body {
    background-color: #050505;
    color: #00ff41;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

.overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: repeating-linear-gradient(0deg, rgba(0,0,0,0.1), rgba(0,0,0,0.1) 1px, transparent 1px, transparent 2px);
    pointer-events: none;
}

.container {
    text-align: center;
    z-index: 1;
}

h1 {
    font-size: 3rem;
    letter-spacing: 15px;
    text-shadow: 0 0 10px #00ff41;
    margin-bottom: 30px;
}

.login-box input {
    display: block;
    width: 250px;
    padding: 10px;
    margin: 10px auto;
    background: #111;
    border: 1px solid #00ff41;
    color: #00ff41;
    outline: none;
}

button {
    background: transparent;
    color: #00ff41;
    border: 1px solid #00ff41;
    padding: 10px 30px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

button:hover {
    background: #00ff41;
    color: #000;
    box-shadow: 0 0 20px #00ff41;
}

#error-msg {
    color: red;
    margin-top: 10px;
    font-size: 0.8rem;
}

.welcome-text {
    opacity: 0;
    animation: fadeIn 2s forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

h1 {
    position: relative;
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0% { text-shadow: 2px 0 red, -2px 0 blue; }
    2% { text-shadow: 5px 0 red, -5px 0 blue; }
    4% { text-shadow: 2px 0 red, -2px 0 blue; }
    100% { text-shadow: 2px 0 red, -2px 0 blue; }
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(5px); }
    50% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
    100% { transform: translateX(0); }
}

img {
    max-width: 45%;
    height: auto;
    border: 2px solid #00ff41;
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.3);
    margin: 20px auto;
    display: block;
}