/* Reset básico */
* { box-sizing: border-box; margin: 0; padding: 0; font-family: Arial, sans-serif; }

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #4b6cb7, #182848);
    color: #333;
}

.login-container {
    background: #fff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.login-container img {
    width: 180px;
    margin-bottom: 25px;
}

.login-container h2 {
    margin-bottom: 30px;
    color: #182848;
    font-size: 1.8em;
}

.login-container input[type="email"],
.login-container input[type="password"] {
    width: 100%;
    padding: 14px 15px;
    margin: 10px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 1em;
}

.login-container button {
    width: 100%;
    padding: 14px;
    margin-top: 20px;
    background: #4b6cb7;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s;
}

.login-container button:hover {
    background: #3a539b;
}

.error {
    color: red;
    margin-top: 15px;
    font-size: 0.95em;
}