/* CSS Variables */
:root {
    --bg-color: #0a0a0a;
    --terminal-bg: #0d1117;
    --terminal-header: #161b22;
    --text-primary: #00ff00;
    --text-secondary: #00cc00;
    --text-dim: #006600;
    --accent: #00ffaa;
    --link-hover: #00ff88;
    --btn-close: #ff5f56;
    --btn-minimize: #ffbd2e;
    --btn-maximize: #27ca40;
    --border-color: #30363d;
    --glow: rgba(0, 255, 0, 0.3);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Courier New', 'Monaco', 'Consolas', monospace;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-x: hidden;
}

/* Scanline Effect */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1),
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 2px
    );
    opacity: 0.3;
}

/* Terminal Window */
.terminal {
    width: 100%;
    max-width: 800px;
    background-color: var(--terminal-bg);
    border-radius: 10px;
    box-shadow:
        0 0 30px var(--glow),
        0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    overflow: hidden;
    animation: flicker 0.15s infinite;
}

@keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.98; }
}

/* Terminal Header */
.terminal-header {
    background-color: var(--terminal-header);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

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

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.btn-close { background-color: var(--btn-close); }
.btn-minimize { background-color: var(--btn-minimize); }
.btn-maximize { background-color: var(--btn-maximize); }

.terminal-title {
    flex: 1;
    text-align: center;
    color: #8b949e;
    font-size: 0.85rem;
    margin-right: 60px;
}

/* Terminal Body */
.terminal-body {
    padding: 24px;
    min-height: 400px;
}

.output {
    line-height: 1.8;
}

/* ASCII Art */
.ascii-art {
    color: var(--text-secondary);
    font-size: 0.65rem;
    line-height: 1.2;
    margin-bottom: 30px;
    text-shadow: 0 0 10px var(--glow);
    overflow-x: auto;
}

@media (min-width: 600px) {
    .ascii-art {
        font-size: 0.85rem;
    }
}

/* Prompt & Commands */
.prompt {
    color: var(--accent);
    font-weight: bold;
}

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

.response {
    color: #c9d1d9;
    padding-left: 20px;
    margin-bottom: 16px;
}

.intro-line {
    margin-bottom: 8px;
}

/* Cursor */
.cursor {
    color: var(--text-primary);
    animation: blink 1s step-end infinite;
}

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

.cursor-line {
    margin-top: 20px;
}

/* Links */
.links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 20px;
    margin-bottom: 16px;
}

.link-item {
    color: var(--text-primary);
    text-decoration: none;
    padding: 8px 12px;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
}

.link-item:hover {
    color: var(--link-hover);
    border-color: var(--link-hover);
    background-color: rgba(0, 255, 136, 0.05);
    text-shadow: 0 0 8px var(--glow);
    transform: translateX(5px);
}

.link-icon {
    color: var(--accent);
}

/* Typing effect */
.typing::after {
    content: '▋';
    animation: blink 1s step-end infinite;
}

.typing.done::after {
    display: none;
}

/* Selection */
::selection {
    background-color: var(--text-primary);
    color: var(--bg-color);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--terminal-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

/* Responsive */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .terminal-body {
        padding: 16px;
    }

    .ascii-art {
        font-size: 0.5rem;
    }

    .response {
        padding-left: 10px;
    }

    .links {
        padding-left: 10px;
    }
}