:root {
    --primary: #00ff41; /* Matrix Green */
    --bg: #0a0a0a;
    --card: #1a1a1a;
}

body {
    background-color: var(--bg);
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    overflow-x: hidden;
}

.container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle, #003300 0%, #0a0a0a 100%);
}

.login-box {
    background: var(--card);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 0 20px var(--primary);
    border: 1px solid var(--primary);
}

.logo { width: 100px; margin-bottom: 10px; }

input, textarea {
    display: block; width: 100%; margin: 10px 0;
    padding: 10px; background: #000; border: 1px solid var(--primary);
    color: var(--primary); border-radius: 5px;
}

button {
    background: var(--primary); color: black; border: none;
    padding: 10px 20px; font-weight: bold; cursor: pointer;
    border-radius: 5px; transition: 0.3s;
}

button:hover { transform: scale(1.05); box-shadow: 0 0 10px var(--primary); }

.hidden { display: none !important; }

.navbar {
    display: flex; justify-content: space-around; padding: 15px;
    background: #000; border-bottom: 2px solid var(--primary);
}

.content-section { padding: 50px; text-align: center; }

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}
.animate-pulse { animation: pulse 2s infinite; }