body {
    background: #000;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: 'Courier New', monospace;
    overflow: hidden;
    color: #31f031;
    position: relative;
}

#matrix-canvas {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.login-box {
    position: relative;
    z-index: 10;
    border: 1px solid #31f031;
    background: rgba(5, 5, 5, 0.92);
    box-shadow: 0 0 30px rgba(49, 240, 49, 0.3);
    width: 350px;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.perfil-container {
    width: 90px;
    height: 90px;
    margin: 0 auto 20px;
    border-radius: 50%;
    border: 2px solid #31f031;
    overflow: hidden;
}

.perfil-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

h2 {
    font-size: 18px;
    letter-spacing: 3px;
    margin-bottom: 25px;
}

input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid #1a5c1a;
    color: #31f031;
}

button {
    width: 100%;
    padding: 15px;
    background: #31f031;
    color: #000;
    border: none;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #000;
    color: #31f031;
    box-shadow: 0 0 20px #31f031;
    border: 1px solid #31f031;
}

#mensagem {
    margin-top: 20px;
    font-size: 12px;
    font-weight: bold;
}