:root {
    --bg: #050505;
    --panel-bg: #111111;
    --text: #e0e0e0;
    --accent: #FF6B00; /* Safety Orange */
    --border: #333333;
    --sidebar-width: 260px;
}

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

body {
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* --- SIDEBAR --- */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--panel-bg);
    border-right: 2px solid var(--border);
    position: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 30px 20px;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header h2 {
    color: var(--accent);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.version {
    font-size: 0.7rem;
    color: #666;
    letter-spacing: 2px;
}

.nav-links {
    list-style: none;
    margin-top: 50px;
    flex-grow: 1;
}

.nav-links li {
    margin-bottom: 20px;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 1.1rem;
    display: block;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

.sidebar-footer {
    font-size: 0.8rem;
    color: #666;
}

/* --- MAIN CONTENT --- */
.content {
    margin-left: var(--sidebar-width);
    padding: 50px;
    width: calc(100% - var(--sidebar-width));
    max-width: 1000px;
}

/* Hide mobile header on desktop */
.mobile-header { display: none; }
.nav-toggle { display: none; }

/* --- HEADER & GRAPHIC --- */
.main-header {
    margin-bottom: 50px;
}

.graphic-placeholder {
    background-color: var(--panel-bg);
    border: 1px solid var(--border);
    padding: 20px;
    margin-bottom: 30px;
    overflow: hidden;
    color: var(--accent);
}

.ascii-art {
    font-size: 12px;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.subtitle {
    color: #888;
    font-size: 1.2rem;
}

.divider {
    border: 0;
    border-bottom: 2px dashed var(--border);
    margin: 40px 0;
}

/* --- SECTIONS & CARDS --- */
.panel {
    margin-bottom: 60px;
}

.panel h2 {
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.panel p {
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.project-card {
    background-color: var(--panel-bg);
    border: 1px solid var(--border);
    padding: 30px;
    margin-bottom: 20px;
}

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

.project-header h3 {
    font-size: 1.3rem;
}

.status {
    font-size: 0.8rem;
    background: var(--border);
    padding: 4px 8px;
    color: #aaa;
}

.locked {
    opacity: 0.5;
    filter: grayscale(100%);
}

.highlight-panel {
    border-left: 4px solid var(--accent);
    padding-left: 25px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid var(--text);
    color: var(--text);
    text-decoration: none;
    font-weight: bold;
    margin-top: 15px;
    transition: all 0.2s;
}

.btn:hover {
    background-color: var(--text);
    color: var(--bg);
}

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

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

footer {
    margin-top: 100px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
    color: #666;
    font-size: 0.9rem;
}

/* --- MOBILE RESPONSIVENESS (CSS HACK) --- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%); /* Hide sidebar offscreen */
    }

    /* When the hidden checkbox is checked, slide the sidebar in */
    .nav-toggle:checked ~ .sidebar {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
        width: 100%;
        padding: 20px;
        padding-top: 80px; /* Make room for mobile header */
    }

    .mobile-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: var(--panel-bg);
        border-bottom: 2px solid var(--border);
        padding: 15px 20px;
        z-index: 90;
    }

    .menu-btn {
        color: var(--accent);
        cursor: pointer;
        font-weight: bold;
    }

    .mobile-title {
        color: var(--text);
        font-weight: bold;
    }

    h1 { font-size: 2.2rem; }
    
    .ascii-art { display: none; } /* Hide complex ASCII on tiny screens */
}