body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(120deg, #f6f5f2, #f1edec);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container, .dashboard {
    background-color: white;
    padding: 2em;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    max-width: 400px;
    width: 100%;
}

h2 {
    text-align: center;
    margin-bottom: 1em;
    color: #333;
}

.login-form {
    display: flex;
    flex-direction: column;
}

.login-form label {
    margin-bottom: 0.2em;
    color: #444;
    font-weight: bold;
}

.login-form input {
    padding: 0.8em;
    margin-bottom: 1em;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1em;
}

.login-form button {
    background-color: #ff7e5f;
    border: none;
    padding: 0.8em;
    color: white;
    border-radius: 6px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s;
}

.login-form button:hover {
    background-color: #eb6a50;
}

.error {
    color: red;
    text-align: center;
    margin-top: 1em;
}
.btn-regresar {
    display: inline-block;
    margin: 15px 0;
    padding: 10px 20px;
    background-color: #2e86de;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background-color 0.3s;
}
.btn-regresar:hover {
    background-color: #1b4f72;
}