* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #e8f4f2; /* Un tono menta muy suave y relajante */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

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

.login-header h2 {
    color: #2c524b; /* Verde oscuro elegante */
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: #5da295; /* Resalta en verde suave al escribir */
}

.btn-login {
    width: 100%;
    padding: 12px;
    background-color: #5da295;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-login:hover {
    background-color: #4a8277;
}

.error-oculto {
    display: none;
    color: #d9534f;
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
}