/* Reset básico e configuração de fontes */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    background: linear-gradient(to top, #0072ff, #00c6ff);
    overflow: hidden;
}

/* Estilo do container de login */
.login-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255,255,255,0.95);
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 400px;
    z-index: 2;
    text-align: center;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
}
.login-container .logo {
    margin-bottom: 20px;
}
.login-container .logo img {
    width: 150px;
    height: auto;
}
.login-container h2 {
    margin-bottom: 20px;
    color: #0072ff;
}
.login-container form input[type="text"],
.login-container form input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.login-container form button {
    width: 100%;
    padding: 10px;
    background: #0072ff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}
.login-container form button:hover {
    background: #005bb5;
}
.erro {
    color: red;
    margin-bottom: 10px;
}

/* Container das ondas */
.wave-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 20vh;
    overflow: hidden;
    z-index: 1;
}

/* Estilo de cada onda */
.wave {
    position: absolute;
    bottom: 0;
    width: 200%;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 45%;
    animation: wave-animation 10s linear infinite;
}
.wave.wave2 {
    background: rgba(255, 255, 255, 0.3);
    animation-duration: 15s;
    bottom: -10px;
}
@keyframes wave-animation {
    0% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(-25%) translateY(-10px);
    }
    100% {
        transform: translateX(-50%) translateY(0);
    }
}