body {
    margin: 0;
    padding: 0;
    font-family: 'Courier New', monospace;
    background-color: #0a0a0a;
    color: #00ff00;
}

.sci-fi-terminal {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.terminal-icon {
    width: 24px;
    height: 24px;
    margin-right: 10px;
    background-color: #00ff00;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='4 17 10 11 4 5'%3E%3C/polyline%3E%3Cline x1='12' y1='19' x2='20' y2='19'%3E%3C/line%3E%3C/svg%3E");
    mask-size: cover;
}

h1 {
    font-size: 24px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

main {
    flex-grow: 1;
    display: flex;
    gap: 20px;
}

nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-button {
    background-color: #1a1a1a;
    border: 1px solid #00ff00;
    color: #00ff00;
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-button:hover, .nav-button.active {
    background-color: #00ff00;
    color: #0a0a0a;
}

.icon {
    width: 20px;
    height: 20px;
    background-color: currentColor;
    mask-size: cover;
}

.user-icon {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'%3E%3C/path%3E%3Ccircle cx='12' cy='7' r='4'%3E%3C/circle%3E%3C/svg%3E");
}

.code-icon {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='16 18 22 12 16 6'%3E%3C/polyline%3E%3Cpolyline points='8 6 2 12 8 18'%3E%3C/polyline%3E%3C/svg%3E");
}

.briefcase-icon {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='7' width='20' height='14' rx='2' ry='2'%3E%3C/rect%3E%3Cpath d='M16 21V5a2 2 0 0 0-2-2h-4a2 2 0 0 0-2 2v16'%3E%3C/path%3E%3C/svg%3E");
}

.mail-icon {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'%3E%3C/path%3E%3Cpolyline points='22,6 12,13 2,6'%3E%3C/polyline%3E%3C/svg%3E");
}

.content-panel {
    flex-grow: 1;
    border: 1px solid #00ff00;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.content-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 0, 0.1) 2px,
        rgba(0, 255, 0, 0.1) 4px
    );
    animation: scan 10s linear infinite;
}

@keyframes scan {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(50%);
    }
}

.panel-content {
    position: relative;
    z-index: 1;
    display: none;
}

.panel-content.active {
    display: block;
}

h2 {
    font-size: 20px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    margin-bottom: 10px;
}

footer {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
}

@media (max-width: 768px) {
    main {
        flex-direction: column;
    }

    nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 10px;
    }

    .nav-button {
        flex: 0 0 auto;
    }
}