button,
input,
select,
textarea {
    background-color: #fff;
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius);
    box-shadow: 4px 4px var(--accent-color);
    color: var(--accent-color);
    padding: 8px 12px;
    outline: 0;
    transition: all 0.2s ease;
    margin: calc(var(--spacing-unit) * 0.5) 0;
}

button:focus,
input:focus,
select:focus,
textarea:focus {
    box-shadow: 2px 2px var(--accent-color);
    transform: translate(2px, 2px);
}

.options-tab > h2 {
    text-align: center;
    margin-bottom: var(--spacing-unit);
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
    padding-bottom: calc(var(--spacing-unit) * 0.5);
}

select {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23000000%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7em top 50%;
    background-size: 0.65em auto;
    padding-right: 2em;
}

textarea {
    font-family: sans-serif;
    box-sizing: border-box;
    width: 100%;
    font-size: 28px;
    text-align: center;
    white-space: pre-wrap;
    min-height: 150px;
    resize: vertical;
    padding: 12px;
}

input[type="number"] {
    max-width: 70px;
    text-align: center;
}
#editor {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas: "content options";
    grid-gap: calc(var(--spacing-unit) * 2);
    color: var(--accent-color);
    padding: var(--spacing-unit);
    height: 100%;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    margin: var(--spacing-unit) 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#editor > div {
    padding: var(--spacing-unit);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
}

#editor > div > h2 {
    text-align: center;
    color: var(--text-color);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.options-tab {
    display: none;
    padding: var(--spacing-unit);
}

.options-tab.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media screen and (max-width: 767px), screen and (max-device-width: 767px) {
    #editor {
        grid-template-columns: 1fr;
        grid-template-areas: "content" "options";
        padding: 10px;
        grid-gap: 15px;
        margin: 10px 0;
    }
    
    #editor > div {
        padding: 15px;
        border-radius: 12px;
    }
    
    textarea {
        min-height: 180px;
        max-height: 250px;
        padding: 12px;
        font-size: 16px; /* 防止iOS缩放 */
        line-height: 1.4;
        border-radius: 8px;
    }
    
    /* 改进表单元素在移动设备上的可用性 */
    input, select {
        height: 48px; /* 增加触摸目标大小 */
        margin-bottom: 12px;
        padding: 12px 16px;
        font-size: 16px;
        border-radius: 8px;
        border-width: 2px;
    }
    
    input[type="number"] {
        max-width: 80px;
        text-align: center;
    }
    
    /* 优化选项卡内容在移动设备上的显示 */
    .option-content {
        padding: 20px 15px;
    }
    
    /* 改进复选框容器在移动设备上的显示 */
    .cb-container {
        padding: 15px 0;
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    /* 增加复选框的可点击区域 */
    .checkmark {
        height: 24px;
        width: 24px;
    }
    
    /* 优化按钮在移动端的显示 */
    button {
        min-height: 48px;
        padding: 12px 20px;
        font-size: 16px;
        border-radius: 8px;
        margin: 8px 4px;
    }
}
.cb-container {
    display: block;
    position: relative;
    padding-left: 35px;
    margin-bottom: calc(var(--spacing-unit) * 0.75);
    cursor: pointer;
    transition: all 0.2s ease;
}

.cb-container:hover {
    transform: translateX(2px);
}

.cb-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 16px;
    width: 16px;
    top: 0;
    left: 0;
    z-index: 1;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 16px;
    width: 16px;
    background-color: #fff;
    border: 2px solid var(--accent-color);
    border-radius: calc(var(--border-radius) * 0.5);
    box-shadow: 3px 3px var(--accent-color);
    color: var(--accent-color);
    transition: all 0.2s ease;
}

.cb-container:hover .checkmark {
    box-shadow: 2px 2px var(--accent-color);
    transform: translate(1px, 1px);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.cb-container input:checked ~ .checkmark {
    background-color: #fff;
}

.cb-container input:checked ~ .checkmark:after {
    display: block;
}

.cb-container .checkmark:after {
    left: 4px;
    top: 0;
    width: 5px;
    height: 10px;
    border: solid #000;
    border-width: 0 3px 3px 0;
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
}