.cron-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--shadow-color);
    padding: 2rem;
}

/* 结果展示区 */
.result-section {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    text-align: center;
    border: 2px solid var(--border-color);
}

.expression-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

#cron-result {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: bold;
    letter-spacing: 2px;
}

.copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.human-readable {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 配置区 */
.config-section {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.tabs {
    display: flex;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.tab-btn {
    padding: 1rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: var(--card-bg);
}

.tab-content-container {
    padding: 2rem;
    min-height: 300px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.radio-group {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

.sub-option {
    margin-left: 1.8rem;
    margin-top: 0.5rem;
    width: 100%;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cron-input {
    width: 80px;
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-color);
    color: var(--text-color);
}

.cron-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.1);
}

.checkbox-grid {
    margin-left: 1.8rem;
    margin-top: 0.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 0.5rem;
    width: 100%;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 4px;
}

.checkbox-item:hover {
    background: var(--bg-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .cron-container {
        padding: 1rem;
    }
    
    .expression-display {
        flex-direction: column;
    }
    
    #cron-result {
        font-size: 1.5rem;
        word-break: break-all;
    }
}