:root {
    --primary-color: var(--ut-color-primary-500);
    --secondary-color: var(--ut-color-text-muted);
    --success-color: #11998e;
    --danger-color: #dc3545;
    --card-shadow: var(--ut-shadow-sm);
    --transition-speed: var(--ut-transition-base);
}

/* 格式类型指示器 */
.format-indicator {
    background-color: white;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    box-shadow: var(--card-shadow);
    margin: 1rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    max-width: 300px;
}

.indicator-label {
    font-weight: 600;
    color: #64748b;
}

.indicator-value {
    font-weight: 700;
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 4px;
    font-size: 0.9rem;
}

/* 编辑器头部 */
.editor-header {
    background-color: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 0.8rem 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: #64748b;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.btn-icon:hover {
    background-color: #e2e8f0;
    color: var(--primary-color);
}

/* 编辑器底部 */
.editor-footer {
    background-color: #f8fafc;
    border-top: 1px solid #e2e8f0;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: #64748b;
}

/* 错误提示 */
.error-alert {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin: 1rem auto;
    max-width: 800px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error-alert i {
    color: #dc2626;
    font-size: 1.2rem;
}

.error-alert span {
    flex: 1;
    color: #991b1b;
}

.close-alert {
    background: none;
    border: none;
    cursor: pointer;
    color: #991b1b;
    padding: 0.25rem;
    transition: all 0.2s ease;
}

.close-alert:hover {
    color: #dc2626;
}

/* 头部样式 */
header {
    margin: 2rem 0;
    text-align: center;
}

header h1 {
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--secondary-color);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 编辑器样式 */
.editor-container {
    position: relative;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: all var(--transition-speed) ease;
    overflow: hidden;
    background-color: white;
}

.editor-container:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1);
}

/* 编辑器头部 */
.editor-header {
    background-color: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 0.8rem 1.2rem;
}

.editor-header h5 {
    font-weight: 600;
    color: #334155;
    display: flex;
    align-items: center;
    margin: 0;
}

.editor-header h5 i {
    margin-right: 8px;
    color: var(--primary-color);
}

/* CodeMirror 样式调整 */
.CodeMirror {
    height: 400px;
    border: none;
    border-radius: 0 0 12px 12px;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.6;
}

.CodeMirror-scroll {
    height: 100% !important;
    /* 确保滚动区域高度正确 */
    overflow: auto !important;
    /* 正确设置滚动行为 */
}

.CodeMirror-gutters {
    background-color: #f8fafc;
    border-right: 1px solid #e2e8f0;
    white-space: nowrap;
}

.CodeMirror-foldgutter-open,
.CodeMirror-foldgutter-folded {
    color: #94a3b8;
}

/* 工具栏样式 */
.toolbar {
    background-color: white;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--card-shadow);
    margin: 1.5rem auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    max-width: 820px;
}

/* 按钮样式 */
.btn-tool {
    transition: all 0.2s ease;
    border-radius: 6px;
    padding: 0.5rem 1.2rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    border: none;
}

.btn-tool i {
    margin-right: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--ut-color-primary-600);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-success {
    background-color: var(--success-color);
}

.btn-success:hover {
    background-color: #0f8f73;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(17, 153, 142, 0.3);
}

.btn-danger {
    background-color: var(--danger-color);
}

.btn-danger:hover {
    background-color: #bb2d3b;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: #495057;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(73, 80, 87, 0.3);
}

.btn-tool:active {
    transform: translateY(0);
}

/* 功能说明 */
.features-card {
    background-color: white;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 1.5rem;
    margin-top: 2rem;
}

.features-card h5 {
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.features-card h5 i {
    margin-right: 8px;
    color: var(--primary-color);
}

.features-card .list-group-item {
    background-color: transparent;
    border: none;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.features-card .list-group-item:last-child {
    border-bottom: none;
}

.features-card .list-group-item i {
    color: var(--success-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .CodeMirror {
        min-height: 300px;
        font-size: 13px;
    }

    .btn-tool {
        width: 100%;
        justify-content: center;
    }

    header h1 {
        font-size: 1.8rem;
    }
}