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

:root {
    --bg-primary: #0c0c0c;
    --bg-secondary: #1a1a1a;
    --text-primary: #00ff00;
    --text-secondary: #ffffff;
    --accent: #00ff00;
    --border: #333;
}

[data-theme="light"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --text-primary: #000000;
    --text-secondary: #333333;
    --accent: #0066cc;
    --border: #cccccc;
}

[data-theme="purple"] {
    --bg-primary: #1a0a2e;
    --bg-secondary: #2d1b4e;
    --text-primary: #b794f6;
    --text-secondary: #e9d5ff;
    --accent: #b794f6;
    --border: #4a2d6e;
}

[data-theme="sky"] {
    --bg-primary: #0a1929;
    --bg-secondary: #1a2942;
    --text-primary: #00d4ff;
    --text-secondary: #b3e5fc;
    --accent: #00d4ff;
    --border: #2d4a6e;
}

body {
    font-family: 'Courier New', monospace;
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.6;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Terminal Window */
.terminal {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
    overflow: hidden;
}

.terminal-header {
    background-color: var(--border);
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

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

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
}

.terminal-button.close { background-color: #ff5f56; }
.terminal-button.minimize { background-color: #ffbd2e; }
.terminal-button.maximize { background-color: #27c93f; }

.terminal-title {
    color: var(--text-secondary);
    font-size: 14px;
    opacity: 0.8;
}

.theme-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.theme-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    transition: all 0.3s ease;
}

.theme-btn:hover {
    background-color: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.theme-btn.active {
    background-color: var(--accent);
    color: var(--bg-primary);
}

.terminal-body {
    padding: 20px;
    min-height: 400px;
}

.command-line {
    display: flex;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.prompt {
    color: var(--accent);
    margin-right: 10px;
    font-weight: bold;
}

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

.output {
    margin-left: 20px;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.cursor {
    display: inline-block;
    width: 10px;
    height: 20px;
    background-color: var(--accent);
    animation: blink 1s infinite;
    margin-left: 5px;
}

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

/* Section Styles */
.section {
    margin-bottom: 30px;
}

.section-title {
    color: var(--accent);
    font-size: 20px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateX(5px);
}

.project-title {
    color: var(--accent);
    font-size: 16px;
    margin-bottom: 8px;
}

.project-desc {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.tech-stack {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tech-tag {
    background-color: var(--accent);
    color: var(--bg-primary);
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
}

.contact-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-link {
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-link:hover {
    text-decoration: underline;
    transform: translateX(5px);
    display: inline-block;
}

.input-line {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

#commandInput {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 16px;
    outline: none;
    flex: 1;
    margin-left: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .terminal-header {
        flex-direction: column;
        gap: 10px;
    }

    .theme-controls {
        width: 100%;
        justify-content: center;
    }

    .terminal-body {
        padding: 15px;
    }

    .theme-btn {
        font-size: 10px;
        padding: 4px 8px;
    }
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.skill-item {
    color: var(--text-secondary);
    padding: 5px 0;
}

.skill-item i {
    color: var(--accent);
    margin-right: 8px;
}