) {
    .side-panel {
        width: 90%;
        right: -90%;
    }
    
    .side-panel-header {
        padding: 20px;
    }
    
    .side-panel-content {
        padding: 20px;
    }
    
    .character-list {
        max-height: 350px;
    }
}

/* 响应式设计 - 手机竖屏 */
@media (max-width: 480px) {
    .side-panel {
        width: 100%;
        right: -100%;
    }
    
    .side-panel-header {
        padding: 16px;
    }
    
    .side-panel-header h2 {
        font-size: 18px;
    }
    
    .side-panel-close {
        width: 32px;
        height: 32px;
    }
    
    .side-panel-content {
        padding: 16px;
    }
    
    .character-panel {
        padding: 12px;
    }
    
    .character-toolbar {
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 16px;
        padding-bottom: 12px;
    }
    
    .character-btn {
        flex: 1;
        min-width: calc(50% - 4px);
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .character-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .character-list {
        gap: 8px;
        max-height: 300px;
    }
    
    .character-item {
        padding: 10px;
        gap: 10px;
    }
    
    .character-avatar {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .character-name {
        font-size: 13px;
    }
    
    .character-desc {
        font-size: 11px;
    }
    
    .character-actions button {
        padding: 4px;
    }
    
    /* 表单调整 */
    .character-form input[type="text"],
    .character-form textarea {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .character-form label {
        font-size: 13px;
    }
    
    .character-form .form-buttons {
        margin-top: 20px;
        padding-top: 12px;
    }
    
    .character-form .form-buttons button {
        padding: 6px 16px;
        font-size: 13px;
    }
    
    /* 高级设置调整 */
    .advanced-settings summary {
        padding: 10px 14px;
        font-size: 14px;
    }
    
    .advanced-content {
        padding: 14px;
    }
}

/* 超小屏幕设备 */
@media (max-width: 360px) {
    .character-btn {
        min-width: 100%;
    }
    
    .character-item {
        padding: 8px;
    }
    
    .character-avatar {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
}

/* 角色卡样式 */
.character-panel {
    padding: 16px;
    max-height: none;
}

.character-toolbar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e5e7eb;
}

.dark .character-toolbar {
    border-bottom-color: #333;
}

.character-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.dark .character-btn {
    background: #2a2a2a;
    color: #d1d5db;
    border-color: #404040;
}

.character-btn:hover {
    background: #e5e7eb;
    border-color: #d1d5db;
}

.dark .character-btn:hover {
    background: #333;
    border-color: #525252;
}

.character-btn svg {
    width: 16px;
    height: 16px;
}

.character-list {
    display: grid;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #d1d5db transparent;
}

/* 自定义滚动条样式 */
.character-list::-webkit-scrollbar {
    width: 6px;
}

.character-list::-webkit-scrollbar-track {
    background: transparent;
}

.character-list::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 3px;
}

.character-list::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

.dark .character-list {
    scrollbar-color: #4b5563 transparent;
}

.dark .character-list::-webkit-scrollbar-thumb {
    background: #4b5563;
}

.dark .character-list::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

.no-characters {
    text-align: center;
    color: #6b7280;
    padding: 40px;
}

.character-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #f9fafb;
    border-radius: 8px;
    transition: background 0.2s;
}

.dark .character-item {
    background: #2a2a2a;
}

.character-item:hover {
    background: #f3f4f6;
}

.dark .character-item:hover {
    background: #333;
}

.character-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #3b82f6;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    flex-shrink: 0;
}

.character-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.character-info {
    flex: 1;
    min-width: 0;
}

.character-name {
    font-weight: 600;
    font-size: 14px;
    color: #111827;
    margin-bottom: 4px;
}

.dark .character-name {
    color: #f3f4f6;
}

.character-desc {
    font-size: 12px;
    color: #6b7280;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dark .character-desc {
    color: #9ca3af;
}

.character-actions {
    display: flex;
    gap: 4px;
}

.character-actions button {
    padding: 6px;
    border: none;
    background: transparent;
    color: #6b7280;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.character-actions button:hover {
    background: #e5e7eb;
    color: #3b82f6;
}

.dark .character-actions button {
    color: #9ca3af;
}

.dark .character-actions button:hover {
    background: #374151;
    color: #60a5fa;
}

.character-form {
    max-width: 500px;
    margin: 0 auto;
}

.character-form .form-group {
    margin-bottom: 16px;
}

.character-form label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
}

.dark .character-form label {
    color: #d1d5db;
}

.character-form input[type="text"],
.character-form textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 14px;
    background: white;
    color: #111827;
    resize: vertical;
}

.character-form textarea.auto-resize {
    min-height: 60px;
    resize: none;
    overflow-y: hidden;
}

.dark .character-form input[type="text"],
.dark .character-form textarea {
    background: #1a1a1a;
    border-color: #333;
    color: #f3f4f6;
}

.character-form input[type="text"]:focus,
.character-form textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.character-form .form-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid #e5e7eb;
}

.dark .character-form .form-buttons {
    border-top-color: #333;
}

.character-form .form-buttons button {
    padding: 8px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.character-form .form-buttons button:first-child {
    background: #3b82f6;
    color: white;
}

.character-form .form-buttons button:first-child:hover {
    background: #2563eb;
}

.character-form .form-buttons button:last-child {
    background: #f3f4f6;
    color: #374151;
}

.dark .character-form .form-buttons button:last-child {
    background: #2a2a2a;
    color: #d1d5db;
}

.character-form .form-buttons button:last-child:hover {
    background: #e5e7eb;
}

.dark .character-form .form-buttons button:last-child:hover {
    background: #374151;
}

/* 折叠面板样式 */
.advanced-settings {
    margin: 20px 0;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
}

.dark .advanced-settings {
    border-color: #333;
}

.advanced-settings summary {
    padding: 12px 16px;
    background: #f9fafb;
    cursor: pointer;
    user-select: none;
    font-weight: 500;
    color: #374151;
    display: flex;
    align-items: center;
    transition: background 0.2s;
}

.dark .advanced-settings summary {
    background: #2a2a2a;
    color: #d1d5db;
}

.advanced-settings summary:hover {
    background: #f3f4f6;
}

.dark .advanced-settings summary:hover {
    background: #333;
}

.advanced-settings summary::before {
    content: '▶';
    margin-right: 8px;
    transition: transform 0.2s;
}

.advanced-settings[open] summary::before {
    transform: rotate(90deg);
}

.advanced-content {
    padding: 16px;
    background: white;
    border-top: 1px solid #e5e7eb;
}

.dark .advanced-content {
    background: #1a1a1a;
    border-top-color: #333;
}

/* 备用开场白样式 */
.add-alt-greeting-btn {
    margin-left: 8px;
    padding: 4px 12px;
    font-size: 12px;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.add-alt-greeting-btn:hover {
    background: #2563eb;
}

.alternate-greeting-item {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    align-items: flex-start;
}

.alternate-greeting-input {
    flex: 1;
    min-height: 60px;
    padding: 8px;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
}

.dark .alternate-greeting-input {
    background: #1a1a1a;
    border-color: #333;
    color: #e5e7eb;
}

.remove-greeting-btn {
    padding: 8px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
    height: 36px;
}

.remove-greeting-btn:hover {
    background: #dc2626;
}

.remove-greeting-btn svg {
    display: block;
}