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

body {
    background: #0a0a0a;
    color: #fff;
    font-family: 'Roboto', sans-serif;
    padding-top: 60px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background: #171616;
    z-index: 1000;
}

.navbar .logo {
    color: #00d9ff;
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #00d9ff;
}

.skills-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Terminal Section */
.terminal-section {
    margin-bottom: 4rem;
}

.terminal {
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    max-width: 900px;
    margin: 0 auto;
}

.terminal-header {
    background: #2d2d2d;
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
    margin-left: auto;
    font-family: 'Roboto Mono', monospace;
    font-size: 13px;
    color: #888;
}

.terminal-body {
    padding: 20px;
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
    line-height: 1.8;
}

.terminal-line {
    margin-bottom: 10px;
}

.prompt {
    color: #00d9ff;
    font-weight: 700;
}

.command {
    color: #4ecdc4;
}

.terminal-output {
    margin: 20px 0;
}

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

.skill-header {
    color: #ff6b6b;
    font-weight: 700;
    margin-bottom: 8px;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-left: 20px;
}

.skill-tag {
    background: rgba(0, 217, 255, 0.1);
    color: #00d9ff;
    padding: 4px 12px;
    border-radius: 4px;
    border: 1px solid rgba(0, 217, 255, 0.3);
    font-size: 13px;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: rgba(0, 217, 255, 0.2);
    border-color: #00d9ff;
    transform: translateY(-2px);
}

.cursor {
    color: #00d9ff;
    animation: blink 1s infinite;
}

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

/* Architecture Section */
.architecture-section {
    margin-bottom: 4rem;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #00d9ff;
}

.section-title i {
    margin-right: 10px;
}

.architecture-diagram {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.arch-layer {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(255, 107, 107, 0.1));
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.arch-layer:hover {
    transform: translateX(10px);
    border-color: #00d9ff;
    box-shadow: 0 5px 20px rgba(0, 217, 255, 0.3);
}

.layer-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #00d9ff;
    margin-bottom: 1rem;
    text-align: center;
}

.layer-techs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.tech-node {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 14px;
    transition: all 0.3s ease;
}

.tech-node:hover {
    background: rgba(0, 217, 255, 0.2);
    border-color: #00d9ff;
    transform: scale(1.05);
}

.arch-arrow {
    text-align: center;
    font-size: 2rem;
    color: #00d9ff;
    margin: 0.5rem 0;
}

/* Network Section */
.network-section {
    margin-bottom: 4rem;
}

.network-graph {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    min-height: 500px;
}

#skillNetwork {
    display: block;
}

.network-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    font-size: 14px;
}

.network-legend span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Monitoring Dashboard */
.monitoring-section {
    margin-bottom: 4rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.metric-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.metric-card:hover {
    border-color: #00d9ff;
    box-shadow: 0 5px 20px rgba(0, 217, 255, 0.2);
    transform: translateY(-5px);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.metric-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #00d9ff;
}

.metric-status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-expert {
    background: rgba(0, 255, 0, 0.2);
    color: #00ff00;
    border: 1px solid rgba(0, 255, 0, 0.4);
}

.status-proficient {
    background: rgba(0, 217, 255, 0.2);
    color: #00d9ff;
    border: 1px solid rgba(0, 217, 255, 0.4);
}

.metric-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.stat-label {
    font-size: 13px;
    color: #888;
    min-width: 80px;
}

.stat-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    background: linear-gradient(90deg, #00d9ff, #4ecdc4);
    border-radius: 4px;
    animation: fillBar 1.5s ease-out;
}

@keyframes fillBar {
    from { width: 0; }
}

.stat-value {
    font-size: 14px;
    font-weight: 700;
    color: #00d9ff;
    min-width: 50px;
    text-align: right;
}

/* Responsive */
@media (max-width: 768px) {
    .skills-container {
        padding: 2rem 1rem;
    }
    
    .terminal-body {
        font-size: 12px;
    }
    
    .architecture-diagram {
        padding: 1rem;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .api-endpoint {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .endpoint-response code {
        font-size: 11px;
    }
}