:root {
    --bg-color: #0c0c0c;
    --text-color: #e0e0e0;
    --accent-color: #ffffff;
    --dim-color: #666666;
    --font-mono: 'Courier New', Courier, monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    padding: 2rem;
}


.crt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%, 
        rgba(0, 0, 0, 0.25) 50%
    ), linear-gradient(
        90deg, 
        rgba(255, 0, 0, 0.06), 
        rgba(0, 255, 0, 0.02), 
        rgba(0, 0, 255, 0.06)
    );
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
    z-index: 100;
}

.terminal {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}


header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.logo pre {
    font-weight: bold;
    color: var(--accent-color);
    font-size: 0.8rem;
    line-height: 1;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: bold;
    border: 1px solid transparent;
    padding: 0.2rem 0.5rem;
}

.nav-links a:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}


.prompt {
    color: var(--dim-color);
    margin-bottom: 1rem;
    font-weight: bold;
}

.prompt span.typing, .prompt span.cursor {
    color: var(--text-color);
}


.cursor {
    display: inline-block;
    animation: blink 1s step-end infinite;
}

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


section {
    margin-bottom: 4rem;
    border-left: 1px solid var(--dim-color);
    padding-left: 1.5rem;
}

.output {
    color: var(--accent-color);
    margin-left: 1rem;
}


.code-box {
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.code-box code {
    word-break: break-all;
    font-size: 0.9rem;
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    font-family: var(--font-mono);
}

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


.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.card {
    border: 1px solid #333;
    padding: 1rem;
    background: #0f0f0f;
    transition: transform 0.2s;
}

.card:hover {
    border-color: var(--text-color);
    transform: translateY(-2px);
}

.card h3 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: var(--accent-color);
}

.card p {
    font-size: 0.9rem;
    color: #aeaeae;
}


.grid-table {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.row {
    display: grid;
    grid-template-columns: 2fr 1fr 4fr;
    gap: 1rem;
    padding: 0.5rem;
    border-bottom: 1px dashed #333;
}

.row.header {
    font-weight: bold;
    color: var(--dim-color);
    border-bottom: 1px solid var(--dim-color);
}

.col-cmd { color: var(--accent-color); font-weight: bold; }
.col-alias { color: var(--dim-color); }
.col-desc { color: #888; }


.card.planned {
    border-style: dashed;
    opacity: 0.7;
}

.card.planned h3 {
    color: var(--dim-color);
}


.contribute {
    margin-top: 3rem;
    text-align: center;
    border-top: 1px dashed #333;
    padding-top: 2rem;
}

.contribute a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
    border: 1px solid var(--accent-color);
    padding: 0.5rem 1rem;
    margin-left: 1rem;
    transition: all 0.2s;
    display: inline-block;
}

.contribute a:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 10px var(--accent-color);
}


footer {
    margin-top: 4rem;
    border-top: 1px dashed var(--dim-color);
    padding-top: 1rem;
    font-size: 0.8rem;
    color: var(--dim-color);
    display: flex;
    justify-content: space-between;
}


.delayed-reveal {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}


@media (max-width: 600px) {
    header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .nav-links {
        margin-left: 0;
    }
    .nav-links a {
        margin: 0 0.5rem;
    }
    .logo pre {
        font-size: 0.5rem;
    }
}



#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0; 
    opacity: 0.15; 
    pointer-events: none;
}


body.paper-mode {
    --bg-color: #f0f0f0;
    --text-color: #1a1a1a;
    --accent-color: #000000;
    --dim-color: #555555;
    background-color: var(--bg-color);
    color: var(--text-color);
}

body.paper-mode .crt-overlay {
    display: none; 
}

body.paper-mode #matrix-canvas {
    opacity: 0.05; 
}

body.paper-mode .card {
    background: #ffffff;
    border: 1px solid #1a1a1a;
    box-shadow: 4px 4px 0px rgba(0,0,0,0.1);
}

body.paper-mode .code-box {
    background: #ffffff;
    border: 1px solid #1a1a1a;
    color: #1a1a1a;
}
body.paper-mode .copy-btn:hover {
    background: #000;
    color: #fff;
}


.theme-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-family: var(--font-mono);
    z-index: 1000;
    font-weight: bold;
    transition: all 0.3s;
}

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


.terminal-input-area {
    display: flex;
    align-items: center;
    margin-top: 0.5rem;
}

.terminal-prompt {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

#cmd-input {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-family: var(--font-mono);
    font-size: 1rem;
    flex-grow: 1;
    outline: none;
    caret-color: var(--accent-color);
}

.command-output {
    color: var(--dim-color); 
    margin-bottom: 0.5rem;
    white-space: pre-wrap;
}


#toast {
    visibility: hidden;
    min-width: 250px;
    background-color: var(--text-color);
    color: var(--bg-color);
    text-align: center;
    border-radius: 2px;
    padding: 16px;
    position: fixed;
    z-index: 2000;
    right: 30px;
    bottom: 30px;
    font-size: 17px;
    border: 1px solid var(--bg-color);
    font-weight: bold;
}

#toast.show {
    visibility: visible;
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

@-webkit-keyframes fadein {
    from {bottom: 0; opacity: 0;} 
    to {bottom: 30px; opacity: 1;}
}

@keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
}

@-webkit-keyframes fadeout {
    from {bottom: 30px; opacity: 1;} 
    to {bottom: 0; opacity: 0;}
}

@keyframes fadeout {
    from {bottom: 30px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
}


#github-badge {
    color: var(--dim-color);
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: block;
}


.hidden {
    display: none !important;
}

.typing-cursor::after {
    content: '█';
    animation: blink 1s step-end infinite;
    color: var(--accent-color);
    margin-left: 2px;
}


.grid {
    perspective: 1000px;
}

.card {
    border: 1px solid #333;
    padding: 1rem;
    background: #0f0f0f;
    transition: transform 0.1s ease-out; 
    transform-style: preserve-3d;
    will-change: transform;
}


@media (max-width: 600px) {
    .terminal-input-area {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: var(--bg-color);
        padding: 10px;
        border-top: 1px solid var(--dim-color);
        z-index: 999;
    }
    
    
    body {
        padding-bottom: 60px; 
    }
}


@media (prefers-reduced-motion: reduce) {
    .typing-cursor::after,
    #matrix-canvas,
    .delayed-reveal,
    .card {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
    
    
    #matrix-canvas {
        display: none !important;
    }
    
    .delayed-reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}


#sfx-btn {
    right: 11rem; 
}


#start-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 1.5rem;
    color: var(--accent-color);
    text-align: center;
}

#start-overlay .blink {
    animation: blink 1s step-end infinite;
}


body.waiting .terminal, 
body.waiting #matrix-canvas {
    opacity: 0;
}