/* 全局变量 */
:root {
    --primary-green: #00ff41;
    --secondary-green: #00cc33;
    --dark-bg: #0d1117;
    --darker-bg: #010409;
    --terminal-bg: #0a0e14;
    --border-color: #30363d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --hover-bg: #161b22;
    --selection-bg: #1f6feb;
    --font-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'Courier New', monospace;
    --font-ascii: 'Courier New', monospace;
}

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-mono);
    background: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
    overflow-x: hidden;
}

/* 终端背景动画 */
.terminal-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, transparent 0%, var(--terminal-bg) 50%, transparent 100%),
        repeating-linear-gradient(
            0deg,
            rgba(0, 255, 65, 0.03) 0px,
            transparent 1px,
            transparent 2px,
            rgba(0, 255, 65, 0.03) 3px
        );
    pointer-events: none;
    z-index: 0;
    animation: scanline 8s linear infinite;
}

@keyframes scanline {
    0% { background-position: 0 0, 0 0; }
    100% { background-position: 0 100%, 0 100vh; }
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 20px auto;
    background: var(--dark-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 0 50px rgba(0, 255, 65, 0.1);
    position: relative;
    z-index: 1;
}

/* 终端头部 */
.terminal-header {
    background: var(--terminal-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 6px 6px 0 0;
}

.terminal-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s;
}

.control:hover {
    transform: scale(1.2);
}

.control.close {
    background: #ff5f56;
}

.control.minimize {
    background: #ffbd2e;
}

.control.maximize {
    background: #27c93f;
}

.terminal-title {
    color: var(--text-secondary);
    font-size: 13px;
    flex: 1;
    text-align: center;
}

/* 命令行 */
.command-line {
    padding: 20px;
    background: var(--terminal-bg);
    border-bottom: 1px solid var(--border-color);
    font-size: 16px;
    color: var(--primary-green);
}

.prompt {
    color: var(--secondary-green);
    margin-right: 10px;
}

.command {
    color: var(--text-primary);
}

.cursor {
    animation: blink 1s step-end infinite;
    color: var(--primary-green);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* 主内容区 */
.content {
    padding: 30px;
}

/* 区块样式 */
.section {
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s forwards;
}

.section:nth-child(1) { animation-delay: 0.1s; }
.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.3s; }
.section:nth-child(4) { animation-delay: 0.4s; }
.section:nth-child(5) { animation-delay: 0.5s; }
.section:nth-child(6) { animation-delay: 0.6s; }
.section:nth-child(7) { animation-delay: 0.7s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.prompt-symbol {
    color: var(--primary-green);
    font-size: 18px;
    font-weight: bold;
}

.section-header h2 {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: normal;
}

.section-content {
    padding-left: 30px;
}

/* ASCII 艺术字 */
.ascii-art {
    color: var(--primary-green);
    font-family: var(--font-ascii);
    font-size: 11px;
    line-height: 1.1;
    margin-bottom: 20px;
    overflow-x: auto;
    letter-spacing: 0;
}

/* 信息块 */
.info-block {
    background: var(--terminal-bg);
    border-left: 3px solid var(--primary-green);
    padding: 15px 20px;
    border-radius: 4px;
}

.info-block p {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.info-block .key {
    color: var(--primary-green);
    font-weight: bold;
    min-width: 100px;
    display: inline-block;
}

.info-block .bio {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
    line-height: 1.8;
}

/* 时间线 */
.timeline-item {
    margin-bottom: 25px;
    padding: 15px;
    background: var(--hover-bg);
    border-radius: 6px;
    border-left: 3px solid var(--secondary-green);
    transition: all 0.3s;
}

.timeline-item:hover {
    background: var(--terminal-bg);
    border-left-color: var(--primary-green);
    transform: translateX(5px);
}

.timeline-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.timeline-icon {
    font-size: 20px;
}

.timeline-title {
    color: var(--primary-green);
    font-weight: bold;
    flex: 1;
}

.timeline-date {
    color: var(--text-muted);
    font-size: 12px;
}

.timeline-content p {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

/* 日志条目 */
.log-entry {
    margin-bottom: 25px;
    background: var(--terminal-bg);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.log-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    background: var(--hover-bg);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.log-level {
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
}

.log-level.info {
    background: rgba(0, 255, 65, 0.2);
    color: var(--primary-green);
}

.log-level.debug {
    background: rgba(139, 148, 158, 0.2);
    color: var(--text-secondary);
}

.log-company {
    color: var(--text-primary);
    flex: 1;
}

.log-date {
    color: var(--text-muted);
    font-size: 12px;
}

.log-content {
    padding: 15px;
}

.log-content ul {
    list-style: none;
    padding-left: 0;
}

.log-content li {
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.log-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-green);
}

/* 项目卡片 */
.project-card {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    transition: all 0.3s;
}

.project-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.1);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.project-icon {
    font-size: 24px;
}

.project-header h3 {
    color: var(--primary-green);
    font-size: 16px;
    flex: 1;
}

.project-role {
    background: rgba(0, 255, 65, 0.1);
    color: var(--primary-green);
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 12px;
}

.project-date {
    color: var(--text-muted);
    font-size: 12px;
}

.project-content ul {
    list-style: none;
    padding-left: 0;
}

.project-content li {
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.project-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
}

/* 论文 */
.paper {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    transition: all 0.3s;
}

.paper:hover {
    border-color: var(--primary-green);
}

.paper-title {
    color: var(--text-primary);
    font-size: 15px;
    margin-bottom: 10px;
    line-height: 1.5;
}

.paper-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.badge {
    padding: 4px 10px;
    border-radius: 3px;
    font-size: 11px;
    background: var(--hover-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.badge.journal {
    background: rgba(0, 255, 65, 0.1);
    color: var(--primary-green);
    border-color: var(--primary-green);
}

.badge.year {
    background: rgba(139, 148, 158, 0.1);
}

/* 技能树 */
.skill-tree {
    font-family: var(--font-mono);
}

.skill-category {
    margin-bottom: 20px;
}

.category-title {
    color: var(--primary-green);
    margin-bottom: 10px;
    font-size: 14px;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 20px;
}

.skill {
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--terminal-bg);
    border-radius: 4px;
    border-left: 2px solid var(--border-color);
    transition: all 0.3s;
    font-size: 13px;
}

.skill:hover {
    background: var(--hover-bg);
    border-left-color: var(--primary-green);
    transform: translateX(5px);
}

.skill.expert {
    border-left-color: var(--primary-green);
}

.skill.proficient {
    border-left-color: var(--secondary-green);
}

.skill.basic {
    border-left-color: var(--text-muted);
}

/* 联系方式 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s;
}

.contact-item:hover {
    border-color: var(--primary-green);
    background: var(--hover-bg);
}

.contact-icon {
    font-size: 20px;
}

.contact-item a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item:hover a {
    color: var(--primary-green);
}

/* 终端底部 */
.terminal-footer {
    background: var(--terminal-bg);
    border-top: 1px solid var(--border-color);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-muted);
    border-radius: 0 0 6px 6px;
    flex-wrap: wrap;
    gap: 15px;
}

.status-item {
    padding: 2px 8px;
    background: var(--hover-bg);
    border-radius: 3px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        border-radius: 4px;
    }

    .content {
        padding: 20px 15px;
    }

    .section-content {
        padding-left: 15px;
    }

    .ascii-art {
        font-size: 8px;
    }

    .timeline-header,
    .log-header,
    .project-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .terminal-footer {
        font-size: 11px;
        gap: 8px;
    }
}

/* 选择文本样式 */
::selection {
    background: var(--selection-bg);
    color: white;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-green);
}