body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121214; /* Fundo escuro */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    background-color: #202024; /* Card cinza escuro */
    padding: 40px;
    border-radius: 8px;
    width: 100%;
    max-width: 360px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-top: 4px solid #00adb5; /* Linha azul piscina marcante */
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: #00adb5;
    margin: 0 0 5px 0;
    font-size: 30px;
}

.login-header p {
    color: #7c7c8a;
    margin: 0;
    font-size: 14px;
}

.input-grupo {
    margin-bottom: 20px;
}

.input-grupo label {
    display: block;
    color: #e1e1e6;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
}

.input-grupo input {
    width: 100%;
    padding: 12px;
    background-color: #121214;
    border: 1px solid #29292e;
    border-radius: 4px;
    color: #fff;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.input-grupo input:focus {
    border-color: #00adb5;
    outline: none;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background-color: #00adb5;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-login:hover {
    background-color: #008f96;
}