/* 基础样式设置 */
:root {
    --primary-color: #6200ea;
    --secondary-color: #03dac6;
    --background-color: #121212;
    --surface-color: #1e1e1e;
    --error-color: #cf6679;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-radius: 8px;
    --glow-color: rgba(98, 0, 234, 0.6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* 标题和导航 */
header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.subtitle {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 1.2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 主要内容区域 */
main {
    display: grid;
    grid-gap: 2rem;
}

h2 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* 生成器容器 */
.generator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 1.5rem;
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
}

.controls-section {
    grid-column: 1 / 2;
}

.output-section {
    grid-column: 2 / 3;
    display: flex;
    flex-direction: column;
}

.input-section {
    grid-column: 1 / -1;
}

/* 输入和控制元素 */
textarea {
    width: 100%;
    height: 120px;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    resize: vertical;
    transition: border-color 0.3s, box-shadow 0.3s;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--glow-color);
}

.control-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

select, input[type="range"] {
    width: 100%;
    padding: 0.5rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-primary);
}

/* 修复下拉菜单的样式 */
select {
    height: 40px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

/* 添加特定浏览器下的选项样式 */
select option {
    background-color: var(--surface-color) !important;
    color: var(--text-primary) !important;
    padding: 10px;
}

/* 针对Chrome、Edge等浏览器的样式 */
@media screen and (-webkit-min-device-pixel-ratio:0) {
    select {
        color: var(--text-primary);
        background-color: var(--surface-color);
    }
    
    select option {
        background-color: var(--surface-color) !important;
        color: var(--text-primary) !important;
    }
}

/* 为Firefox设置选项样式 */
@-moz-document url-prefix() {
    select {
        color: var(--text-primary);
        background-color: var(--surface-color);
    }
    
    select option {
        background-color: var(--surface-color) !important;
        color: var(--text-primary) !important;
    }
}

/* 自定义下拉菜单样式 */
.custom-select {
    position: relative;
    margin-bottom: 1rem;
}

.selected-option {
    height: 40px;
    padding: 0.5rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    position: relative;
}

.selected-option::after {
    content: '';
    position: absolute;
    right: 10px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--text-primary);
}

.options-list {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--surface-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    z-index: 100;
    max-height: 200px;
    overflow-y: auto;
}

.option {
    padding: 0.75rem;
    color: var(--text-primary);
    cursor: pointer;
}

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

/* 复选框样式 */
.checkbox-group {
    display: flex;
    gap: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 0.5rem;
    cursor: pointer;
}

/* 输出区域 */
.output-display {
    flex-grow: 1;
    min-height: 120px;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    word-break: break-all;
    overflow-wrap: break-word;
}

.button-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn.secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn.primary:hover {
    background-color: #7c4dff;
}

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

/* 预览区域 */
.preview-section {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.preview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    grid-gap: 1.5rem;
}

.preview-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.preview-title {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 0.75rem;
    text-align: center;
    font-weight: bold;
}

.preview-content {
    padding: 1rem;
}

.preview-content.discord {
    background-color: #36393f;
}

.preview-content.twitter {
    background-color: #15202b;
}

.preview-username {
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.preview-message {
    color: var(--text-secondary);
}

/* 信息区域 */
.info-section, .tutorial-section {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-top: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.info-section p, .info-section ul {
    margin-bottom: 1rem;
}

.info-section ul {
    padding-left: 1.5rem;
}

/* 教程部分 */
.tutorial-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    grid-gap: 1.5rem;
    margin-top: 1.5rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.step-number {
    background-color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 页脚 */
footer {
    margin-top: 3rem;
    text-align: center;
    color: var(--text-secondary);
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content p:first-child {
    margin-bottom: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .generator-container {
        grid-template-columns: 1fr;
    }
    
    .controls-section, .output-section {
        grid-column: 1 / -1;
    }
    
    .preview-cards {
        grid-template-columns: 1fr;
    }
    
    .tutorial-steps {
        grid-template-columns: 1fr;
    }
}