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

body {
    background-color: #000;
    color: #00ff41;
    font-family: 'Courier New', Courier, monospace;
    overflow: hidden;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 800px;
    padding: 20px;
}

.terminal {
    background-color: #001100;
    border: 2px solid #00ff41;
    border-radius: 8px;
    box-shadow: 0 0 20px #00ff41;
    animation: terminalGlow 2s ease-in-out infinite alternate;
}

@keyframes terminalGlow {
    from {
        box-shadow: 0 0 20px #00ff41;
    }
    to {
        box-shadow: 0 0 30px #00ff41, 0 0 40px #00ff41;
    }
}

.terminal-header {
    background-color: #003300;
    padding: 10px 15px;
    border-bottom: 1px solid #00ff41;
    font-size: 12px;
    text-align: center;
}

.terminal-title {
    color: #00ff41;
    font-weight: bold;
}

.terminal-content {
    padding: 20px;
    line-height: 1.6;
}

.prompt-line {
    margin-bottom: 10px;
}

.prompt {
    color: #00cc33;
    margin-right: 5px;
}

.command {
    color: #ffffff;
    animation: typewriter 2s steps(7) 1s both;
}

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.output {
    margin: 20px 0;
    padding-left: 20px;
}

.main-message {
    font-size: 24px;
    color: #00ff41;
    text-shadow: 0 0 10px #00ff41;
    margin-bottom: 15px;
    animation: fadeIn 3s ease-in-out 2s both;
}

.sub-message {
    font-size: 16px;
    color: #00cc33;
    font-style: italic;
    animation: fadeIn 3s ease-in-out 3s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.cursor {
    color: #00ff41;
    font-weight: bold;
    animation: blink 1s infinite;
}

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

.easter-egg {
    margin-top: 30px;
    padding: 15px;
    border-left: 3px solid #ff6600;
    background-color: #110400;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-in-out;
}

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

.easter-egg p {
    color: #ff6600;
    font-size: 14px;
    margin-bottom: 5px;
    text-shadow: 0 0 5px #ff6600;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .main-message {
        font-size: 20px;
    }
    
    .sub-message {
        font-size: 14px;
    }
    
    .terminal-content {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .main-message {
        font-size: 18px;
    }
    
    .sub-message {
        font-size: 12px;
    }
}